Bjørn-Ove Fimland

Publications

2021

Liudi Mulyo, Andreas; Mukherjee, Anjan; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Nilsen, Tron Arne; Toftevaag, Håvard Hem; Vullum, Per Erik; Kishino, Katsumi; Weman, Helge; Fimland, Bjørn-Ove. (2021) Graphene-Based Transparent Conducting Substrates for GaN/AlGaN Nanocolumn Flip-Chip Ultraviolet Light-Emitting Diodes. ACS Applied Nano Materials. volum 4 (9).
Academic article
Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn-Ove; Weman, Helge. (2021) GaAs/AlGaAs Nanowire Array Solar Cell Grown on Si with Ultrahigh Power-per-Weight Ratio. ACS Photonics. volum 8 (8).
Academic article
Vatanparast, Maryam; Shao, Yu-Tsun; Rajpalke, Mohana; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi; Vullum, Per Erik; Zuo, Jian Min. (2021) Detecting minute amounts of nitrogen in GaNAs thin films using STEM and CBED. Ultramicroscopy.
Academic article

2020

Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2020) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Scientific Reports. volum 10 (853).
Academic article

2019

Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Kim, Dong Chul; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2019) GaN/AlGaN nanocolumn ultraviolet light-emitting diode using double-Layer graphene as substrate and transparent electrode. Nano Letters. volum 19 (3).
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove; Kishino, Katsumi. (2019) Erratum: Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer (Nanotechnology 30 015604). Nanotechnology. volum 30 (4).
Errata
Mukherjee, Anjan; Yun, Hoyeol; Shin, Dong Hoon; Nam, Jungtae; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Kim, Keun Soo; Lee, Sang Wook; Kim, Dong Chul. (2019) Single GaAs Nanowire/Graphene Hybrid Devices Fabricated by a Position-Controlled Microtransfer and an Imprinting Technique for an Embedded Structure. ACS Applied Materials & Interfaces. volum 11 (14).
Academic article
Ren, Dingding; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2019) Epitaxially grown III-arsenide-antimonide nanowires for optoelectronic applications. Nanotechnology. volum 30 (29).
Academic article

2018

Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove; Kishino, Katsumi. (2018) Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer. Nanotechnology. volum 30:049601.
Academic article
Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2018) Using FIB-SEM as a Platform for the Positioning and Correlated Characterization of III-V Nanowires. Microscopy and Microanalysis. volum 24.
Academic article
Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, Jianfeng; Gustafsson, Anders; Huh, Junghwan; Conibeer, Gavin J.; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2018) Single-mode near-infrared lasing in a GaAsSb-based nanowire superlattice at room temperature. Nano Letters. volum 18 (4).
Academic article

2017

Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2017) Determination of GaAs zinc blende/wurtzite band offsets utilizing GaAs nanowires with an axial GaAsSb insert. Journal of Applied Physics. volum 122 (24).
Academic article
Liudi Mulyo, Andreas; Konno, Yuta; Nilsen, Julie Stene; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy. Journal of Crystal Growth. volum 480.
Academic article
Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Evaluating focused ion beam patterning for position-controlled nanowire growth using computer vision. Journal of Physics: Conference Series (JPCS). volum 902 (1).
Academic article
Patra, Saroj Kumar; Tran, Thanh-Nam; Vines, Lasse; Kolevatov, Ilia; Monakhov, Edouard; Fimland, Bjørn-Ove. (2017) Dopant incorporation in Al0.9Ga0.1As0.06Sb0.94 grown by molecular beam epitaxy. Journal of Crystal Growth. volum 463.
Academic article
Vullum, Per Erik; Nord, Magnus Kristofer; Vatanparast, Maryam; Thomassen, Sedsel Fretheim; Boothroyd, Chris; Holmestad, Randi; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2017) Quantitative strain analysis of InAs/GaAs quantum dot materials. Scientific Reports. volum 7.
Academic article

2016

Ahtapodov, Lyubomir; Munshi, Abdul Mazid; Nilsen, Julie Stene; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2016) Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires. Nanotechnology. volum 27 (44).
Academic article
Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In situ electronic probing of semiconducting nanowires in an electron microscope. Journal of Microscopy. volum 262 (2).
Academic article
Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Ducati, Caterina; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In situ heat-induced replacement of GaAs Nanowires with Au. Nano Letters. volum 16 (5).
Academic article
Huh, Junghwan; KIM, DONG CHUL; Munshi, A Mazid; Dheeraj, D.L.; Jang, Doyoung; Kim, Gyu-Tae; Fimland, Bjørn-Ove; Weman, Helge. (2016) Low frequency noise in single GaAsSb nanowires with self-induced compositional gradients. Nanotechnology. volum 27 (38).
Academic article
Ren, Dingding; Dheeraj, D.L.; Jin, Chengjun; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F; Mazid, A. M.; Gustafsson, Anders; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2016) New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays. Nano Letters. volum 16 (2).
Academic article
Ren, Dingding; Huh, Junghwan; Dheeraj, D.L.; Weman, Helge; Fimland, Bjørn-Ove. (2016) Influence of Pitch on the Morphology and Luminescence Properties of Self-Catalyzed GaAsSb Nanowire Arrays. Applied Physics Letters. volum 109.
Academic article
Ren, Dingding; Høiaas, Ida Marie; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; KIM, DONG CHUL; Weman, Helge; Fimland, Bjørn-Ove. (2016) Growth optimization for self-catalyzed GaAs-based nanowires on metal-induced crystallized amorphous substrate. Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. volum 34 (2).
Academic article
Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2016) Aluminum-based contacts for use in GaSb-based diode lasers. Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. volum 34 (6).
Academic article

2015

Bruhn, Thomas; Fimland, Bjørn-Ove; Vogt, Patrick. (2015) Electrophilic surface sites as precondition for the chemisorption of pyrrole on GaAs(001) surfaces. Journal of Chemical Physics. volum 142 (10).
Academic article
Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne; Van Helvoort, Antonius; Lee, S.W.; Fimland, Bjørn-Ove; Weman, Helge. (2015) Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients. Nano Letters. volum 15 (6).
Academic article
Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2015) Radial composition variations in the shells of GaAs/AlGaAs core-shell nanowires. Journal of Physics: Conference Series (JPCS). volum 644:012007.
Academic article
Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2015) Plasma-assisted oxide removal from p-type GaSb for low resistivity ohmic contacts. Journal of Vacuum Science & Technology B. volum 33:061220 (6).
Academic article

2014

Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2014) In-situ electrical and structural characterization of individual GaAs nanowires. Journal of Physics: Conference Series (JPCS). volum 522.
Academic article
Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Muller, K.; Rosenauer, A.; Van Helvoort, Antonius. (2014) Erratum: Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires (Journal of Applied Physics (2014)116 (144303)). Journal of Applied Physics. volum 116 (23).
Errata
Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Rosenauer, Andreas; Van Helvoort, Antonius. (2014) Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires. Journal of Applied Physics. volum 116 (14).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F; Ahtapodov, Lyubomir; Lee, K. D.; Heidari, B.; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2014) Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography. Nano Letters. volum 14 (2).
Academic article
Tran, Thanh-Nam; Breivik, Magnus; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2014) High precision AlGaAsSb ridge-waveguide etching by in situ reflectance monitored ICP-RIE. Proceedings of SPIE, the International Society for Optical Engineering. volum 9134.
Academic article

2013

Breivik, Magnus; Nilsen, Tron Arne; Fimland, Bjørn-Ove. (2013) Temperature dependent lattice constant of InSb above room temperature. Journal of Crystal Growth. volum 381.
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2013) STM analysis of defects at the GaAs(001)-c(4x4) surface. Surface Science. volum 617.
Academic article
Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Christoffersen, Ole Morten; KIM, DONG CHUL; Signorello, Giovanni; Riel, H; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. Journal of Crystal Growth. volum 378.
Academic article
Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Scheffler, Martha; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. Nanotechnology. volum 24 (1).
Academic article
Ghalamestani, Sepideh Gorji; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Dick, Kimberly A. (2013) Self-catalyzed MBE grown GaAs/GaAsxSb1-x core-shell nanowires in ZB and WZ crystal structures. Nanotechnology. volum 24 (40).
Academic article
Kauko, Hanne; Zheng, C.L; Zhu, Y; Glanvill, S; Dwyer, Christian; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Etheridge, Joanne. (2013) Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy. Applied Physics Letters. volum 103 (23).
Academic article
KIM, DONG CHUL; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2013) Polarization dependent photocurrent spectroscopy of single wurtzite GaAs/AlGaAs core-shell nanowires. Applied Physics Letters. volum 102 (14:142107).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si(111). Journal of Crystal Growth. volum 372.
Academic article
Todorovic, Jelena; Kauko, Hanne; Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2013) The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires. Semiconductor Science and Technology. volum 28 (11).
Academic article

2012

Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs. Nano Letters. volum 12 (12).
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2012) Pyrrole adsorption on GaAs(001)-c(4x4): The role of surface defects. Physical Review B. Condensed Matter and Materials Physics. volum 85 (7).
Academic article
Crowley, Mark T.; Patel, Nishant; Saiz, T. A.; El Emawy, M.; Nilsen, Tron Arne; Naderi, N. A.; Mukherjee, Sayan D.; Fimland, Bjørn-Ove; Lester, Luke F.. (2012) Modelling the spectral emission of multi-section quantum dot superluminescent light-emitting diodes. Semiconductor Science and Technology. volum 27 (6).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth. Nano Letters. volum 12 (9).
Academic article
Murrell, David; Crowley, Mark T.; Breivik, Magnus; Raghunathan, R.; Aboketaf, A.; Elshaari, A.; Preble, S. F.; Fimland, Bjørn-Ove; Lester, Luke F.. (2012) Design of Uncooled High-Bandwidth Ultra-Low Energy per Bit Quantum Dot Laser Transmitters for Chip to Chip Optical Interconnects. 2012 IEEE Optical Interconnects Conference.
Academic chapter/article/Conference paper

2011

Crowley, Mark Thomas; Murrell, David; Patel, Nishant; Breivik, Magnus; Lin, Chang-Yi; Li, Yan; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) Analytical Modeling of the Temperature Performance of Monolithic Passively Mode-Locked Quantum Dot Lasers. IEEE Journal of Quantum Electronics. volum 47 (8).
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photoluminescence Polarization Anisotropy in a Single Heterostructured III-V Nanowire with Mixed Crystal Phases. AIP Conference Proceedings. volum 1399.
Academic article
Bruhn, Thomas; Ewald, Marcel; Fimland, Bjørn-Ove; Kneissl, Michael; Esser, Norbert; Vogt, Patrick. (2011) In-situ optical spectroscopy and electronic properties of pyrrole sub-monolayers on Ga-rich GaAs(001). Journal of nanoparticle research. volum 13 (11).
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Kneissl, Michael; Esser, Norbert; Vogt, Patrick. (2011) Adsorbate-induced modification of the surface electronic structure at GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 83 (4).
Academic article
Crowley, Mark T.; Murrell, David; Patel, Nishant; Breivik, Magnus; Lin, C.-Y.; Li, Yan; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) Modeling the temperature performance of monolithic passively mode-locked quantum dot lasers. Proceedings of SPIE, the International Society for Optical Engineering. volum 7933.
Academic article
DONG CHUL, KIM; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J. W.; Ji, H; Kim, G. T.; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. AIP Conference Proceedings. volum 1399.
Academic article
Li, Yan; Breivik, Magnus; Feng, Cheng-Yong; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) A Low Repetition Rate All-Active Monolithic Passively Mode-Locked Quantum-Dot Laser. IEEE Photonics Technology Letters. volum 23 (14).
Academic article
Nilsen, Tron Arne; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2011) Thermal dependence of the lattice constant and the Poisson ratio of AlSb above room temperature. Journal of Crystal Growth. volum 336 (1).
Academic article
Riele, Linda; Bruhn, Thomas; Rackwitz, Vanessa; Passmann, Regina; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2011) Reconstruction dependent growth of lead phthalocyanine layers on GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 84 (20).
Academic article
Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2011) InAs/GaAs quantum dot density variation across a quarter wafer when grown with substrate rotation. Journal of Crystal Growth. volum 323 (1).
Academic article
Todorovic, Jelena; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Olk, Phillip; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Correlated micro-photoluminescence and electron microscopy study of a heterostructured semiconductor nanowire. Journal of Physics: Conference Series (JPCS). volum 326.
Academic article
Todorovic, Jelena; Anthonysamy, Fervin Moses; Karlberg, Thomas Andre; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires. Nanotechnology. volum 22 (32).
Academic article

2010

Breivik, Magnus; Nilsen, Tron Arne; Myrvågnes, Geir; Selvig, Espen; Fimland, Bjørn-Ove. (2010) Temperature dependent lattice constant of Al0.90Ga0.10AsySb1-y. Journal of Vacuum Science & Technology B. volum 28 (3).
Academic article
Bruhn, T; Passmann, R; Fimland, Bjørn-Ove; Kneissl, M; Esser, N; Vogt, P. (2010) Adsorbate-induced modification of the surface electric field of GaAs (001)-c(4 x 4) measured via the linear electro-optic effect. Physica status solidi (b). volum 247 (8).
Academic article
Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Growth of heterostructured III-V nanowires by molecular beam epitaxy for photonic applications. Proceedings of SPIE, the International Society for Optical Engineering. volum 7608.
Academic article
Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Heterostructured III-V Nanowires with Mixed Crystal Phases Grown by Au-assisted Molecular Beam Epitaxy. Nanowires.
Academic chapter/article/Conference paper
Hoang, Thang Ba; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control. Nano Letters. volum 10 (8).
Academic article
Nilsen, Tron Arne; Breivik, Magnus; Myrvågnes, Geir; Fimland, Bjørn-Ove. (2010) Thermal expansion of GaSb measured by temperature dependent x-ray diffraction. Journal of Vacuum Science & Technology B. volum 28 (3).
Academic article
Van Helvoort, Antonius; Dasa, Lakshmi Narayana; Zhou, Hailong; Grønsberg, Sondre; Patriarche, G; Fimland, Bjørn-Ove; Weman, Helge. (2010) Dark field transmission electron microscopy techniques for structural characterization of nanowire heterostructures. Journal of Physics: Conference Series (JPCS). volum 241.
Academic article
Zhou, Dayong; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2010) Optimization towards high density quantum dots for intermediate band solar cells grown by molecular beam epitaxy. Applied Physics Letters. volum 96 (6).
Academic article
Zhou, Dayong; Vullum, Per Erik; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Holmestad, Randi; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2010) Positioning effects on quantum dot solar cells grown by molecular beam epitaxy. Applied Physics Letters. volum 96 (8).
Academic article

2009

Nilsen, Tron Arne; Breivik, Magnus; Selvig, Espen; Fimland, Bjørn-Ove. (2009) Critical thickness of MBE-grown Ga1-xInxSb (x < 0.2) on GaSb. Journal of Crystal Growth. volum 311 (7).
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa Lakshmi Narayana, Dheeraj; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. IOP Conference Series: Earth and Environmental Science (EES). volum 6:012001.
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. Journal of Physics: Conference Series (JPCS).
Academic article
Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Harmand, J.C.; Weman, Helge; Fimland, Bjørn-Ove. (2009) Growth and structural characterization of GaAs/GaAsSb axial heterostructured nanowires. Journal of Crystal Growth. volum 311 (7).
Academic article
Gründer, Y; Renner, FU; Lee, T-L; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Zegenhagen, J.. (2009) The electrodeposition of copper onto UHV-prepared GaAs(001) surfaces. Surface Science. volum 603 (17).
Academic article
Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge. (2009) Observation of free exciton photoluminescence emission from single wurtzite GaAs nanowires. Applied Physics Letters. volum 94 (13).
Academic article
Hoang, Thang Ba; Zhou, Hailong; Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Optical properties of single wurtzite GaAs nanowiresand GaAs nanowires with GaAsSb inserts. Materials Research Society Symposium Proceedings. volum 1144.
Academic article
Passmann, R.; Bruhn, T.; Fimland, Bjørn-Ove; Richter, W.; Kneissl, M.; Esser, N.; Vogt, P.. (2009) Adsorption of Cyclopentene on GaAs(001) and InP(001), a Comparative Study by Synchrotron-based Core Level Spectroscopy. SYNCHROTRON RADIATION AND NANOSTRUCTURES Papers in Honour of Paolo Perfetti Proceedings of the Workshop CNR, Roma, Italy, 21 November 2008.
Academic chapter/article/Conference paper
Passmann, R.; Bruhn, T.; Nilsen, Tron Arne; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) Adsorption configurations of hydrocarbon ring molecules on GaAs(001)-c(4x4). Physica status solidi (b). volum 246 (7).
Academic article
Weman, Helge; Palmgren, S.; Karlsson, F.K.; Rudra, A.; Kapon, E.; Dheeraj, D.L.; Fimland, Bjørn-Ove; Harmand, J.C.. (2009) Semiconductor quantum-wires and nano-wires for optoelectronic applications. Journal of materials science. Materials in electronics. volum 20.
Academic article
Zhou, Hailong; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Liu, L; Harmand, J.C.; Fimland, Bjørn-Ove; Weman, Helge. (2009) Wurtzite GaAs/AlGaAs core-shell nanowires grown by molecular beam epitaxy. Nanotechnology. volum 20 (41).
Academic article

2008

Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Grønsberg, Sondre; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2008) Growth and characterization of GaAs nanowires with defect-free zinc blende GaAsSb inserts. Nano Letters. volum 8 (12).
Academic article
Dasa, Lakshmi Narayana; Patriarche, G; Largeau, L; Zhou, Hailong; Van Helvoort, Antonius; Glas, F; Harmand, JC; Fimland, Bjørn-Ove; Weman, Helge. (2008) Zinc blende GaAsSb nanowires grown by molecular beam epitaxy. Nanotechnology. volum 19.
Academic article

2007

Passmann, R; Kropp, M; Bruhn, T; Fimland, Bjørn-Ove; Bloom, FL; Gossard, AC; Richter, W.; Esser, N.; Vogt, P. (2007) Optical anisotropy of cyclopentene terminated GaAs(001) surfaces. Applied Physics A: Materials Science & Processing. volum 87.
Academic article
Zegenhagen, J.; Lee, T-L; Gründer, Y; Renner, FU; Fimland, Bjørn-Ove. (2007) The Adsorption and Growth of Copper on As-Terminated GaAs(001): Physical Vapour versus Electrochemical Deposition. Zeitschrift für Physikalische Chemie. volum 221 (9-10).
Academic article

2006

Bugge, Renato; Fimland, Bjørn-Ove. (2006) Annealing effects in InGaAsSb quantum wells with pentenary AlInGaAsSb barriers. Physica scripta. Topical Issues. volum 126.
Academic article
Nilsen, Tron Arne; Martinez, Anthony; Bugge, Renato; Moscho, Aaron; Lester, Luke; Fimland, Bjørn-Ove. (2006) High aspect ratio etching of GaSb/AlGaAsSb for photonic crystals. High aspect ratio etching of GaSb/AlGaAsSb for photonic cystals.
Academic chapter/article/Conference paper
Selvig, Espen; Myrvågnes, Geir; Bugge, Renato; Haakenaasen, R.; Fimland, Bjørn-Ove. (2006) The effect of growth interruptions at the interfaces in epitaxially grown GaInAsSb/AlGaAsSb multiple-quantum-wells studied with high-resolution x-ray diffraction and photoluminescence. Physica scripta. Topical Issues. volum 126.
Academic article
Buell, David A.; Feezell, Daniel; Fimland, Bjørn-Ove; Coldren, Larry. (2006) Molecular beam epitaxy of InP-based alloys for long-wavelength vertical cavity lasers. Journal of Vacuum Science & Technology B. volum 24.
Academic article

2005

Bugge, Renato; Fimland, Bjørn-Ove. (2005) A novel tunable wet etched mid-IR pentenary AlInGaAsSb junction laser at 2.34-2.44 um. IEEE Device Research Conference Digest, 2005. DRC'05. 63rd.. volum 1.
Abstract
Bugge, Renato; Fimland, Bjørn-Ove. (2005) Diffusion from InGaAsSb quantum wells with pentenary AlInGaAsSb barriers. 21st Nordic Semiconductor Meeting Program and Abstract book.
Abstract
Goletti, C.; Emiliani, V; Schintke, S.; Frisch, A.M.; Esser, N.; Fimland, Bjørn-Ove. (2005) Detection of surface states anisotropies at GaAs(001)(2x4) decapped surfaces. Physica status solidi (b). volum 242 (13).
Academic article
Selvig, Espen; Fimland, Bjørn-Ove. (2005) The effect of growth interruptions at the interfaces in epitaxially grown GaInAsSb/AlGaAsSb multiple-quantum-wells studied with high-resolution x-ray diffraction. 21st Nordic Semiconductor Meeting Program and Abstract book.
Abstract

2004

Fimland, Bjørn-Ove. (2004) In situ X-ray analysis of solid/electrolyte interfaces: electrodeposition of Cu and Co on Si(111):H and GaAs(001) and corrosion of Cu3Au(111). Surface Science. volum 573.
Academic article
Selvig, Espen; Fimland, Bjørn-Ove. (2004) Enhanced photoluminescence from GaAsSb quantum wells. Applied Physics Letters. volum 85 (23).
Academic article
Ludge, K; Vogt, P; Richter, W; Fimland, Bjørn-Ove; Braun, W; Esser, N. (2004) Metallic nanostructures on Co/GaAs(001)(4x2) surfaces. Journal of Vacuum Science & Technology B. volum 22.
Academic article

2003

Esser, Norbert; Frisch, Anna Maria; Röseler, Arnulf; Schintke, Silvia; Goletti, Claudio; Fimland, Bjørn-Ove. (2003) Optical resonances of indium islands on GaAs(001) observed by reflectance anisotropy spectroscopy. Physical Review B. Condensed Matter and Materials Physics. volum 67.
Academic article

2002

Emiliani, V; Frisch, A. M.; Goletti, C.; Esser, Norbert; Richter, Wolfgang; Fimland, Bjørn-Ove. (2002) Ge growth on GaAs(001) surfaces studied by reflectance anisotropy spectroscopy. Physical Review B. Condensed Matter and Materials Physics. volum 66.
Academic article
Lee, T.-L.; Kumpf, C; Kazimirov, A.; Lyman, P. F.; Scherb, G.; Bedzyk, M. J.; Nielsen, M.; Feidenhansl, R.; Johnson, R. L.; Fimland, Bjørn-Ove; Zegenhagen, Jörg. (2002) Structural analysis of the indium-stabilized GaAs(001)-c(8x2) surface. Physical Review B. Condensed Matter and Materials Physics. volum 66.
Academic article

2001

Esser, N.; Schmidt, W. G.; Cobet, C.; Fleischer, K.; Shkrebtii, A. I.; Fimland, Bjørn-Ove; Richter, W.. (2001) Atomic structure and optical anisotropy of III-V(001) surfaces. Journal of Vacuum Science & Technology B. volum 19 (5).
Academic article
Kumpf, C.; Smilgies, D.; Landemark, E.; Nielsen, M.; Feidenhansl, R.; Bunk, O.; Zeysing, J. H.; Su, Y.; Johnson, R. L.; Cao, L.; Zegenhagen, J.; Fimland, Bjørn-Ove; Marks, L. D.; Ellis, D.. (2001) Structure of metal-rich (001) surfaces of III-V compound semiconductores. Physical Review B. Condensed Matter and Materials Physics. volum 64.
Academic article
Selvig, Espen; Fimland, Bjørn-Ove; Skauli, Torbjørn; Haakenaasen, Randi. (2001) Calibration of the arsenic mole fraction in MBE grown GaAs(y)Sb(1-y) and Al(x)Ga(1-x)As(y)Sb(1-y). Journal of Crystal Growth. volum 227-228.
Academic article

2000

Goletti, C.; Springer, C.; Resch-Esser, U.; Esser, N.; Richter, W.; Fimland, Bjørn-Ove. (2000) Optical characterization of indium-terminated GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 61 (3).
Academic article
Pelzel, R.I.; Nosho, B.Z.; Fimland, Bjørn-Ove; Weinberg, W.H.. (2000) Adsorption of [(/sup t/Bu)GaS]/sub4/ on the GaAs(001)-(4x2) surface. Surface Science. volum 470.
Academic article
Zhao, Q.X.; Wongmanerod, S.; Willander, M.; Holtz, P.O.; Selvig, Espen; Fimland, Bjørn-Ove. (2000) Effects of monolayer AlAs insertion in modulation doped GaAs/AlxGa1-xAs quantum-well structures. Physical Review B. Condensed Matter and Materials Physics. volum 62 (16).
Academic article

1999

Emiliani, V.; Shkrebtii, A.I.; Goletti, C.; Frisch, A.M.; Fimland, Bjørn-Ove; Esser, N.; Richter, W.. (1999) Ge/GaAs(001) interface formation investigated by reflectance anisotropy spectroscopy. Physical Review B Condensed Matter. volum 59 (16).
Academic article
Pelzel, R.I.; Nosho, B.Z.; Fimland, Bjørn-Ove; Weinberg, W.H.. (1999) Adsorption of [(tBu)GaS]%e on GaAs(001)-(2x4). Surface Science. volum 426.
Academic article
Worren, Turid; Fimland, Bjørn-Ove; Hunderi, Ola. (1999) The Effect of In Segregation on the PLE Spectra of InxGa1-xAs/GaAs Multiple Quantum Wells. Physica Scripta. volum T79.
Academic article
Heinlein, Christian; Fimland, Bjørn-Ove; Grepstad, Jostein; Berge, Torunn. (1999) Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation. Journal of Vacuum Science & Technology B. volum 17.
Academic article
Heinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove; Berge, Torunn. (1999) Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation. Journal of Crystal Growth. volum 201-202.
Academic article

1998

Shkrebtii, A.I.; Nesser, E.; Richter, W.; Schmidt, W.G.; Bechstedt, F.; Fimland, Bjørn-Ove; Kley, A.; Del Sole, R.. (1998) Reflectance anisotropy of GaAs(100) : theory and experiment superlatttice films by means of synchronotron radiation. Physical Review Letters. volum 81 (3).
Academic article
Wold, Erik; Bremer, Johannes; Hunderi, Ola; Fimland, Bjørn-Ove. (1998) Far infrared ellipsometric measurements of (GaAs)n/(AlxGa1-xAs)n superlatttice films by means of synchronotron radiation. Thin Solid Films.
Academic article
Wold, Erik; Bremer, Johannes; Hunderi, Ola; Fimland, Bjørn-Ove. (1998) Far infrared ellipsometric measurements of (GaAs)n/(AlxGa1-xAs)n superlatttice films by means of synchronotron radiation. Thin Solid Films.
Academic article

1997

Scherb, G.; Kazimirov, A.; Zegenhagen, J.; Schuultz, T.; Feidenhans, R.; Fimland, Bjørn-Ove. (1997) Potential controlled stripping of an amorphous As layer on GaAs(110) in an electrolyte : an in situ X-ray scattering study. Applied Physics Letters. volum 71 (20).
Academic article
Schintke, S.; Resch-Esser, U.; Esser, N.; Krost, A.; Richter, W.; Fimland, Bjørn-Ove. (1997) Surfactant-mediated growth of indium on GaAs(001). Surface Science. volum 377-379.
Academic article
Springer, C.; Resch-Esser, U.; Goletti, C.; Richter, W.; Fimland, Bjørn-Ove. (1997) Surface reflectance anisotropy of indium-terminated GaAs(100) surfaces. Surface Science. volum 377-379.
Academic article
Xhao, Q.X.; Fimland, Bjørn-Ove; Södervall, U.; Willander, M.; Selvig, Espen. (1997) Deactivation of Be acceptors by atomic hydrogen in AlGaAs/GaAs quantum well structures. Applied Physics Letters. volum 71 (15).
Academic article

1996

Resch-Esser, U.; Esser, N.; Springer, C.; Zegenhagen, J.; Richter, W.; Cardona, M.; Fimland, Bjørn-Ove. (1996) Erratum: Surface ordering on GaAs(100) by indium-termination [J. Vac. Sci. Technol. B 13, 1672 (1995)]. Journal of Vacuum Science & Technology B. volum 14 (1).
Academic article

1995

Resch-Esser, U; Esser, N; Springer, C.; Zegenhagen, J.; Richter, W; Cardona, M.; Fimland, Bjørn-Ove. (1995) Surface ordering on GaAs(100) by indium-termination. Journal of Vacuum Science & Technology B. volum 13.
Academic article

1994

Grepstad, Jostein; Husby, Haldor; Borg, Anne; Fimland, Bjørn-Ove; Bernstein, Ralph W.; Nyholm, Ralf. (1994) As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication. Physica scripta. Topical Issues. volum 54.
Academic article

1993

Grepstad, Jostein; Fimland, Bjørn-Ove; et al., [Mangler fornavn]. (1993) Reconstruction-dependent reactivity and electronic barrier formation at Al/MBE-grown GaAs(001) interfaces. 1993. MAX-lab Activity Report.
Non-fiction book

1992

Bernstein, Ralph W.; Borg, Anne; Husby, Haldor; Fimland, Bjørn-Ove; Grepstad, Jostein. (1992) Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED. Applied Surface Science. volum 56-58.
Academic article

1991

Borg, A.; Grepstad, Jostein; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove. (1991) Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces. 1991. SINTEF Rapport.
Report
Borg, A.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Bernstein, R.W.; Nyholm, R.. (1991) Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces. 1991. Annual activity report.
Report

1990

Borg, A.; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Karlsson, U.O.. (1990) Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001). 1990. Annual activity report.
Report

Journal publications

Liudi Mulyo, Andreas; Mukherjee, Anjan; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Nilsen, Tron Arne; Toftevaag, Håvard Hem; Vullum, Per Erik; Kishino, Katsumi; Weman, Helge; Fimland, Bjørn-Ove. (2021) Graphene-Based Transparent Conducting Substrates for GaN/AlGaN Nanocolumn Flip-Chip Ultraviolet Light-Emitting Diodes. ACS Applied Nano Materials. volum 4 (9).
Academic article
Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn-Ove; Weman, Helge. (2021) GaAs/AlGaAs Nanowire Array Solar Cell Grown on Si with Ultrahigh Power-per-Weight Ratio. ACS Photonics. volum 8 (8).
Academic article
Vatanparast, Maryam; Shao, Yu-Tsun; Rajpalke, Mohana; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi; Vullum, Per Erik; Zuo, Jian Min. (2021) Detecting minute amounts of nitrogen in GaNAs thin films using STEM and CBED. Ultramicroscopy.
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2020) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Scientific Reports. volum 10 (853).
Academic article
Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Kim, Dong Chul; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2019) GaN/AlGaN nanocolumn ultraviolet light-emitting diode using double-Layer graphene as substrate and transparent electrode. Nano Letters. volum 19 (3).
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove; Kishino, Katsumi. (2019) Erratum: Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer (Nanotechnology 30 015604). Nanotechnology. volum 30 (4).
Errata
Mukherjee, Anjan; Yun, Hoyeol; Shin, Dong Hoon; Nam, Jungtae; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Kim, Keun Soo; Lee, Sang Wook; Kim, Dong Chul. (2019) Single GaAs Nanowire/Graphene Hybrid Devices Fabricated by a Position-Controlled Microtransfer and an Imprinting Technique for an Embedded Structure. ACS Applied Materials & Interfaces. volum 11 (14).
Academic article
Ren, Dingding; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2019) Epitaxially grown III-arsenide-antimonide nanowires for optoelectronic applications. Nanotechnology. volum 30 (29).
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove; Kishino, Katsumi. (2018) Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer. Nanotechnology. volum 30:049601.
Academic article
Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2018) Using FIB-SEM as a Platform for the Positioning and Correlated Characterization of III-V Nanowires. Microscopy and Microanalysis. volum 24.
Academic article
Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, Jianfeng; Gustafsson, Anders; Huh, Junghwan; Conibeer, Gavin J.; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2018) Single-mode near-infrared lasing in a GaAsSb-based nanowire superlattice at room temperature. Nano Letters. volum 18 (4).
Academic article
Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2017) Determination of GaAs zinc blende/wurtzite band offsets utilizing GaAs nanowires with an axial GaAsSb insert. Journal of Applied Physics. volum 122 (24).
Academic article
Liudi Mulyo, Andreas; Konno, Yuta; Nilsen, Julie Stene; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy. Journal of Crystal Growth. volum 480.
Academic article
Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Evaluating focused ion beam patterning for position-controlled nanowire growth using computer vision. Journal of Physics: Conference Series (JPCS). volum 902 (1).
Academic article
Patra, Saroj Kumar; Tran, Thanh-Nam; Vines, Lasse; Kolevatov, Ilia; Monakhov, Edouard; Fimland, Bjørn-Ove. (2017) Dopant incorporation in Al0.9Ga0.1As0.06Sb0.94 grown by molecular beam epitaxy. Journal of Crystal Growth. volum 463.
Academic article
Vullum, Per Erik; Nord, Magnus Kristofer; Vatanparast, Maryam; Thomassen, Sedsel Fretheim; Boothroyd, Chris; Holmestad, Randi; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2017) Quantitative strain analysis of InAs/GaAs quantum dot materials. Scientific Reports. volum 7.
Academic article
Ahtapodov, Lyubomir; Munshi, Abdul Mazid; Nilsen, Julie Stene; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2016) Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires. Nanotechnology. volum 27 (44).
Academic article
Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In situ electronic probing of semiconducting nanowires in an electron microscope. Journal of Microscopy. volum 262 (2).
Academic article
Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Ducati, Caterina; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In situ heat-induced replacement of GaAs Nanowires with Au. Nano Letters. volum 16 (5).
Academic article
Huh, Junghwan; KIM, DONG CHUL; Munshi, A Mazid; Dheeraj, D.L.; Jang, Doyoung; Kim, Gyu-Tae; Fimland, Bjørn-Ove; Weman, Helge. (2016) Low frequency noise in single GaAsSb nanowires with self-induced compositional gradients. Nanotechnology. volum 27 (38).
Academic article
Ren, Dingding; Dheeraj, D.L.; Jin, Chengjun; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F; Mazid, A. M.; Gustafsson, Anders; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2016) New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays. Nano Letters. volum 16 (2).
Academic article
Ren, Dingding; Huh, Junghwan; Dheeraj, D.L.; Weman, Helge; Fimland, Bjørn-Ove. (2016) Influence of Pitch on the Morphology and Luminescence Properties of Self-Catalyzed GaAsSb Nanowire Arrays. Applied Physics Letters. volum 109.
Academic article
Ren, Dingding; Høiaas, Ida Marie; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; KIM, DONG CHUL; Weman, Helge; Fimland, Bjørn-Ove. (2016) Growth optimization for self-catalyzed GaAs-based nanowires on metal-induced crystallized amorphous substrate. Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. volum 34 (2).
Academic article
Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2016) Aluminum-based contacts for use in GaSb-based diode lasers. Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. volum 34 (6).
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Vogt, Patrick. (2015) Electrophilic surface sites as precondition for the chemisorption of pyrrole on GaAs(001) surfaces. Journal of Chemical Physics. volum 142 (10).
Academic article
Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne; Van Helvoort, Antonius; Lee, S.W.; Fimland, Bjørn-Ove; Weman, Helge. (2015) Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients. Nano Letters. volum 15 (6).
Academic article
Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2015) Radial composition variations in the shells of GaAs/AlGaAs core-shell nanowires. Journal of Physics: Conference Series (JPCS). volum 644:012007.
Academic article
Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2015) Plasma-assisted oxide removal from p-type GaSb for low resistivity ohmic contacts. Journal of Vacuum Science & Technology B. volum 33:061220 (6).
Academic article
Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2014) In-situ electrical and structural characterization of individual GaAs nanowires. Journal of Physics: Conference Series (JPCS). volum 522.
Academic article
Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Muller, K.; Rosenauer, A.; Van Helvoort, Antonius. (2014) Erratum: Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires (Journal of Applied Physics (2014)116 (144303)). Journal of Applied Physics. volum 116 (23).
Errata
Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Rosenauer, Andreas; Van Helvoort, Antonius. (2014) Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires. Journal of Applied Physics. volum 116 (14).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F; Ahtapodov, Lyubomir; Lee, K. D.; Heidari, B.; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2014) Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography. Nano Letters. volum 14 (2).
Academic article
Tran, Thanh-Nam; Breivik, Magnus; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2014) High precision AlGaAsSb ridge-waveguide etching by in situ reflectance monitored ICP-RIE. Proceedings of SPIE, the International Society for Optical Engineering. volum 9134.
Academic article
Breivik, Magnus; Nilsen, Tron Arne; Fimland, Bjørn-Ove. (2013) Temperature dependent lattice constant of InSb above room temperature. Journal of Crystal Growth. volum 381.
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2013) STM analysis of defects at the GaAs(001)-c(4x4) surface. Surface Science. volum 617.
Academic article
Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Christoffersen, Ole Morten; KIM, DONG CHUL; Signorello, Giovanni; Riel, H; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. Journal of Crystal Growth. volum 378.
Academic article
Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Scheffler, Martha; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. Nanotechnology. volum 24 (1).
Academic article
Ghalamestani, Sepideh Gorji; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Dick, Kimberly A. (2013) Self-catalyzed MBE grown GaAs/GaAsxSb1-x core-shell nanowires in ZB and WZ crystal structures. Nanotechnology. volum 24 (40).
Academic article
Kauko, Hanne; Zheng, C.L; Zhu, Y; Glanvill, S; Dwyer, Christian; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Etheridge, Joanne. (2013) Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy. Applied Physics Letters. volum 103 (23).
Academic article
KIM, DONG CHUL; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2013) Polarization dependent photocurrent spectroscopy of single wurtzite GaAs/AlGaAs core-shell nanowires. Applied Physics Letters. volum 102 (14:142107).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si(111). Journal of Crystal Growth. volum 372.
Academic article
Todorovic, Jelena; Kauko, Hanne; Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2013) The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires. Semiconductor Science and Technology. volum 28 (11).
Academic article
Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs. Nano Letters. volum 12 (12).
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2012) Pyrrole adsorption on GaAs(001)-c(4x4): The role of surface defects. Physical Review B. Condensed Matter and Materials Physics. volum 85 (7).
Academic article
Crowley, Mark T.; Patel, Nishant; Saiz, T. A.; El Emawy, M.; Nilsen, Tron Arne; Naderi, N. A.; Mukherjee, Sayan D.; Fimland, Bjørn-Ove; Lester, Luke F.. (2012) Modelling the spectral emission of multi-section quantum dot superluminescent light-emitting diodes. Semiconductor Science and Technology. volum 27 (6).
Academic article
Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth. Nano Letters. volum 12 (9).
Academic article
Crowley, Mark Thomas; Murrell, David; Patel, Nishant; Breivik, Magnus; Lin, Chang-Yi; Li, Yan; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) Analytical Modeling of the Temperature Performance of Monolithic Passively Mode-Locked Quantum Dot Lasers. IEEE Journal of Quantum Electronics. volum 47 (8).
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photoluminescence Polarization Anisotropy in a Single Heterostructured III-V Nanowire with Mixed Crystal Phases. AIP Conference Proceedings. volum 1399.
Academic article
Bruhn, Thomas; Ewald, Marcel; Fimland, Bjørn-Ove; Kneissl, Michael; Esser, Norbert; Vogt, Patrick. (2011) In-situ optical spectroscopy and electronic properties of pyrrole sub-monolayers on Ga-rich GaAs(001). Journal of nanoparticle research. volum 13 (11).
Academic article
Bruhn, Thomas; Fimland, Bjørn-Ove; Kneissl, Michael; Esser, Norbert; Vogt, Patrick. (2011) Adsorbate-induced modification of the surface electronic structure at GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 83 (4).
Academic article
Crowley, Mark T.; Murrell, David; Patel, Nishant; Breivik, Magnus; Lin, C.-Y.; Li, Yan; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) Modeling the temperature performance of monolithic passively mode-locked quantum dot lasers. Proceedings of SPIE, the International Society for Optical Engineering. volum 7933.
Academic article
DONG CHUL, KIM; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J. W.; Ji, H; Kim, G. T.; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. AIP Conference Proceedings. volum 1399.
Academic article
Li, Yan; Breivik, Magnus; Feng, Cheng-Yong; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) A Low Repetition Rate All-Active Monolithic Passively Mode-Locked Quantum-Dot Laser. IEEE Photonics Technology Letters. volum 23 (14).
Academic article
Nilsen, Tron Arne; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2011) Thermal dependence of the lattice constant and the Poisson ratio of AlSb above room temperature. Journal of Crystal Growth. volum 336 (1).
Academic article
Riele, Linda; Bruhn, Thomas; Rackwitz, Vanessa; Passmann, Regina; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2011) Reconstruction dependent growth of lead phthalocyanine layers on GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 84 (20).
Academic article
Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2011) InAs/GaAs quantum dot density variation across a quarter wafer when grown with substrate rotation. Journal of Crystal Growth. volum 323 (1).
Academic article
Todorovic, Jelena; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Olk, Phillip; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Correlated micro-photoluminescence and electron microscopy study of a heterostructured semiconductor nanowire. Journal of Physics: Conference Series (JPCS). volum 326.
Academic article
Todorovic, Jelena; Anthonysamy, Fervin Moses; Karlberg, Thomas Andre; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires. Nanotechnology. volum 22 (32).
Academic article
Breivik, Magnus; Nilsen, Tron Arne; Myrvågnes, Geir; Selvig, Espen; Fimland, Bjørn-Ove. (2010) Temperature dependent lattice constant of Al0.90Ga0.10AsySb1-y. Journal of Vacuum Science & Technology B. volum 28 (3).
Academic article
Bruhn, T; Passmann, R; Fimland, Bjørn-Ove; Kneissl, M; Esser, N; Vogt, P. (2010) Adsorbate-induced modification of the surface electric field of GaAs (001)-c(4 x 4) measured via the linear electro-optic effect. Physica status solidi (b). volum 247 (8).
Academic article
Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Growth of heterostructured III-V nanowires by molecular beam epitaxy for photonic applications. Proceedings of SPIE, the International Society for Optical Engineering. volum 7608.
Academic article
Hoang, Thang Ba; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control. Nano Letters. volum 10 (8).
Academic article
Nilsen, Tron Arne; Breivik, Magnus; Myrvågnes, Geir; Fimland, Bjørn-Ove. (2010) Thermal expansion of GaSb measured by temperature dependent x-ray diffraction. Journal of Vacuum Science & Technology B. volum 28 (3).
Academic article
Van Helvoort, Antonius; Dasa, Lakshmi Narayana; Zhou, Hailong; Grønsberg, Sondre; Patriarche, G; Fimland, Bjørn-Ove; Weman, Helge. (2010) Dark field transmission electron microscopy techniques for structural characterization of nanowire heterostructures. Journal of Physics: Conference Series (JPCS). volum 241.
Academic article
Zhou, Dayong; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2010) Optimization towards high density quantum dots for intermediate band solar cells grown by molecular beam epitaxy. Applied Physics Letters. volum 96 (6).
Academic article
Zhou, Dayong; Vullum, Per Erik; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Holmestad, Randi; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2010) Positioning effects on quantum dot solar cells grown by molecular beam epitaxy. Applied Physics Letters. volum 96 (8).
Academic article
Nilsen, Tron Arne; Breivik, Magnus; Selvig, Espen; Fimland, Bjørn-Ove. (2009) Critical thickness of MBE-grown Ga1-xInxSb (x < 0.2) on GaSb. Journal of Crystal Growth. volum 311 (7).
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa Lakshmi Narayana, Dheeraj; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. IOP Conference Series: Earth and Environmental Science (EES). volum 6:012001.
Academic article
Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. Journal of Physics: Conference Series (JPCS).
Academic article
Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Harmand, J.C.; Weman, Helge; Fimland, Bjørn-Ove. (2009) Growth and structural characterization of GaAs/GaAsSb axial heterostructured nanowires. Journal of Crystal Growth. volum 311 (7).
Academic article
Gründer, Y; Renner, FU; Lee, T-L; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Zegenhagen, J.. (2009) The electrodeposition of copper onto UHV-prepared GaAs(001) surfaces. Surface Science. volum 603 (17).
Academic article
Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge. (2009) Observation of free exciton photoluminescence emission from single wurtzite GaAs nanowires. Applied Physics Letters. volum 94 (13).
Academic article
Hoang, Thang Ba; Zhou, Hailong; Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Optical properties of single wurtzite GaAs nanowiresand GaAs nanowires with GaAsSb inserts. Materials Research Society Symposium Proceedings. volum 1144.
Academic article
Passmann, R.; Bruhn, T.; Nilsen, Tron Arne; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) Adsorption configurations of hydrocarbon ring molecules on GaAs(001)-c(4x4). Physica status solidi (b). volum 246 (7).
Academic article
Weman, Helge; Palmgren, S.; Karlsson, F.K.; Rudra, A.; Kapon, E.; Dheeraj, D.L.; Fimland, Bjørn-Ove; Harmand, J.C.. (2009) Semiconductor quantum-wires and nano-wires for optoelectronic applications. Journal of materials science. Materials in electronics. volum 20.
Academic article
Zhou, Hailong; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Liu, L; Harmand, J.C.; Fimland, Bjørn-Ove; Weman, Helge. (2009) Wurtzite GaAs/AlGaAs core-shell nanowires grown by molecular beam epitaxy. Nanotechnology. volum 20 (41).
Academic article
Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Grønsberg, Sondre; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2008) Growth and characterization of GaAs nanowires with defect-free zinc blende GaAsSb inserts. Nano Letters. volum 8 (12).
Academic article
Dasa, Lakshmi Narayana; Patriarche, G; Largeau, L; Zhou, Hailong; Van Helvoort, Antonius; Glas, F; Harmand, JC; Fimland, Bjørn-Ove; Weman, Helge. (2008) Zinc blende GaAsSb nanowires grown by molecular beam epitaxy. Nanotechnology. volum 19.
Academic article
Passmann, R; Kropp, M; Bruhn, T; Fimland, Bjørn-Ove; Bloom, FL; Gossard, AC; Richter, W.; Esser, N.; Vogt, P. (2007) Optical anisotropy of cyclopentene terminated GaAs(001) surfaces. Applied Physics A: Materials Science & Processing. volum 87.
Academic article
Zegenhagen, J.; Lee, T-L; Gründer, Y; Renner, FU; Fimland, Bjørn-Ove. (2007) The Adsorption and Growth of Copper on As-Terminated GaAs(001): Physical Vapour versus Electrochemical Deposition. Zeitschrift für Physikalische Chemie. volum 221 (9-10).
Academic article
Bugge, Renato; Fimland, Bjørn-Ove. (2006) Annealing effects in InGaAsSb quantum wells with pentenary AlInGaAsSb barriers. Physica scripta. Topical Issues. volum 126.
Academic article
Selvig, Espen; Myrvågnes, Geir; Bugge, Renato; Haakenaasen, R.; Fimland, Bjørn-Ove. (2006) The effect of growth interruptions at the interfaces in epitaxially grown GaInAsSb/AlGaAsSb multiple-quantum-wells studied with high-resolution x-ray diffraction and photoluminescence. Physica scripta. Topical Issues. volum 126.
Academic article
Buell, David A.; Feezell, Daniel; Fimland, Bjørn-Ove; Coldren, Larry. (2006) Molecular beam epitaxy of InP-based alloys for long-wavelength vertical cavity lasers. Journal of Vacuum Science & Technology B. volum 24.
Academic article
Bugge, Renato; Fimland, Bjørn-Ove. (2005) A novel tunable wet etched mid-IR pentenary AlInGaAsSb junction laser at 2.34-2.44 um. IEEE Device Research Conference Digest, 2005. DRC'05. 63rd.. volum 1.
Abstract
Bugge, Renato; Fimland, Bjørn-Ove. (2005) Diffusion from InGaAsSb quantum wells with pentenary AlInGaAsSb barriers. 21st Nordic Semiconductor Meeting Program and Abstract book.
Abstract
Goletti, C.; Emiliani, V; Schintke, S.; Frisch, A.M.; Esser, N.; Fimland, Bjørn-Ove. (2005) Detection of surface states anisotropies at GaAs(001)(2x4) decapped surfaces. Physica status solidi (b). volum 242 (13).
Academic article
Selvig, Espen; Fimland, Bjørn-Ove. (2005) The effect of growth interruptions at the interfaces in epitaxially grown GaInAsSb/AlGaAsSb multiple-quantum-wells studied with high-resolution x-ray diffraction. 21st Nordic Semiconductor Meeting Program and Abstract book.
Abstract
Fimland, Bjørn-Ove. (2004) In situ X-ray analysis of solid/electrolyte interfaces: electrodeposition of Cu and Co on Si(111):H and GaAs(001) and corrosion of Cu3Au(111). Surface Science. volum 573.
Academic article
Selvig, Espen; Fimland, Bjørn-Ove. (2004) Enhanced photoluminescence from GaAsSb quantum wells. Applied Physics Letters. volum 85 (23).
Academic article
Ludge, K; Vogt, P; Richter, W; Fimland, Bjørn-Ove; Braun, W; Esser, N. (2004) Metallic nanostructures on Co/GaAs(001)(4x2) surfaces. Journal of Vacuum Science & Technology B. volum 22.
Academic article
Esser, Norbert; Frisch, Anna Maria; Röseler, Arnulf; Schintke, Silvia; Goletti, Claudio; Fimland, Bjørn-Ove. (2003) Optical resonances of indium islands on GaAs(001) observed by reflectance anisotropy spectroscopy. Physical Review B. Condensed Matter and Materials Physics. volum 67.
Academic article
Emiliani, V; Frisch, A. M.; Goletti, C.; Esser, Norbert; Richter, Wolfgang; Fimland, Bjørn-Ove. (2002) Ge growth on GaAs(001) surfaces studied by reflectance anisotropy spectroscopy. Physical Review B. Condensed Matter and Materials Physics. volum 66.
Academic article
Lee, T.-L.; Kumpf, C; Kazimirov, A.; Lyman, P. F.; Scherb, G.; Bedzyk, M. J.; Nielsen, M.; Feidenhansl, R.; Johnson, R. L.; Fimland, Bjørn-Ove; Zegenhagen, Jörg. (2002) Structural analysis of the indium-stabilized GaAs(001)-c(8x2) surface. Physical Review B. Condensed Matter and Materials Physics. volum 66.
Academic article
Esser, N.; Schmidt, W. G.; Cobet, C.; Fleischer, K.; Shkrebtii, A. I.; Fimland, Bjørn-Ove; Richter, W.. (2001) Atomic structure and optical anisotropy of III-V(001) surfaces. Journal of Vacuum Science & Technology B. volum 19 (5).
Academic article
Kumpf, C.; Smilgies, D.; Landemark, E.; Nielsen, M.; Feidenhansl, R.; Bunk, O.; Zeysing, J. H.; Su, Y.; Johnson, R. L.; Cao, L.; Zegenhagen, J.; Fimland, Bjørn-Ove; Marks, L. D.; Ellis, D.. (2001) Structure of metal-rich (001) surfaces of III-V compound semiconductores. Physical Review B. Condensed Matter and Materials Physics. volum 64.
Academic article
Selvig, Espen; Fimland, Bjørn-Ove; Skauli, Torbjørn; Haakenaasen, Randi. (2001) Calibration of the arsenic mole fraction in MBE grown GaAs(y)Sb(1-y) and Al(x)Ga(1-x)As(y)Sb(1-y). Journal of Crystal Growth. volum 227-228.
Academic article
Goletti, C.; Springer, C.; Resch-Esser, U.; Esser, N.; Richter, W.; Fimland, Bjørn-Ove. (2000) Optical characterization of indium-terminated GaAs(001) surfaces. Physical Review B. Condensed Matter and Materials Physics. volum 61 (3).
Academic article
Pelzel, R.I.; Nosho, B.Z.; Fimland, Bjørn-Ove; Weinberg, W.H.. (2000) Adsorption of [(/sup t/Bu)GaS]/sub4/ on the GaAs(001)-(4x2) surface. Surface Science. volum 470.
Academic article
Zhao, Q.X.; Wongmanerod, S.; Willander, M.; Holtz, P.O.; Selvig, Espen; Fimland, Bjørn-Ove. (2000) Effects of monolayer AlAs insertion in modulation doped GaAs/AlxGa1-xAs quantum-well structures. Physical Review B. Condensed Matter and Materials Physics. volum 62 (16).
Academic article
Emiliani, V.; Shkrebtii, A.I.; Goletti, C.; Frisch, A.M.; Fimland, Bjørn-Ove; Esser, N.; Richter, W.. (1999) Ge/GaAs(001) interface formation investigated by reflectance anisotropy spectroscopy. Physical Review B Condensed Matter. volum 59 (16).
Academic article
Pelzel, R.I.; Nosho, B.Z.; Fimland, Bjørn-Ove; Weinberg, W.H.. (1999) Adsorption of [(tBu)GaS]%e on GaAs(001)-(2x4). Surface Science. volum 426.
Academic article
Worren, Turid; Fimland, Bjørn-Ove; Hunderi, Ola. (1999) The Effect of In Segregation on the PLE Spectra of InxGa1-xAs/GaAs Multiple Quantum Wells. Physica Scripta. volum T79.
Academic article
Heinlein, Christian; Fimland, Bjørn-Ove; Grepstad, Jostein; Berge, Torunn. (1999) Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation. Journal of Vacuum Science & Technology B. volum 17.
Academic article
Heinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove; Berge, Torunn. (1999) Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation. Journal of Crystal Growth. volum 201-202.
Academic article
Shkrebtii, A.I.; Nesser, E.; Richter, W.; Schmidt, W.G.; Bechstedt, F.; Fimland, Bjørn-Ove; Kley, A.; Del Sole, R.. (1998) Reflectance anisotropy of GaAs(100) : theory and experiment superlatttice films by means of synchronotron radiation. Physical Review Letters. volum 81 (3).
Academic article
Wold, Erik; Bremer, Johannes; Hunderi, Ola; Fimland, Bjørn-Ove. (1998) Far infrared ellipsometric measurements of (GaAs)n/(AlxGa1-xAs)n superlatttice films by means of synchronotron radiation. Thin Solid Films.
Academic article
Wold, Erik; Bremer, Johannes; Hunderi, Ola; Fimland, Bjørn-Ove. (1998) Far infrared ellipsometric measurements of (GaAs)n/(AlxGa1-xAs)n superlatttice films by means of synchronotron radiation. Thin Solid Films.
Academic article
Scherb, G.; Kazimirov, A.; Zegenhagen, J.; Schuultz, T.; Feidenhans, R.; Fimland, Bjørn-Ove. (1997) Potential controlled stripping of an amorphous As layer on GaAs(110) in an electrolyte : an in situ X-ray scattering study. Applied Physics Letters. volum 71 (20).
Academic article
Schintke, S.; Resch-Esser, U.; Esser, N.; Krost, A.; Richter, W.; Fimland, Bjørn-Ove. (1997) Surfactant-mediated growth of indium on GaAs(001). Surface Science. volum 377-379.
Academic article
Springer, C.; Resch-Esser, U.; Goletti, C.; Richter, W.; Fimland, Bjørn-Ove. (1997) Surface reflectance anisotropy of indium-terminated GaAs(100) surfaces. Surface Science. volum 377-379.
Academic article
Xhao, Q.X.; Fimland, Bjørn-Ove; Södervall, U.; Willander, M.; Selvig, Espen. (1997) Deactivation of Be acceptors by atomic hydrogen in AlGaAs/GaAs quantum well structures. Applied Physics Letters. volum 71 (15).
Academic article
Resch-Esser, U.; Esser, N.; Springer, C.; Zegenhagen, J.; Richter, W.; Cardona, M.; Fimland, Bjørn-Ove. (1996) Erratum: Surface ordering on GaAs(100) by indium-termination [J. Vac. Sci. Technol. B 13, 1672 (1995)]. Journal of Vacuum Science & Technology B. volum 14 (1).
Academic article
Resch-Esser, U; Esser, N; Springer, C.; Zegenhagen, J.; Richter, W; Cardona, M.; Fimland, Bjørn-Ove. (1995) Surface ordering on GaAs(100) by indium-termination. Journal of Vacuum Science & Technology B. volum 13.
Academic article
Grepstad, Jostein; Husby, Haldor; Borg, Anne; Fimland, Bjørn-Ove; Bernstein, Ralph W.; Nyholm, Ralf. (1994) As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication. Physica scripta. Topical Issues. volum 54.
Academic article
Bernstein, Ralph W.; Borg, Anne; Husby, Haldor; Fimland, Bjørn-Ove; Grepstad, Jostein. (1992) Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED. Applied Surface Science. volum 56-58.
Academic article

Books

Grepstad, Jostein; Fimland, Bjørn-Ove; et al., [Mangler fornavn]. (1993) Reconstruction-dependent reactivity and electronic barrier formation at Al/MBE-grown GaAs(001) interfaces. 1993. MAX-lab Activity Report.
Non-fiction book

Part of book/report

Murrell, David; Crowley, Mark T.; Breivik, Magnus; Raghunathan, R.; Aboketaf, A.; Elshaari, A.; Preble, S. F.; Fimland, Bjørn-Ove; Lester, Luke F.. (2012) Design of Uncooled High-Bandwidth Ultra-Low Energy per Bit Quantum Dot Laser Transmitters for Chip to Chip Optical Interconnects. 2012 IEEE Optical Interconnects Conference.
Academic chapter/article/Conference paper
Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Heterostructured III-V Nanowires with Mixed Crystal Phases Grown by Au-assisted Molecular Beam Epitaxy. Nanowires.
Academic chapter/article/Conference paper
Passmann, R.; Bruhn, T.; Fimland, Bjørn-Ove; Richter, W.; Kneissl, M.; Esser, N.; Vogt, P.. (2009) Adsorption of Cyclopentene on GaAs(001) and InP(001), a Comparative Study by Synchrotron-based Core Level Spectroscopy. SYNCHROTRON RADIATION AND NANOSTRUCTURES Papers in Honour of Paolo Perfetti Proceedings of the Workshop CNR, Roma, Italy, 21 November 2008.
Academic chapter/article/Conference paper
Nilsen, Tron Arne; Martinez, Anthony; Bugge, Renato; Moscho, Aaron; Lester, Luke; Fimland, Bjørn-Ove. (2006) High aspect ratio etching of GaSb/AlGaAsSb for photonic crystals. High aspect ratio etching of GaSb/AlGaAsSb for photonic cystals.
Academic chapter/article/Conference paper

Report

Borg, A.; Grepstad, Jostein; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove. (1991) Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces. 1991. SINTEF Rapport.
Report
Borg, A.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Bernstein, R.W.; Nyholm, R.. (1991) Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces. 1991. Annual activity report.
Report
Borg, A.; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Karlsson, U.O.. (1990) Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001). 1990. Annual activity report.
Report

Teaching

Courses

Media

2022

Poster

Li, Yang; Nilsen, Tron Arne; Liudi Mulyo, Andreas; Mukherjee, Anjan; Ren, Dingding; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) Selective area MBE growth of GaN nanowires on graphene/sapphire using a hole-patterned SiO2 mask. The 1st TNNN Conference & Norwegian Nano Symposium 2022 . NTNU NANO; Trondheim. 2022-11-30 - 2022-12-02.
Poster

Li, Yang; Nilsen, Tron Arne; Liudi Mulyo, Andreas; Ren, Dingding; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) Selective area epitaxy of GaN nanowires on single-layer graphene substrates by molecular beam epitaxy. Int. Workshop on Nitride Semiconductors ; Berlin. 2022-10-09.
Poster

Li, Yang; Nilsen, Tron Arne; Mukherjee, Anjan; Ren, Dingding; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) Selective area epitaxy of GaN nanowires on graphene substrates by plasma assisted molecular beam epitaxy. The 22nd International Conference on Molecular Beam Epitaxy . University of Sheffield and Institute of Physics, UK; Sheffield. 2022-09-04 - 2022-09-09.
Academic lecture

Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn Ove Myking; Weman, Helge. (2022) Axial GaAs/AlGaAs Nanowire Solar Cell on Si with Ultra-High Power-per-Weight Ratio. III-V Semiconductors for Energy Conversion Technologies . MRS Spring Meeting; Honolulu (remote). 2022-05-23 - 2022-05-27.
Poster

Ren, Dingding; Chen, Z.; Borisov, B.; Vullum, Per Erik; Nilsen, Julie Stene; Ahtapodov, Lyubomir; Li, Yang; Van Helvoort, Antonius; Fimland, Bjørn Ove Myking; Liu, Z.; Weman, Helge. (2022) Growth and Characterization of InGaN/GaN Nanowires on Graphene Glass. Int. Workshop on Nitride Semiconductors ; Berlin. 2022-10-09.
Poster

Ren, Dingding; Nilsen, Tron Arne; Nilsen, Julie Stene; Ahtapodov, Lyubomir; Mukherjee, Anjan; Li, Yang; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) MBE Growth of GaAsSb/GaAs Multiple Quantum Disk Nanowires on Few-layer Graphene for Photonic Applications. 22nd International Conference on Molecular Beam Epitaxy . University of Sheffield and Institute of Physics, UK; Sheffield, UK. 2022-09-04 - 2022-09-09.

2021

Poster

LI, Yang; Nilsen, Tron Arne; Mukherjee, Anjan; Liudi Mulyo, Andreas; Fimland, Bjørn-Ove; Weman, Helge. (2021) Selective area growth of GaN nanowires on sapphire and graphene substrates by molecular beam epitaxy. 21st International Conference on Molecular Beam Epitaxy . CINVESTAV; Puerto Vallarta and Virtual. 2021-09-06 - 2021-09-09.
Interview

Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) Gallium arsenide nanowire solar cell with 7.7% efficiency. pv-magazine.com [Internett]. 2021-11-09.
Interview

Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) New ultra-high material efficient, low-cost solar cells — using nanowires. Eurekalert.org [Internett]. 2021-11-05.
Interview

Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) New ultra-high material efficient, low-cost solar cells — using nanowires. https://norwegianscitechnews.com/ [Internett]. 2021-11-05.

2019

Interview

Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) New nanomaterial to replace mercury. Norwegian SciTech News [Internett]. 2019-04-25.
Interview

Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) Ny og ufarlig elektronisk komponent kan erstatte kvikksølv. Teknisk Ukebald [Fagblad]. 2019-05-28.
Interview

Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) Utviklet nanomateriale som kan erstatte kvikksølv. Gemini.no [Internett]. 2019-05-27.
Academic lecture

Liudi Mulyo, Andreas; Kim, Dong Chul; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2019) Utilization of Graphene as Substrate and Bottom Electrode for High-Density and Vertically-Aligned GaN/AlGaN Nanocolumns in Light-Emitting Diodes in the UV-A. 10th annual workshop on Norwegian PhD Network on Nanotechnology for Microsystems ; Tromsø. 2019-06-17 - 2019-06-19.
Poster

Liudi Mulyo, Andreas; Rajpalke, Mohana Krishnappa; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2019) The Influence of AlN Buffer Layer on the Growth of Self-Assembled GaN Nanocolumns on Graphene. The 13th International Conferences on Nitride Semiconductors . Material Research Society; Bellevue, Washington (Seattle). 2019-07-07 - 2019-07-12.
Poster

Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2019) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Nanowire Week 2019 . Scuola Normale Superiore and Istituto Nanoscienze-CNR; Pisa. 2019-09-23 - 2019-09-27.
Academic lecture

Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2019) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Nanowire week ; Pisa. 2019-09-23 - 2019-09-27.
Poster

Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2019) Characterizing nanowire arrays by computer vision based on SEM images. 16th European microbeam analysis society meeting . EMAS; Trondheim. 2019-05-19 - 2019-05-23.
Academic lecture

Mukherjee, Anjan; Mosberg, Aleksander Buseth; Ren, Dingding; Li, Yang; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2019) Radial Junction GaAs Nanowire Solar Cells: Towards Efficient Performance. 10th Annual NanoNetwork conference . NanoNetwork; Tromsø. 2019-06-17 - 2019-06-19.
Academic lecture

Nilsen, Julie Stene; Huh, Junghwan; Munshi, A Mazid; Dheeraj, Dasa; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2019) Contacting nanostrusctures: detailed characterisation of the Au/Ge/GaAs nanowire interface. Microscopy of Semiconducting Materials (MSM-XXI) . IoP; Cambridge. 2019-04-09 - 2019-04-12.
Academic lecture

Ren, Dingding; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2019) Crystal phase engineering in GaAsSb/GaAs nanowires grown by MBE. 1st International Workshop on Crystal-Phase Structures in Nanowires . DTU; Copenhagen. 2019-04-04 - 2019-04-05.
Poster

Ren, Dingding; Chen, Z; Nilsen, Julie Stene; Ahtapodov, Lyubomir; Borisov, B.; Mukherjee, Anjan; Li, Y; Liu, Z; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2019) Epitaxially Grown InGaN/GaN Nanowires on Graphene Glass. 13th International Conference on Nitride Semiconductors 2019 (ICNS-13) ; Bellevue. 2019-07-07 - 2019-07-12.
Poster

Vatanparast, Maryam; Undheim, Espen; Vullum, Per Erik; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2019) Advanced TEM Studies of High Efficiency Quantum Dot Intermediate Band Solar Cells. Fysikkermøte 2019 . UiO; Oslo. 2019-08-08 - 2019-08-09.

2018

Poster

Ahtapodov, Lyubomir; Munshi, A Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2018) Optical determination of the GaAs zinc blende/wurtzite band offsets. Nanowire Week 2018 ; Hamilton. 2018-06-11 - 2018-06-15.
Lecture

Fimland, Bjørn-Ove. (2018) III-V semiconductor nanowires at NTNU. Invited presentation at Dept. of Electrical Engineering, National Tsing Hua University . National Tsing Hua University; Hsinchu. 2018-03-21 - 2018-03-21.
Poster

Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Ahtapodov, Lyubomir; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2018) GaN/AlGaN nanocolumn UV LED using graphene as substrate and transparent electrode. Int. Workshop on Nitride Semiconductors ; Kanazawa. 2018-11-11 - 2018-11-16.
Academic lecture

Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Ahtapodov, Lyubomir; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2018) Using graphene as substrate and transparent electrode in an GaN/AlGaN nanocolumn flip-chip UV LED. Nanowire Week ; Hamilton. 2018-06-11 - 2018-06-15.
Poster

Liudi Mulyo, Andreas; Rajpalke, Mohana Krishnappa; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove; Kishino, Katsumi. (2018) Growth and characterization of GaN nanocolumns grown on graphene using a thin AlN buffer layer. International Workshop on Nitride Semiconductors (IWN2018) ; Kanazawa. 2018-11-11 - 2018-11-16.
Academic lecture

Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2018) FIB-SEM as a Platform for the Positioning and Correlated Characterization of III-V Nanowires. Microscopy&Microanalysis 2018 . MSA; Baltimore. 2018-08-05 - 2018-08-09.
Poster

Mukherjee, Anjan; Ren, Dingding; Islam, M. A.; Mosberg, Aleksander Buseth; Li, Yang; Ahtapodov, Lyubomir; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2018) Monitoring Axial and Radial Junction GaAs Nanowire Solar Cells Through a New Approach: Towards Efficient Performance. NTNU Nano Symposium . NTNU NanoLab; Trondheim. 2018-11-28 - 2018-11-29.
Academic lecture

Mukherjee, Anjan; Shin, Dong Hoon; Munshi, Abdul Mazid; Dheeraj, D.L.; Nam, Jung Tae; Kim, Keun Sook; Fimland, Bjørn-Ove; Weman, Helge; Lee, Sang Wook; KIM, DONG CHUL. (2018) Bias-dependent scanning photocurrent microscopy on embedded single GaAs nanowire/graphene hybrid device. Nanowire Week ; Hamilton. 2018-06-11 - 2018-06-15.
Academic lecture

Mukherjee, Anjan; Shin, Dong Hoon; Munshi, Abdul Mazid; Dheeraj, Dasa; Nam, Jung Tae; Kim, Keun Sook; Fimland, Bjørn-Ove; Weman, Helge; Lee, Sang Wook; Kim, Dong-Chul. (2018) Bias-dependent Scanning Photocurrent Microscopy on a Single GaAs Nanowire Graphene Hybrid Device. NTNU Nano Symposium ; Trondheim. 2018-11-28 - 2018-11-29.
Poster

Nilsen, Julie Stene; Ånes, Håkon Wiik; Andersen, Ingrid Marie; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2018) Large Area Crystal Phase Mapping by Scanning Electron Diffraction and Machine Learning Data Analysis. Scandem 2018 . CEN-DTU/Scandem; Copenhagen. 2018-06-25 - 2018-06-28.
Poster

Nylund, Inger-Emma; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2018) Electron microscopy characterization of GaN Nanowires grown on graphene. CSI2018 . IFY&IMA; Trondheim. 2018-06-19 - 2018-06-21.
Academic lecture

Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, A.; Huh, Junghwan; Kim, Dong-Chul; Conibeer, G; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2018) Single Nanowire Laser with GaAsSb-based Multiple-Superlatticed Gain Structure. 60th electronic materials conference at UCSB . UCSB; Santa Barbara. 2018-06-27 - 2018-06-29.
Academic lecture

Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Huh, Junghwan; Kim, Dong-Chul; Conibeer, G; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2018) Single Nanowire Laser with GaAsSb-based Multiple-Superlatticed Gain Structure. Compound Semiconductor week 2018 . MIT; Boston. 2018-05-29 - 2018-06-01.
Poster

Vatanparast, Maryam; Vullum, Per Erik; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2018) Bandgap Measurements of High Refractive Index Semiconductor Materials by EELS. Material Research Society Spring Meeting (MRS) . MRS; Phoenix, AZ. 2018-06-02 - 2019-06-06.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2018) Building Miniature Lasers with Nanowires. Science and technology research news [Internett]. 2018-08-24.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2018) Building minature lasers with nanowires. Gemini.no [Internett]. 2018-08-23.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2018) Building miniature lasers using nanowire. Nanowerk.com [Internett]. 2018-08-29.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2018) Lager miniatyrlasere i nanotråder. Gemini.no [Internett]. 2018-06-29.

2017

Lecture

Fauske, vidar T.; Huh, Junghwan; Divitini, Giorgio; Munshi, A Mazid; Dheeraj, D.L.; Ducati, C; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) In-situ studying the heat‐induced replacement of GaAs by Au. In-situ TEM sample-management solution workshop . LOT FRance/DENS Solutions; Grenoble. 2017-03-16 - 2017-03-16.
Academic lecture

Høiaas, Ida Marie; Liudi Mulyo, Andreas; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2017) AlGaN/GaN nanowire flip-chip UV LED using graphene as substrate and transparent electrode. Nano@NTNU . Nanolab NTNU og Nano Network; Trondheim. 2017-12-06 - 2017-12-07.
Poster

Høiaas, Ida Marie; Liudi Mulyo, Andreas; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2017) Graphene as growth substrate and transparent electrode for flip-chip GaN/AlGaN nanocolumn UV-LEDs. Carbonhagen 2017 . DTU, Danmark; Copenhagen. 2017-08-16.
Lecture

Liudi Mulyo, Andreas; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Epitaxial Growth of Vertical n-type GaN/AlGaN Nanocolumns on Graphene/Silica Glass. The 12th International Conferences on Nitride Semiconductors ; Strasbourg. 2017-07-24 - 2017-07-28.
Lecture

Liudi Mulyo, Andreas; Høiaas, Ida Marie; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) AlGaN/GaN Nanocolumn Flip-Chip UV LEDs Grown on Graphene/Silica Glass. The 11th International Symposium on Semiconductor Light Emitting Devices ; Banff. 2017-10-08 - 2017-10-12.
Poster

Liudi Mulyo, Andreas; Høiaas, Ida Marie; Rajpalke, Mohana Krishnappa; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Graphene as a substrate and bottom electrode for high density and vertically aligned GaN nanocolumns. Nano@NTNU Symposium . Nanolab NTNU; Trondheim. 2017-12-06 - 2017-12-07.
Lecture

Liudi Mulyo, Andreas; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Epitaxy Feasibility of n-type GaN/AlGaN Nanocolumns on Silica Glass. Compound Semiconductor Week 2017 . PDI Berlin; Berlin. 2017-05-14 - 2017-05-18.
Poster

Mosberg, Aleksander Buseth; Myklebost, S; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Evaluating focused ion beam patterning for nanowire growth using computer vision. EMAG/MMC . IoP/RMS; Manchester. 2017-07-03 - 2017-07-06.
Poster

Mosberg, Aleksander Buseth; Myklebost, S; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Exploring focused ion beam substrate patterning for nanowire growth. Nanowire Week . Lund University; Lund. 2017-05-29 - 2017-06-02.
Poster

Mukherjee, Anjan; KIM, DONG CHUL; Munshi, Mazid; Dasa, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2017) Fabrication of Single GaAs Nanowire/Graphene Hybrid Devices for Optoelectronic Applications. Nordic Nanolab User Meeting (NNUM) 2017 ; Trondheim. 2017-05-09 - 2017-05-10.
Poster

Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Kim, Keun Sook; Lee, Sang Wook; Munshi, Abdul Mazid; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge. (2017) Embedded single GaAs nanowire/graphene hybrid devices fabricated by a position- controlled micro transfer and imprinting technique. Nanowire week . Lund University; Lund. 2017-05-29 - 2017-06-02.
Academic lecture

Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jung Tae; Kim, Keun Soo; Munshi, Mazid; Dasa, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2017) High-Quality Single GaAs Nanowire/Graphene Junctions Fabricated by using an Imprinting Technique for Embedded Nanowire Configurations. 8th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems - 2017 ; Bergen. 2017-06-12 - 2017-06-14.
Poster

Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jungtae; Kim, Keun Sook; Lee, Sang Wook; Munshi, Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2017) An Imprinting Technique to Fabricate Embedded Single GaAs Nanowire/Graphene Hybrid Devices. Carbonhagen 2017 . DTU, Danmark; Copenhagen. 2017-08-16 - 2017-08-17.
Poster

Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jungtae; Kim, Keun Sook; Lee, Sang Wook; Munshi, Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2017) Single GaAs nanowire/graphene hybrid devices fabricated by a position controlled micro transfer and imprinting technique for embedded structures. MRS Spring meeting 2017 . MRS; Phoenix. 2017-04-17 - 2017-04-21.
Poster

Rajpalke, Mohana; Patra, Saroj Kumar; Vatanparast, Maryam; Dahl, Øystein; Vullum, Per Erik; Holmestad, Randi; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2017) InAs/(Al)GaAs quantum-dot-based intermediate band solar cells. Nano Network Workshop 2017 . Nano Network; Bergen. 2017-06-12 - 2017-06-14.
Poster

Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, A; Huh, Junghwan; Kim, D.C.; Conibeer, G; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2017) High-Q factor, single-mode, room-temperature lasing from GaAsSb/GaAs nanowire superlattices. Nanowire Week . Lund University; Lund. 2017-05-29 - 2017-06-02.
Academic lecture

Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, Anders; Huh, Junghwan; Conibeer, G; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2017) Ternary GaAsSb Nanowire for Optoelectronic Applications. Nano@NTNU symposium 2017 . NTNU NanoLab; Trondheim. 2017-12-06 - 2017-12-07.
Lecture

Van Helvoort, Antonius; Garmannslund, Andreas; Bogen, J; Nilsen, Julie Stene; Fauske, vidar T.; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove. (2017) Improved compositional mapping of heterostructured nanowire (by STEM-EDX). Nanowire Week . Lund University; Lund. 2017-05-29 - 2017-06-02.

2016

Academic lecture

Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dheeraj, D.L.; Munshi, A Mazid; Ducati, Caterina; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In situ tracking of the heat-induced replacement of GaAs by Au in nanowires, European Microscopy. European Microscopy Congress 2016 . EMS; Lyon. 2016-08-28 - 2016-09-02.
Academic lecture

Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dheeraj, D.L.; Munshi, A Mazid; Ducati, Caterina; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) Metallic contacts within semiconductor nanowires. Nano@NTNU Workshop 2016 . NTNU NanoLab; Trondheim. 2016-11-17 - 2016-11-18.
Academic lecture

Liudi Mulyo, Andreas; Konno, Yuta; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2016) Growth of Self-Organized Vertical GaN Nanocolumns Utilizing AlN as Nucleation Sites on Single Layer Graphene/Silica Glass by Molecular Beam Epitaxy. International Workshop on Nitride Semiconductors (IWN 2016) ; Orlando. 2016-10-02 - 2016-10-07.
Lecture

Liudi Mulyo, Andreas; Konno, Yuta; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2016) Self-Organized Vertical GaN Nanocolumns Grown on Silica Glass by RF-Molecular Beam Epitaxy. 19th International Conference on Molecular Beam Epitaxy ; Montpellier. 2016-09-04 - 2016-09-09.
Lecture

Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; casadei, A; Boche, K; Faivre, V; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) In-Situ Electrical Probing Of Nanowires On Focused Ion Beam Patterned Substrates. 67th Scandem Meeting . Scandem; Trondheim. 2016-06-07 - 2016-06-10.
Lecture

Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Huh, Junghwan; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) Focused Ion Beam for substrate nanopatterning and characterization of position-controlled Nanowires. 7th NanoNetwork workshop . NanoNetwork; Trondheim. 2016-06-13 - 2016-06-15.
Lecture

Mosberg, Aleksander Buseth; Ren, Dingding; Fauske, Vidar Tonaas; Myklebost, Steinar; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) Fire the ion beam: Patterning and characterizing nanowires using the NanoLab FIB. NTNU NanoLab lunch seminar series . NTNU NanoLab; Trondheim. 2016-10-07 - 2016-10-07.
Poster

Mosberg, Aleksander Buseth; Ren, Dingding; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) FIB patterning for position-controlled nanowire growth. European Microscopy Congress 2016 . EMS; Lyon. 2016-08-28 - 2016-09-02.
Academic lecture

Mosberg, Aleksander Buseth; Ren, Dingding; Myklebost, S; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2016) Tailoring nanowire growth through Focused Ion Beam patterning. Nano@NTNU workshop . NTNU NanoLab; Trondheim. 2016-11-17 - 2017-11-18.
Poster

Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Munshi, Mazid; Dasa, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2016) Comparison Study of Bottom- & Top- Graphene/Single GaAs Nanowire Contacts for Optoelectronic Applications. The Nano NTNU Symposium 2016 ; Trondheim. 2016-11-17 - 2016-11-18.
Academic lecture

Nilsen, Julie Stene; Huh, Junghwan; Munshi, A Mazid; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2016) Pd/Ge/Au contacts on GaAs Nanowires. Nano@NTNU workshop . NTNU NanoLab; Trondheim. 2016-11-17 - 2016-11-18.
Lecture

Nilsen, Julie Stene; Huh, Junghwan; Munshi, A; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2016) Characterization of Pd/Ge/Au contacts on GaAs Nanowires. 67th Scandem Meeting . Scandem; Trondheim. 2016-06-07 - 2016-06-10.
Lecture

Nilsen, Julie Stene; Huh, Junghwan; Munshi, A; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2016) Transmission electron microscopy study of Pd/Ge/Au contacts to GaAs nanowires. 7th NanoNetwork workshop . NanoNetwork; Trondheim. 2016-06-13 - 2016-06-15.
Poster

Nilsen, Julie Stene; Mosberg, Aleksander Buseth; Garmannslund, Andreas; Reinertsen, Johannes F; Munshi, A Mazid; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2016) Self-Induced Compositional Variations in GaAs/AlGaAs Core-Shell Nanowires. European Microscopy Congress 2016 . EMS; Lyon. 2016-08-28 - 2016-09-02.
Lecture

Ren, Dingding; Dheeraj, D.L.; Jin, C; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F; Munshi, A; Gustafsson, Anders; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2016) Self-catalyzed GaAsSb nanowires grown on silicon and graphene by molecular beam epitaxy: high-yield with stabilized crystal phase. 7th NanoNetwork workshop . NanoNetwork; Trondheim. 2016-06-13 - 2016-06-15.
Lecture

Ren, Dingding; Dheeraj, D.L.; Nilsen, Julie Stene; Huh, Junghwan; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2016) Effects of Sb on Crystal Phase, Morphology and Optical Emission of Self-catalyzed GaAsSb Nanowires on Si(111) and Graphitic Substrates. 19th International Conference on Molecular Beam Epitaxy ; Montpellier. 2016-09-04 - 2016-09-09.
Lecture

Ren, Dingding; Huh, Junghwan; Dheeraj, D.L.; Weman, Helge; Fimland, Bjørn-Ove. (2016) Gadiffusion Induced Morphological and Compositional Variations in SelfCatalyzed GaAsSb Nanowire Array. MRS 2016 Fall Meeting NM1: Semiconducting Nanowires, Nanoribbons and HeterostructuresSynthesis, Characterizations and Functional Devices ; Boston. 2016-11-27 - 2016-12-02.
Lecture

Van Helvoort, Antonius; Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, G; Dheeraj, D.L.; Munshi, A; Ducati, C; Weman, Helge; Fimland, Bjørn-Ove. (2016) The kinetics and dynamics of Au-GaAs solid state replacements, studied by in situ TEM. Dens preScandem Workshop . DENS; Trondheim. 2016-06-07 - 2016-06-07.

2015

Academic lecture

Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2015) In-situ electronic probing of semiconducting nanowires in an electron microscope. 19th Microscopy of Semiconducting Materials . IoP/EMAG-group; Cambridge. 2015-03-29 - 2015-04-02.
Interview

Fimland, Bjørn-Ove; Weman, Helge. (2015) Denne lager superstoff som kan forandre verden. Universitetsavisa [Avis]. 2015-03-09.
Interview

Fimland, Bjørn-Ove; Weman, Helge. (2015) I verdenstoppen på nanoteknologi. Forskningsrådet FORNY [Internett]. 2015-03-10.
Poster

Huh, Junghwan; Yun, Hoyeol; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Lee, Sang Wook; Kim, Dong-Chul; Fimland, Bjørn-Ove; Weman, Helge. (2015) Photocurrent Mapping of Single GaAsSb Nanowire Diodes. Nanowire Growth Workshop 2015 ; Barcelona. 2015-10-26 - 2015-10-30.
Poster

Høiaas, Ida Marie Eriksdatter; Ren, Dingding; KIM, DONG CHUL; Reinertsen, Johannes F; Fimland, Bjørn-Ove; Weman, Helge. (2015) GaAs Nanowire Growth on [111]-oriented Silicon with sub-grain Thickness. MyFab and NorFab user meeting ; Lund. 2015-04-21 - 2015-04-22.
Poster

Høiaas, Ida Marie Eriksdatter; Ren, Dingding; Reinertsen, Johannes F; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge. (2015) GaAs Nanowire Growth on [111]-oriented Silicon with sub-grain Thickness. Nano Network Workshop . Nano Network; Oslo. 2015-06-15 - 2015-06-17.
Poster

Munshi, Abdul Mazid; Ren, Dingding; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; Aas, Lars Martin Sandvik; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2015) On the growth of self-catalyzed GaAs nanowires on Si substrates: Opportunities and limitations. 31st North American Conference on Molecular Beam Epitaxy ; Mayan Riviera. 2015-10-04 - 2015-10-07.
Academic lecture

Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2015) Compositional variations in the shells of GaAs/AlGaAs core-shell nanowires. MMC/EMAG . RMS & IoP; Manchester. 2015-06-29 - 2015-07-02.
Poster

Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2015) Radial composition variations in the shells of GaAs/AlGaAs core-shell nanowires. Nano@NTNU . NTNU NanoLab; Trondheim. 2015-11-11 - 2015-11-11.
Poster

Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2015) Self-Induced Formation of Quantum Structures in the Shell of GaAs/AlGaAs Core-Shell Nanowires. Myfab/NorFab user meeting 2015 . NTNU NanoLab / MyFab; Lund. 2015-04-21 - 2015-04-22.
Poster

Reinertsen, Johannes F; Nilsen, Julie Stene; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2015) Self-Induced Formation of Quantum Well Tubes in Self-Catalyzed GaAs/AlGaAs Core-Shell Nanowires. 582. WE-Heraeus-Seminar on III-V Nanowire Photonics ; Bad Honnef. 2015-03-22 - 2015-03-25.
Academic lecture

Ren, Dingding; Dasa Lakshmi Narayana, Dheeraj; Huh, Junghwan; Reinertsen, Johannes F; Munshi, Abdul Mazid; Kim, Dong-Chul; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2015) High-yield Self-catalyzed GaAsSb/GaAs Heterostructured Nanowire Array on Si(111) by Molecular Beam Epitaxy. Nanowire Growth Workshop 2015 ; Barcelona. 2015-10-26 - 2015-10-30.
Academic lecture

Ren, Dingding; Dheeraj, D.L.; Huh, Junghwan; Reinertsen, Johannes F; Mazid, A. M.; Kim, Dong-Chul; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2015) High-yield self-catalyzed GaAsSb/GaAs heterostructured nanowire array on Si(111) by molecular beam epitaxy. Nano@NTNU . NTNU NanoLab; Trondheim. 2015-11-11 - 2015-11-11.
Poster

Ren, Dingding; Høiaas, Ida Marie; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Huh, Junghwan; Kim, Dong-Chul; Weman, Helge; Fimland, Bjørn-Ove. (2015) Growth optimization for self-catalyzed GaAs nanowires on metal induced crystallized amorphous substrate. 31st North American Conference on Molecular Beam Epitaxy ; Mayan Riviera. 2015-10-04 - 2015-10-07.
Lecture

Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2015) Aluminum-based contacts for mid IR laser applications. NanoNetwork Workshop 2015 . Norwegian PhD Network on Nanotechnology for Microsystems; Oslo. 2015-06-15 - 2015-06-17.
Poster

Tran, Thanh-Nam; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2015) Plasma-assisted oxide removal from p-type GaSb for low resistivity ohmic contacts. Myfab/NorFab user meeting . Myfab/NorFab; Lund. 2015-04-21 - 2015-04-22.

2014

Poster

Bugge, Renato; Myrvågnes, Geir; Nilsen, Tron arne; Fimland, Bjørn-Ove. (2014) Improved laser-based natural gas analysis from Nanoimprinting. NorTex Summit 2014 . Rice University; Houston, Texas. 2014-10-12 - 2014-10-16.
Academic lecture

Fauske, Vidar Tonaas; Huh, Junghwan; Erlbeck, Maximilian; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2014) In-situ electronic probing of nanostructures in a FIB. Nanolab 10th aniversium . NTNU Nanolab; Trondheim. 2014-11-10 - 2014-11-11.
Academic lecture

Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne; Van Helvoort, Antonius; Lee, SW; Fimland, Bjørn-Ove; Weman, Helge. (2014) GaAsSb nanowire diodes based on self-induced compositional variation. Nanowire2014 ; Eindhoven. 2014-08-25 - 2014-08-29.
Poster

Kauko, Hanne; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Rosenauer, A.; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2014) The Outward Diffusion of Sb during Nanowire Growth Studied by Quantitative High-Angle Annular Dark Field Scanning Transmission Electron Microscopy. Microscopy and Microanalysis 2014 . AMS; Hartford. 2014-08-04 - 2014-08-07.
Poster

Kauko, Hanne; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Weman, Helge; Rosenauer, A.; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2014) The outward diffusion of Sb during growth of antimonide III-V nanowires. 8th Nanowire Growth Workshop ; Eindhoven. 2014-08-25 - 2014-08-27.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; Reinertsen, Johannes F; Ahtapodov, Lyubomir; Lee, KD; Heidari, B.; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2014) Position controlled GaAs nanowires on 2-inch Si wafers using nanoimprint lithography. MRS Spring Meeting . MRS; San Francisco. 2014-04-22 - 2014-04-22.
Poster

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; Ren, Dingding; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2014) Limitations of self-catalytic growth in controlling the diameter of GaAs nanowires on Si substrates. MBE2014 ; Flagstaff. 2014-09-07 - 2014-09-12.
Poster

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; Ren, Dingding; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2014) Limitations of self-catalytic growth in controlling the diameter of GaAs nanowires on Si substrates. Nanowire2014 ; Eindhoven. 2014-08-25 - 2014-08-29.
Poster

Tran, Thanh-Nam; Breivik, Magnus; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2014) High precision AlGaAsSb ridge-waveguide etching by in situ reflectance monitored ICP-RIE. SPIE Photonics Europe 2014 . SPIE; Brussels. 2014-04-14 - 2014-04-17.
Poster

Tran, Thanh-Nam; Breivik, Magnus; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2014) PRECISE ETCHING OF AlGaAsSb RIDGE-WAVEGUIDE BY IN SITU REFLECTANCE MONITORED ICP-RIE. 5th Annual Workshop of Norwegian PhD Network on Nanotechnology for Microsystems . Nanonetwork; Tønsberg. 2014-06-16 - 2014-06-19.

2013

Poster

Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2013) Optical properties of self-catalyzed GaAs Nanowires with axial GaAsSb inserts. Nanowires-2013 ; Rehovot. 2013-11-12 - 2013-11-15.
Academic lecture

Ahtapodov, Lyubomir; Todorovic, Jelena; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2013) Optical Characterization of Single Semiconductor Nanowires. MYFAB&NORFAB Meetting . Myfab og Norfab; Uppsala. 2013-04-17 - 2013-04-18.
Academic lecture

Bruhn, Thomas; Fimland, Bjørn-Ove; Esser, Norbert; Vogt, Patrick. (2013) Pyrrole Adsorption on GaAs(001): the Role of Surface Electrophilicity and Surface Defects. The 14th International Conference on the Formation of Semiconductor Interfaces . Korean Vacuum Society; Gyeongju. 2013-06-30 - 2013-07-05.
Poster

Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Fauske, Vidar Tonaas; KIM, DONG CHUL; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2013) Epitaxial growth and characterization of vertical III-V semiconductor nanowires on graphene. 7th Nanowire Growth Workshop ; Lausanne. 2013-06-10 - 2013-06-12.
Poster

Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Fauske, Vidar Tonaas; KIM, DONG CHUL; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2013) Epitaxial growth of vertical III-V semiconductor nanowires on graphene. Graphene2013 ; Bilbao. 2013-04-23 - 2013-04-26.
Academic lecture

Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2013) In-situ electrical and structural characterization of individual GaAs nanowire. EMAG2013 . IoP-EMAG; York. 2013-09-02 - 2013-09-06.
Academic lecture

Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2013) Mechanical and electrical characterization of nanowire-substrate interfaces. 4th Annual Nanonetwork Workshop . Nanonetwork; Bergen. 2013-06-17 - 2013-06-19.
Poster

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2013) Site-specific, cross-sectional TEM samples of as-grown nanowires by FIB. NorfFab/MyFab user meeting . NorFab/MyFab; Uppsala. 2013-04-17 - 2013-04-18.
Lecture

Fimland, Bjørn-Ove. (2013) Nanofotonikk og hybridmaterialer; en cocktail for fremtiden?. Jubileumsseminar: Fysikalsk elektronikk 50 år . NTNU; Trondheim. 2013-09-05 - 2013-09-05.
Poster

Ghalamestani, Sepideh Gorji; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Dick, Kimberly A. (2013) Self-catalyzed MBE grown GaAs/GaAsSb core-shell nanowires in ZB and WZ crystal structures. 7th Nanowire Growth Workshop ; Lausanne. 2013-06-10 - 2013-06-12.
Academic lecture

Huh, Junghwan; KIM, DONG CHUL; Yun, H.; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne; Van Helvoort, Antonius; Lee, S.W.; Fimland, Bjørn-Ove; Weman, Helge. (2013) Electrical Characteristics of Individual GaAsSb Nanowires Grown by Molecular Beam Epitaxy. 8th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2013-11-12 - 2013-11-12.
Academic lecture

Huh, Junghwan; Kim, Dong-Chul; Yun, H.; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne; Van Helvoort, Antonius; Lee, S.W.; Fimland, Bjørn-Ove; Weman, Helge. (2013) Effects on compositional variation on the electrical property of GaAsSb nanowires. MRS 2013 Fall Meeting . MRS; Boston. 2013-12-02 - 2013-12-06.
Poster

Huh, Junghwan; Kim, Dong-Chul; Yun, H.; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kim, G.T.; Lee, S.W.; Fimland, Bjørn-Ove; Weman, Helge. (2013) Electrical properties of III-V semiconductor nanowires for solar cell applications. 4th Annual Nanonetwork Workshop ; Bergen. 2013-06-17 - 2013-06-19.
Poster

Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2013) GaAs/AlGaAs core-shell nanowires for novel solar cell applications. Nanokonferansen 2013 . NRF; Oslo. 2013-03-18 - 2013-03-18.
Poster

Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2013) GaAs/AlGaAs core-shell nanowires for novel solar cell applications. Norwegian Solar Cell Conferance 2013 . FME sol; Oppdal. 2013-03-13 - 2013-03-15.
Poster

Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2013) Novel solar cells based on GaAs/AlGaAs core-shell nanowires. 4th annual Nanonetwork workshop . Nanonetwork; Bergen. 2013-06-17 - 2013-06-19.
Poster

Mayani, Maryam Gholami; Thomassen, Sedsel Fretheim; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2013) Quantum dots for intermediate band solar cells. Norwegian Solar Cell Conference ; 2013-03-13.
Poster

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; KIM, DONG CHUL; Todorovic, Jelena; Huh, Junghwan; Sandell, Susanne; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2013) GaAs nanowires grown on silicon and graphene for solar cell application. 4th annual NanoNetwork Workshop . Nanonetwork; Bergen. 2013-06-17 - 2013-06-19.
Poster

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2013) Limitations of self-catalytic growth in controlling diameter of GaAs nanowires on Si substrates. 7th Nanowire Growth Workshop ; Lausanne. 2013-06-10 - 2013-06-12.
Popular scientific lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove; Weman, Helge; Fauske, Vidar Tonaas; Kauko, Hanne; Van Helvoort, Antonius; Lee, KD; heidari, B. (2013) Position Controlled GaAs Nanowires on Si using Nanoimprint Lithography. 8th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2013-11-12 - 2013-11-12.
Poster

Nam, J.; Kim, Dong-Chul; Andersen, P.C.; Park, S.J.; Dae, D.J.; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Seo, S.; Kim, K.S.. (2013) Synthesis and characterization of graphene on Pt using CVD. Korean Physical Society Spring Meeting ; Daejon. 2013-04-24 - 2013-04-26.
Lecture

Patra, Saroj Kumar; Tran, Thanh-Nam; Vines, Lasse; Fimland, Bjørn-Ove. (2013) Dopant incorporation in Al0.9Ga0.1As0.06Sb0.94 grown by molecular beam epitaxy. 8th NTNU NanoLab Symposium . NTNU NanoLab; Trondheim. 2013-11-12 - 2013-11-12.
Academic lecture

Patra, Saroj Kumar; Tran, Thanh-Nam; Vines, Lasse; Fimland, Bjørn-Ove. (2013) Dopant incorporation in Te-doped Al0.9Ga0.1As0.06Sb0.94 grown by molecular beam epitaxy. 4th Annual Workshop of Norwegian PhD Network on Nanotechnology for Microsystems . Norwegian PhD Network on Nanotechnology for Microsystems; Bergen. 2013-06-17 - 2013-06-19.
Poster

Patra, Saroj Kumar; Tran, Thanh-Nam; Vines, Lasse; Fimland, Bjørn-Ove. (2013) Te incorporation in Al0.9Ga0.1As0.06Sb0.94 grown by molecular beam epitaxy. 30th North American Conference on Molecular Beam Epitaxy ; Banff. 2013-10-05 - 2013-10-11.
Poster

Tran, Thanh-Nam; Breivik, Magnus; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2013) High precision ridge-waveguide etching by in situ reflectance monitored ICP-RIE. Myfab/NorFab user meeting . Myfab/NorFab; Uppsala. 2013-04-17 - 2013-04-18.
Poster

Tran, Thanh-Nam; Patra, Saroj Kumar; Fimland, Bjørn-Ove. (2013) High reflection coating for high power and long-term stability of laser diodes. 4th Annual Workshop of Norwegian PhD Network on Nanotechnology for Microsystems . Norwegian PhD Network on Nanotechnology for Microsystems; Bergen. 2013-06-17 - 2013-06-19.
Programme participation

Weman, Helge; Fimland, Bjørn-Ove; Kim, Dong-Chul. (2013) Grafén-Forbløffende superstoff. NRK Schrödingers katt [TV]. 2013-03-14.
Interview

Weman, Helge; Fimland, Bjørn-Ove; Kim, Dong-Chul. (2013) På vei mot noe stort. Forskningsrådet [Internett]. 2013-05-15.

2012

Academic lecture

Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Combined micro-photoluminescence and electron microscopy investigation of single GaAs nanowires. ICPS2012 ; Zurich. 2012-07-29 - 2012-08-03.
Academic lecture

Ahtapodov, Lyubomir; Snustad, Ingrid; Gulla, Stian; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2012) Correlated micro photoluminescence and transmission electron microscopy on single self‐assisted GaAs/AlGaAs core‐shell nanowires. 7th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2012-12-12 - 2012-12-12.
Academic lecture

Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Kim, Dong Chul; mjaaland, T.S.; Eriksson, M; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Bergman, P; Fimland, Bjørn-Ove; Weman, Helge. (2012) Wurtzite versus Zincblende GaAs – A Thorough Comparison. MRS 2012 Spring Meeting ; San Francisco. 2012-04-09 - 2012-04-13.
Poster

Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; mjaaland, T.S.; Slaattnes, P.R.T.; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Optical Characterization of Single GaAs/AlGaAs Nanowires with Combined Photoluminescence Spectroscopy and Transmission Electron Microscopy on the Same Nanowire. 3rd Nano-network Workshop . Nano-network; Trondheim. 2012-06-11 - 2012-06-13.
Academic lecture

Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Munshi, Abdul Mazid; Lim, Cheng Guan; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) III-V semiconductor nanowire based solar cells. Mini‐workshop on materials for solar cells and other optoelectronic applications . Turid Worren Reenaas; NTNU, Trondheim. 2012-09-11.
Poster

Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Christoffersen, Ole Morten; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Growth and characterization of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. MBE2012 ; Nara. 2012-09-23 - 2012-09-28.
Poster

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2012) FIB prepared site-specific cross-sectional TEM specimen of nanowire-substrate interfaces. 7th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2012-12-12 - 2012-12-12.
Poster

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2012) Site-specific, cross-sectional TEM samples of as-grown nanowires by FIB. 15th EMC . EMC; Manchester. 2012-09-16 - 2012-09-21.
Poster

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kim, Dong Chul; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2012) Characterization of the Interface between GaAs Nanowires and a 111-Si Substrate. MRS 2012 Spring Meeting . MRS; San Francisco. 2012-04-09 - 2012-04-13.
Academic lecture

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kim, Dong Chul; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2012) Transmission Electron Microscopy Study of Defects at the Interface between GaAs Nanowires and a Si-111 Substrate. 3rd Nano-network Workshop . Nano-network; Trondheim. 2012-06-11 - 2012-06-13.
Interview

Fimland, Bjørn-Ove. (2012) Professor frå Myking skapar teknorevolusjon. Strilen [Avis]. 2012-12-19.
Interview

Fimland, Bjørn-Ove. (2012) Revolusjonerande teknologi. Nordhordland [Avis]. 2012-12-19.
Poster

Gholami, Mayani Maryam; Thomassen, Sedsel Fretheim; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2012) Formation of large QDs in InAs/GaAs QD bi-layers. International conference of molecular beam epitaxy (MBE) ; Nara. 2012-09-23 - 2012-09-28.
Poster

Gholami, Mayani Maryam; Thomassen, Sedsel Fretheim; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2012) Large QDs in InAs/GaAs QD bilayers. International conference on Extended defects in semiconductors ; Thessaloniki. 2012-06-24 - 2012-06-29.
Poster

Gholami, Mayani Maryam; Thomassen, Sedsel Fretheim; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2012) Photoluminescence study of InAs/GaAs quantum dots grown by molecular beam epitaxy. International Conference on Nanostructures (ICNS4) ; 2012-03-12 - 2012-03-14.
Academic lecture

Kim, Dong Chul; Ahtapodov, Lyubomir; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Photocurrent study of Single Wurtzite AlGaAs-GaAs Core/shell nanowires. MRS 2012 Spring Meeting . MRS; San Francisco. 2012-04-09 - 2012-04-13.
Academic lecture

Kim, Dong Chul; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Lim, Cheng Guan; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Semiconductor Nanowire Based Solar Cells-A Nordic Top-level Research Initiative. Technoporten ; Trondheim. 2012-04-16 - 2012-04-18.
Poster

Kim, Dong-Chul; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2012) Investigation of wurtzite GaAs nanowires by polarization dependent photocurrent spectroscopy. ICPS 2012 ; Zurich. 2012-07-29 - 2012-08-03.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Todorovic, Jelena; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Self-catalyzed GaAs nanowires grown by molecular beam epitaxy. Mini‐workshop on materials for solar cells and other optoelectronic applications . Turid Worren Reenaas; NTNU, Trondheim. 2012-09-11.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) A generic model and experimental demonstration of epitaxial growth of GaAs nanowires on graphene layers. MBE2012 ; Nara. 2012-09-23 - 2012-09-28.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Epitaxial Growth of High Quality Vertical GaAs Nanowires on Graphene by Molecular Beam Epitaxy. MRS Autumn meeting . MRS; Boston. 2012-11-25 - 2012-11-25.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Epitaxial growth of semiconductor III-V nanowires on graphene: A template for future opto-electronic device applications. 7th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2012-12-12 - 2012-12-12.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kim, Dong Chul; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Zinc blende and wurtzite GaAs nanowires grown by self-catalyzed molecular beam epitaxy. MRS 2012 Spring Meeting . MRS; San Francisco. 2012-04-09 - 2012-04-13.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) Crystal phase tuning in self-catalyzed GaAs nanowires induced by Ga-droplet contact angle. MBE2012 ; Nara. 2012-09-23 - 2012-09-28.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2012) GaAs nanowires grown on Si substrates: Crystal phase perfection, heterostructures and position control. 3rd Nano-network Workshop . Nano-network; Trondheim. 2012-06-11 - 2012-06-11.
Poster

Murrell, David; Crowley, Mark T.; Breivik, Magnus; Raghunathan, R.; Aboketaf, A.; Elshaari, A.; Preble, S. F.; Fimland, Bjørn-Ove; Lester, Luke F.. (2012) Design of Uncooled High-Bandwidth Ultra-Low Energy per Bit Quantum Dot Laser Transmitters for Chip to Chip Optical Interconnects. 1st IEEE Photonics Society Optical Interconnects Conference . IEEE Photonics Society; Santa Fe. 2012-05-20 - 2012-05-23.
Academic lecture

Todorovic, Jelena; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2012) Correlation of optical and structural properties of single semiconductor heterostructured nanowires. Scandem 2012 . Scandem; Bergen. 2012-06-13 - 2012-06-15.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2012) De kan revolusjonere verdens datateknologi. Bergens Tidene [Internett]. 2012-12-02.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2012) De kan revolusjonere verdens datateknologi. Aftenposten [Avis]. 2012-12-02.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2012) NTNU-oppdagelse kan revolusjonere elektronikkbransjen. Adressa [Avis]. 2012-09-11.
Interview

Weman, Helge; Fimland, Bjørn-Ove. (2012) Nanohalvledere på grafen revolutionerer solcellers effektivitet. Ingenjøren [Avis]. 2012-10-20.

2011

Poster

Ahtapodov, Lyubomir; Kim, D.C.; Boe, A.B.; Choi, J.W.; Ji, H.; Kim, G. T.; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photocurrent spectroscopy of single wurtzite GaAs nanowires. Heraeus seminar on III-V Nanowires . WE Heraeus Stiftung, Tysklland; Bad Honnef. 2011-02-21 - 2011-02-23.
Academic lecture

Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Ericsson, M.; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Bergman, J.P.; Fimland, Bjørn-Ove; Weman, Helge. (2011) Optical properties of Wurtzite GaAs nanowires. GDR Semiconductor Nanowires and Nanotubes . CNRS; Porquerolles. 2011-10-17 - 2011-10-21.
Academic lecture

Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Optical characterization of single semiconductor nanowires. 6th NanoLab user meeting . NTNU NanoLab; Trondheim. 2011-11-16 - 2011-11-16.
Academic lecture

Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Eriksson, M.; Bergman, P; Dasa Lakshmi Narayana, Dheeraj; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Combined studies of single Au-assisted GaAs/AlGaAs core/shell nanowires with PL spectroscopy and TEM. PDI Topical Workshop on MBE-grown Arsenide Nanowires ; Berlin. 2011-09-08 - 2011-09-09.
Academic lecture

Anthonysamy, Fervin Moses; Todorovic, Jelena; Dasa Lakshmi Narayana, Dheeraj; Olk, Phillip; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Consecutive optical and structural characterization of a single heterostructured III-V semiconductor nanowire. 2nd Nano-network Workshop ; Oslo. 2011-06-15 - 2011-06-17.
Academic lecture

Anthonysamy, Fervin Moses; Todorovic, Jelena; karlberg, Thomas; Van Helvoort, Antonius; Dasa Lakshmi Narayana, Dheeraj; Olk, Phillip; Fimland, Bjørn-Ove; Weman, Helge. (2011) Consecutive Photoluminescence and Transmission Electron Microscopy Studies of Single GaAs/AlGaAs Core-shell Nanowires with a GaAsSb Insert. MRS Spring meeting 2011 . MRS; San Francisco. 2011-04-25 - 2011-04-29.
Academic lecture

Crowley, Mark Thomas; Murrell, David; Patel, Nishant; Breivik, Magnus; Lin, Chang-Yi; Li, Yan; Fimland, Bjørn-Ove; Lester, Luke F.. (2011) Modeling the impact of temperature on the performance of monolithic passively mode-locked quantum dot lasers. 2011 SPIE Photonics West Annual Meeting . SPIE; San Francisco, CA. 2011-01-22 - 2011-01-27.
Academic lecture

Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Controlling crystal phases in GaAs nanowires grown by Au- and Ga-assisted MBE. PDI Topical Workshop on MBE-grown Arsenide Nanowires ; Berlin. 2011-09-08 - 2011-09-08.
Poster

DONG CHUL, KIM; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J.W.; Kim, G. T.; Ji, H; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2011) Photocurrent spectroscopy of single wurtzite GaAs nanowires. Heraeus seminar on III-V Nanowires ; Bad Honnef. 2011-02-21 - 2011-02-23.
Academic lecture

DONG CHUL, KIM; Christoffersen, Ole Morten; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove; Weman, Helge. (2011) Nanofabrication of GaAs nanowire optoelectronic devices in NTNU NanoLab. 6th NanoLab user meeting . NTNU NanoLab; Trondheim. 2011-11-16 - 2011-11-16.
Academic lecture

Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Cross-sectional Electron Microscopy characterization of the interface between GaAs Nanowires and a Si Substrate. 6th Nanolab usermeeting . NTNU Nanolab; Trondheim. 2011-11-16 - 2011-11-16.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Crystal phase and position control of self-catalyzed GaAs nanowires grown on a Si substrate. 6th NanoLab user meeting . NTNU NanoLab; Trondheim. 2011-11-16 - 2011-11-16.
Academic lecture

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Periodic arrays of self-catalyzed heterostructured GaAs nanowires on Si substrates grown by molecular beam epitaxy. GDR Semiconductor Nanowires and Nanotubes . CNRS; Porquerolles. 2011-10-17 - 2011-10-21.
Poster

Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Insights into Growth Mechanisms of Self-catalyzed GaAs Nanowires Grown by Molecular Beam Epitaxy. MRS Spring Meeting . MRS; San Francisco. 2011-04-25 - 2011-04-29.
Poster

Munshi, Abdul Mazid; Kim, D.C.; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2011) Positioned self-catalyzed GaAs nanowire arrays on Si substrates grown by molecular beam epitaxy. Nano-network Workshop ; Oslo. 2011-06-15 - 2011-06-15.
Academic lecture

Todorovic, Jelena; Anthonysamy, Fervin Moses; Dasa Lakshmi Narayana, Dheeraj; Olk, Phillip; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2011) Correlated micro-photoluminescence and electron microscopy study of a heterostructured semiconductor nanowire. Microscopy of Semiconducting Materials 2011 (MSM XVII) . IoP; Cambridge. 2011-04-04 - 2011-04-04.

2010

Academic lecture

Breivik, Magnus; Nilsen, Tron Arne; Patra, Saroj Kumar; Myrvågnes, Geir; Selvig, Espen; Fimland, Bjørn-Ove. (2010) Temperature dependence of the lattice constant of popular III-Sb binary and quarternary alloys. Electronic Materials Conference 2010 ; Notre Dame, Indiana. 2010-06-23 - 2010-06-25.
Academic lecture

Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Micro-photoluminescence spectroscopy and imaging of single axial and radial heterostructured III-V nanowires. Norwegian electro-Optics meeting ; Ålesund. 2010-04-07 - 2010-04-09.
Academic lecture

Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Engineering photoluminescence polarization in a single semiconductor nanowire. 5th NanoLab user meeting . NTNU NanoLab; Trondheim. 2010-09-10 - 2010-09-10.
Poster

Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Photoluminescence polarization anisotropy in a single heterostructured III-V nanowire with mixed crystal phases. 30th International Conference on the Physics of Semiconductors (ICPS 2010) ; Seoul. 2010-07-25 - 2010-07-30.
Academic lecture

Bruhn, T.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2010) Self-assembly of aromatic heterocyclic molecules on GaAs surfaces. Spring meeting of the German Physics Society 2010 . DPG (German Physics Society); Regensburg. 2010-03-21 - 2010-03-26.
Academic lecture

Bruhn, T.; Speiser, E.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2010) Bonding configuration of pyrrole molecules adsorbed on different GaAs(001) surface reconstructions studied by STM and STS. X International Conference on Nanostructured Materials (NANO 2010) . International Committee on Nanostructured Materials; Roma. 2010-09-13 - 2010-09-17.
Academic lecture

Bruhn, T.; Speiser, E.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2010) Monitoring the adsorption of anisotropic pyrrole layers on GaAs(001) by RAS in the visible and ultraviolet spectral range. Epioptics-11 / 49th Course of the International School of Solid State Physics ; Erice. 2010-07-19 - 2010-07-25.
Poster

Dasa, Lakshmi Narayana Dheeraj; Munshi, Abdul Mazid; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Control of wurtzite and zinc blende crystal phases in single GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th Nanowire growth workshop ; Rome. 2010-11-04 - 2010-11-04.
Academic lecture

Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Weman, Helge; Van Helvoort, Antonius. (2010) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th nanowire growth workshop ; Rome. 2010-11-03 - 2010-11-05.
Academic lecture

Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 16th International Conference on Molecular Beam Epitaxy ; Berlin. 2010-08-22 - 2010-08-27.
Academic lecture

Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Tuning of the crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th NanoLab user meeting . NTNU NanoLab; Trondheim. 2010-09-10.
Academic lecture

Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Growth of heterostructured III-V semiconductor nanowires by molecular beam epitaxy. Nano-network workshop 2010 ; Tønsberg. 2010-05-31 - 2010-06-02.
Academic lecture

Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Growth of heterostructured III-V nanowires by molecular beam epitaxy for photonic applications. Photonics West . SPIE; San Francisco. 2010-01-23 - 2010-01-28.
Academic lecture

Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2010) Tuning of the crystal phase in III-V nanowires grown by Au-assisted molecular beam epitaxy. MRS Spring meeting . MRS; San Fransisco. 2010-04-05 - 2010-04-05.
Poster

DONG CHUL, KIM; Ahtapodov, Lyubomir; Bø, A. B; Choi, J. W.; Ji, H.; Kim, G. T.; Moses, A. F.; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge. (2010) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. ICPS 2010 ; Seoul. 2010-07-25 - 2010-07-30.
Poster

Kim, D.C.; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J.W.; Ji, H.; Kim, G.T.; Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge. (2010) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. 30th International Conf. on the Physics of Semiconductors . Korea Physical Society; Seoul. 2010-07-25 - 2010-07-30.
Poster

Nilsen, Tron Arne; Patra, Saroj Kumar; Breivik, Magnus; Fimland, Bjørn-Ove. (2010) Thermal expansion and the thermal dependence of the Poisson ratio of AlSb grown on GaSb by molecular beam epitaxy. 16th International Conference on Molecular Beam Epitaxy ; Berlin. 2010-08-22 - 2010-08-27.
Poster

Reenaas, Turid Worren; Vullum, Per Erik; Song, Y.; Sadeghi, M.; Thomassen, Sedsel Fretheim; Holmestad, Randi; Wang, S.; Fimland, Bjørn-Ove. (2010) Comparative study of spacer layers for InAs quantum dot stacks. 22nd International Conference on Indium Phosphide and Related Materials ; Takamatsu. 2010-05-31 - 2010-06-04.
Poster

Riele, L.; Buick, B.; Bruhn, T.; Speiser, E.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P; Richter, W.. (2010) Self-assembled epitaxial Lead-Phthalocyanine ultra-thin layers on GaAs(001). Epioptics-11 / 49th Course of the International School of Solid State Physics ; Erice. 2010-07-19 - 2010-07-25.
Academic lecture

Riele, L.; Buick, B.; Bruhn, T.; Speiser, E.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P; Richter, W.. (2010) Structural study of self-assembled lead-phthalocyanine ultrathin layers on GaAs(001). Spring meeting of the German Physics Society 2010 . DPG (German Physics Society); Regensburg. 2010-03-21 - 2010-03-26.
Academic lecture

Thomassen, Sedsel Fretheim; Gholami, Mayani Maryam; Reenaas, Turid Worren; Zhou, Dayong; Fimland, Bjørn-Ove. (2010) Quantum dot density studies for quantum dot intermediate band solar cells. Renewable Energy Research Conference - 2020 and Beyond . Senter for fornybar energi (SFFE); NTNU. 2010-06-07 - 2010-06-08.
Poster

Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove. (2010) InAs/GaAs quantum dot density variation across a quarter wafer when grown with substrate rotation. 16th International Conference on Molecular Beam Epitaxy ; Berlin. 2010-08-22 - 2010-08-27.
Poster

Thomassen, Sedsel Fretheim; Zhou, Dayong; Gholami, Mayani Maryam; Reenaas, Turid Worren; Fimland, Bjørn-Ove; Vitelli, Stefano. (2010) Quantum dot density studies for quantum dot intermediate band solar cells. 25th European Photovoltaic Solar Energy Conference and Exhibition/5th World Conference on Photovoltaic Energy Conversion ; Valencia. 2010-09-06 - 2010-09-10.

2009

Poster

Breivik, Magnus; Nilsen, Tron Arne; Myrvågnes, Geir; Selvig, Espen; Fimland, Bjørn-Ove. (2009) Temperature dependent lattice constant of Al(0.90)Ga(0.10)As(y)Sb(1-y). 26th North American Molecular Beam Epitaxy Conference . Princeton University and the City College of New York; Princeton. 2009-08-09 - 2009-08-12.
Academic lecture

Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. E-MRS 2009 . MRS; Strasbourg. 2009-06-08 - 2009-06-12.
Academic lecture

Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Optical properties of axial and radial heterostructured III-V semiconductor nanowires. 4th NTNU Nanolab User Meeting . NTNU Nanolab; Trondheim. 2009-05-13.
Academic lecture

Bruhn, T.; Passmann, R.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) Influence of molecule adsorption on the surface electric fields at GaAs(001) as measured via the linear electro-optic effect. 8th International Conference on Optics of Surfaces and Interfaces ; Ischia. 2009-09-07 - 2009-09-11.
Poster

Bruhn, T.; Passmann, R.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) Influence of molecule adsorption on the surface electric fields of GaAs(001)c(4x4) and (2x4). Spring meeting of the German Physics Society (DPG) 2009 ; Dresden. 2009-03-22 - 2009-03-27.
Academic lecture

Bruhn, T.; Passmann, R.; Nilsen, Tron Arne; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) Adsorbate-induced modification of the band bending at GaAs(001) surfaces. 12th International Conference on the Formation of Semiconductor Interfaces ; Weimar. 2009-07-05 - 2009-07-10.
Academic lecture

Dasa, Lakshmi Narayana; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Heterostructured III-V Nanowires with Mixed Crystal Phases: New Possibilities for Heterostructure Engineering. Nordic Semiconductor Meeting ; Reykjavik. 2009-06-14 - 2009-06-17.
Poster

Dasa, Lakshmi Narayana; Patriarche, G; Van Helvoort, Antonius; Zhou, Hailong; Fimland, Bjørn-Ove; Weman, Helge. (2009) Growth and structural characterization of axial heterostructured GaAs/GaSb nanowires grown by molecular beam epitaxy. 3rd International conf. on One-dimensional Nanomaterials . Georgia Tech., Atlanta; Atlanta. 2009-12-07 - 2009-12-09.
Poster

Dasa, Lakshmi Narayana; Rogstad, Espen; Scheffler, Martha; Van Helvoort, Antonius; Zhou, Hailong; Patriarche, G.; Harmand, J.C.; Fimland, Bjørn-Ove; Weman, Helge. (2009) Diffusion-limited growth of GaAs nanowires by Au-assisted molecular beam epitaxy. 4th GDR meeting ; Autrans. 2009-06-30 - 2009-07-03.
Poster

Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Anthonysamy, Fervin Moses; Zhou, Hailong; Hoang, Thang Ba; Fimland, Bjørn-Ove; Weman, Helge. (2009) Effect of growth-interruption on structural and optical properties of GaAs/GaAsSb axial heterostructured nanowires. Materials Res. Soc. 2009 Fall Meeting, Symposium M: Multifunction at the Nanoscale through Nanowires . Materials Research Society; Boston. 2009-11-29 - 2009-12-04.
Poster

Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Anthonysamy, Fervin Moses; Zhou, Hailong; Hoang, Thang Ba; Fimland, Bjørn-Ove; Weman, Helge. (2009) Optimization of heterointerfaces in axial heterostructured nanowires grown by molecular beam epitaxy. 4th Nanowire growth workshop . CNRS; Paris. 2009-10-26 - 2009-10-27.
Academic lecture

Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Rogstad, Espen; Scheffler, Martha; Fimland, Bjørn-Ove; Weman, Helge. (2009) Tailoring of semiconductor heterostructure nanowires for photonic applications by molecular beam epitaxy. 4th NTNU Nanolab User Meeting . NTNU Nanolab; Trondheim. 2009-05-13.
Academic lecture

Ewald, M.; Passmann, R.; Bruhn, T.; Fimland, Bjørn-Ove; Kneissl, M.; Esser, N.; Vogt, P. (2009) STM investigations on Cyclopentene terminated GaAs(001)-surfaces. Spring meeting of the German Physics Society (DPG) 2009 ; Dresden. 2009-03-22 - 2009-03-27.
Academic lecture

Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Crystal phase dependent photoluminescence polarization in single semiconductor nanowires. 3rd International conf. on One-dimensional Nanomaterials . Georgia Tech., Atlanta; Atlanta. 2009-12-07 - 2009-12-09.
Academic lecture

Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Polarized micro-photoluminescence imaging of single GaAs/AlGaAs core-shell nanowires with GaAsSb inserts. Materials Res. Soc. 2009 Fall Meeting, Symposium O: Excitons and Plasmon Resonances in Nanostructures II . Materials Research Society; Boston. 2009-11-29 - 2009-12-04.
Academic lecture

Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2009) Wurtzite GaAs and zinc blende GaAsSb nanowires: New possibilities for heterostructure engineering. NANOMAT conference 2009 . NFR; Lillehamer. 2009-06-16 - 2009-06-17.
Poster

Nilsen, Tron Arne;

Språkvelger

Bjørn-Ove Fimland

Bjørn-Ove Fimland

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