Antonius Theodorus Johannes van Helvoort
About
Field of expertise
- Electron microscopy, especially transmission electron microscopy (TEM)
- Electron diffraction and spectroscopy (EELS and EDS)
- Advanced TEM data processing
- Focus ion beam (FIB)
- Nanotechnology and nanomaterials
- Solid state physics
- Semiconductor nanowires
Courses:
- TFY4330 Nanoverktøy
- TFY4255 Materials Physics
- TFY4330 Nanotools
- TFY14/FY3114 Functional Materials
- FY8102 Electron Microscopy and diffraction
- TFY4853 EIT_Nanoteknologi
Competencies
Publications
2017
- 
                
                    
                        
                            Liudi Mulyo, Andreas; 
                        
                    
                        
                            Konno, Yuta; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Weman, Helge.
                        
                    
                
                
                    (2017)
                
                
                    
                        
                        
                            
                                
                                     Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Crystal Growth
                    
                    
                
                
                
                    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
                    
                    
                
                
                
                    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)
                    
                    
                
                
                
                    Academic article
2016
- 
                
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Reinertsen, Johannes F; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Nanotechnology
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Valluvar Oli, Arivazhagan; 
                        
                    
                        
                            Schmitz, F.D.; 
                        
                    
                        
                            Vullum, Per Erik; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holst, Bodil.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Atomic resolution imaging of beryl: an investigation of the nano-channel occupation.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Microscopy
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Erlbeck, Maximilian; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     In situ electronic probing of semiconducting nanowires in an electron microscope.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Microscopy
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Heilmann, Martin; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Sarau, George; 
                        
                    
                        
                            Göbelt, Manuela; 
                        
                    
                        
                            Tessarek, Christian; 
                        
                    
                        
                            Fauske, Vidar Tonaas.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Vertically Oriented Growth of GaN Nanorods on Si Using Graphene as an Atomically Thin Buffer Layer.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Divitini, Giorgio; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Ducati, Caterina.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     In situ heat-induced replacement of GaAs Nanowires with Au.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Ren, Dingding; 
                        
                    
                        
                            Dheeraj, D.L.; 
                        
                    
                        
                            Jin, Chengjun; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Reinertsen, Johannes F.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
2015
- 
                
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Yun, H.; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Kauko, Hanne.
                        
                    
                
                
                    (2015)
                
                
                    
                        
                        
                            
                                
                                     Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
2014
- 
                
                    
                        
                            Jones, Lewys; 
                        
                    
                        
                            MacArthur, K.E.; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Nellist, P.D..
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Rapid estimation of catalyst nanoparticle morphology and atomic-coordination by high-resolution Z-contrast electron microscopy.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Reinertsen, Johannes F.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Singh, Gurvinder; 
                        
                    
                        
                            Kumar, Puri Anil; 
                        
                    
                        
                            Lundgren, Christopher; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Mathieu, Roland; 
                        
                    
                        
                            Wahlström, Erik.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Tunability in Crystallinity and Magnetic Properties of Core–Shell Fe Nanoparticles.
                                
                                
                            
                        
                    
                
                
                    
                         Particle & Particle Systems Characterization
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Müller, Knut; 
                        
                    
                        
                            Rosenauer, Andreas.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Muller, K.; 
                        
                    
                        
                            Rosenauer, A..
                        
                    
                
                
                    (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
                    
                    
                
                
                
                    Errata
2013
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Bjørge, Ruben; 
                        
                    
                        
                            Schowalter, M.; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Weman, Helge.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Compositional characterization of GaAs/GaAsSb nanowires by quantitative HAADF-STEM.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Micron
                    
                
                
                
                    Academic literature review
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Zheng, C.L; 
                        
                    
                        
                            Zhu, Y; 
                        
                    
                        
                            Glanvill, S; 
                        
                    
                        
                            Dwyer, Christian; 
                        
                    
                        
                            Munshi, Abdul Mazid.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy.
                                
                                
                            
                        
                    
                
                
                    
                         Applied Physics Letters
                    
                    
                
                
                
                    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
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Christoffersen, Ole Morten; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Signorello, Giovanni; 
                        
                    
                        
                            Riel, H.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Crystal Growth
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Semiconductor Science and Technology
                    
                
                
                
                    Academic article
2012
- 
                
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            DONG CHUL, KIM; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2012)
                
                
                    
                        
                        
                            
                                
                                     Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Mjåland, Terje Sund; 
                        
                    
                        
                            Slåttnes, Patrick Rene Tollefsen; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2012)
                
                
                    
                        
                        
                            
                                
                                     A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
2011
- 
                
                    
                        
                            Eberg, Espen; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Takahashi, Ryota; 
                        
                    
                        
                            Gass, Mhairi; 
                        
                    
                        
                            Mendis, Budhika; 
                        
                    
                        
                            Bleloch, Andrew.
                        
                    
                
                
                    (2011)
                
                
                    
                        
                        
                            
                                
                                     Electron energy loss spectroscopy investigation of Pb and Ti hybridization with O at the PbTiO3/SrTiO3 interface.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Karlberg, Thomas Andre; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2011)
                
                
                    
                        
                        
                            
                                
                                     Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Nanotechnology
                    
                    
                
                
                
                    Academic article
2010
- 
                
                    
                        
                            Sæterli, Ragnhild; 
                        
                    
                        
                            Rørvik, Per Martin Ljønes; 
                        
                    
                        
                            You, Chang Chuan; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Tybell, Thomas; 
                        
                    
                        
                            Grande, Tor.
                        
                    
                
                
                    (2010)
                
                
                    
                        
                        
                            
                                
                                     Polarization control in ferroelectric PbTiO3 nanorods.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Hoang, Thang Ba; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Zhou, Hailong; 
                        
                    
                        
                            Dasa, Lakshmi Narayana; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2010)
                
                
                    
                        
                        
                            
                                
                                     Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
2009
- 
                
                    
                        
                            Mumm, Florian; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Sikorski, Pawel .
                        
                    
                
                
                    (2009)
                
                
                    
                        
                        
                            
                                
                                     Easy Route to Superhydrophobic Copper-Based Wire-Guided Droplet Microfluidic Systems.
                                
                                
                            
                        
                    
                
                
                    
                         ACS Nano
                    
                    
                
                
                
                    Academic article
2008
- 
                
                    
                        
                            Eberg, Espen; 
                        
                    
                        
                            Monsen, Åsmund Fløystad; 
                        
                    
                        
                            Tybell, Thomas; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holmestad, Randi.
                        
                    
                
                
                    (2008)
                
                
                    
                        
                        
                            
                                
                                     Comparison of TEM specimen preparation of perovskite thin films by tripod polishing and conventional ion milling.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Journal of Electron Microscopy
                    
                
                
                
                    Academic article
2007
- 
                
                    
                        
                            Wang, Guozhong; 
                        
                    
                        
                            Sæterli, Ragnhild; 
                        
                    
                        
                            Rørvik, Per Martin; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Grande, Tor.
                        
                    
                
                
                    (2007)
                
                
                    
                        
                        
                            
                                
                                     Self-assembled growth of PbTiO3 nanoparticles into microspheres and bur-like structures.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Chemistry of Materials
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Marioara, CD; 
                        
                    
                        
                            Andersen, Sigmund; 
                        
                    
                        
                            Stene, Tore; 
                        
                    
                        
                            Hasting, Håkon Stokka; 
                        
                    
                        
                            Walmsley, John C; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2007)
                
                
                    
                        
                        
                            
                                
                                     The effect of Cu on precipitation in Al-Mg-Si alloys.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Philosophical Magazine
                    
                
                
                
                    Academic article
2006
- 
                
                    
                        
                            Knowles, Kevin; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2006)
                
                
                    
                        
                        
                            
                                
                                     Anodic bonding.
                                
                                
                            
                        
                    
                
                
                    
                    
                        International Materials Reviews
                    
                
                
                
                    Academic literature review
2005
- 
                
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Dahl, Øystein; 
                        
                    
                        
                            Soleim, Bjørn Gunnar; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Tybell, Thomas.
                        
                    
                
                
                    (2005)
                
                
                    
                        
                        
                            
                                
                                     Imaging of out-of-plane interfacial strain in epitaxial PbTiO3/SrTiO3 thin films.
                                
                                
                            
                        
                    
                
                
                    
                         Applied Physics Letters
                    
                    
                
                
                
                    Academic article
Journal publications
- 
                
                    
                        
                            Liudi Mulyo, Andreas; 
                        
                    
                        
                            Konno, Yuta; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Weman, Helge.
                        
                    
                
                
                    (2017)
                
                
                    
                        
                        
                            
                                
                                     Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Crystal Growth
                    
                    
                
                
                
                    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
                    
                    
                
                
                
                    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)
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Reinertsen, Johannes F; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Nanotechnology
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Valluvar Oli, Arivazhagan; 
                        
                    
                        
                            Schmitz, F.D.; 
                        
                    
                        
                            Vullum, Per Erik; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holst, Bodil.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Atomic resolution imaging of beryl: an investigation of the nano-channel occupation.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Microscopy
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Erlbeck, Maximilian; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     In situ electronic probing of semiconducting nanowires in an electron microscope.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Microscopy
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Heilmann, Martin; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Sarau, George; 
                        
                    
                        
                            Göbelt, Manuela; 
                        
                    
                        
                            Tessarek, Christian; 
                        
                    
                        
                            Fauske, Vidar Tonaas.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     Vertically Oriented Growth of GaN Nanorods on Si Using Graphene as an Atomically Thin Buffer Layer.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Divitini, Giorgio; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Ducati, Caterina.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     In situ heat-induced replacement of GaAs Nanowires with Au.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Ren, Dingding; 
                        
                    
                        
                            Dheeraj, D.L.; 
                        
                    
                        
                            Jin, Chengjun; 
                        
                    
                        
                            Nilsen, Julie Stene; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Reinertsen, Johannes F.
                        
                    
                
                
                    (2016)
                
                
                    
                        
                        
                            
                                
                                     New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Yun, H.; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Kauko, Hanne.
                        
                    
                
                
                    (2015)
                
                
                    
                        
                        
                            
                                
                                     Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Jones, Lewys; 
                        
                    
                        
                            MacArthur, K.E.; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Nellist, P.D..
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Rapid estimation of catalyst nanoparticle morphology and atomic-coordination by high-resolution Z-contrast electron microscopy.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Huh, Junghwan; 
                        
                    
                        
                            Reinertsen, Johannes F.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Singh, Gurvinder; 
                        
                    
                        
                            Kumar, Puri Anil; 
                        
                    
                        
                            Lundgren, Christopher; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Mathieu, Roland; 
                        
                    
                        
                            Wahlström, Erik.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Tunability in Crystallinity and Magnetic Properties of Core–Shell Fe Nanoparticles.
                                
                                
                            
                        
                    
                
                
                    
                         Particle & Particle Systems Characterization
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Müller, Knut; 
                        
                    
                        
                            Rosenauer, Andreas.
                        
                    
                
                
                    (2014)
                
                
                    
                        
                        
                            
                                
                                     Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Fimland, Bjørn-Ove; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Muller, K.; 
                        
                    
                        
                            Rosenauer, A..
                        
                    
                
                
                    (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
                    
                    
                
                
                
                    Errata
- 
                
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Grieb, Tim; 
                        
                    
                        
                            Bjørge, Ruben; 
                        
                    
                        
                            Schowalter, M.; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Weman, Helge.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Compositional characterization of GaAs/GaAsSb nanowires by quantitative HAADF-STEM.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Micron
                    
                
                
                
                    Academic literature review
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                            Kauko, Hanne; 
                        
                    
                        
                            Zheng, C.L; 
                        
                    
                        
                            Zhu, Y; 
                        
                    
                        
                            Glanvill, S; 
                        
                    
                        
                            Dwyer, Christian; 
                        
                    
                        
                            Munshi, Abdul Mazid.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy.
                                
                                
                            
                        
                    
                
                
                    
                         Applied Physics Letters
                    
                    
                
                
                
                    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
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Christoffersen, Ole Morten; 
                        
                    
                        
                            KIM, DONG CHUL; 
                        
                    
                        
                            Signorello, Giovanni; 
                        
                    
                        
                            Riel, H.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Crystal Growth
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Kauko, Hanne; 
                        
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2013)
                
                
                    
                        
                        
                            
                                
                                     The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Semiconductor Science and Technology
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Munshi, Abdul Mazid; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fauske, Vidar Tonaas; 
                        
                    
                        
                            DONG CHUL, KIM; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2012)
                
                
                    
                        
                        
                            
                                
                                     Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Mjåland, Terje Sund; 
                        
                    
                        
                            Slåttnes, Patrick Rene Tollefsen; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj.
                        
                    
                
                
                    (2012)
                
                
                    
                        
                        
                            
                                
                                     A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Eberg, Espen; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Takahashi, Ryota; 
                        
                    
                        
                            Gass, Mhairi; 
                        
                    
                        
                            Mendis, Budhika; 
                        
                    
                        
                            Bleloch, Andrew.
                        
                    
                
                
                    (2011)
                
                
                    
                        
                        
                            
                                
                                     Electron energy loss spectroscopy investigation of Pb and Ti hybridization with O at the PbTiO3/SrTiO3 interface.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Todorovic, Jelena; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Karlberg, Thomas Andre; 
                        
                    
                        
                            Olk, Phillip; 
                        
                    
                        
                            Dasa Lakshmi Narayana, Dheeraj; 
                        
                    
                        
                            Fimland, Bjørn-Ove.
                        
                    
                
                
                    (2011)
                
                
                    
                        
                        
                            
                                
                                     Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires.
                                
                                
                            
                        
                    
                
                
                    
                         Nanotechnology
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Sæterli, Ragnhild; 
                        
                    
                        
                            Rørvik, Per Martin Ljønes; 
                        
                    
                        
                            You, Chang Chuan; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Tybell, Thomas; 
                        
                    
                        
                            Grande, Tor.
                        
                    
                
                
                    (2010)
                
                
                    
                        
                        
                            
                                
                                     Polarization control in ferroelectric PbTiO3 nanorods.
                                
                                
                            
                        
                    
                
                
                    
                         Journal of Applied Physics
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Hoang, Thang Ba; 
                        
                    
                        
                            Anthonysamy, Fervin Moses; 
                        
                    
                        
                            Ahtapodov, Lyubomir; 
                        
                    
                        
                            Zhou, Hailong; 
                        
                    
                        
                            Dasa, Lakshmi Narayana; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2010)
                
                
                    
                        
                        
                            
                                
                                     Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control.
                                
                                
                            
                        
                    
                
                
                    
                         Nano Letters
                    
                    
                
                
                
                    Academic article
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                            Mumm, Florian; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Sikorski, Pawel .
                        
                    
                
                
                    (2009)
                
                
                    
                        
                        
                            
                                
                                     Easy Route to Superhydrophobic Copper-Based Wire-Guided Droplet Microfluidic Systems.
                                
                                
                            
                        
                    
                
                
                    
                         ACS Nano
                    
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Eberg, Espen; 
                        
                    
                        
                            Monsen, Åsmund Fløystad; 
                        
                    
                        
                            Tybell, Thomas; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holmestad, Randi.
                        
                    
                
                
                    (2008)
                
                
                    
                        
                        
                            
                                
                                     Comparison of TEM specimen preparation of perovskite thin films by tripod polishing and conventional ion milling.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Journal of Electron Microscopy
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Wang, Guozhong; 
                        
                    
                        
                            Sæterli, Ragnhild; 
                        
                    
                        
                            Rørvik, Per Martin; 
                        
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Grande, Tor.
                        
                    
                
                
                    (2007)
                
                
                    
                        
                        
                            
                                
                                     Self-assembled growth of PbTiO3 nanoparticles into microspheres and bur-like structures.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Chemistry of Materials
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Marioara, CD; 
                        
                    
                        
                            Andersen, Sigmund; 
                        
                    
                        
                            Stene, Tore; 
                        
                    
                        
                            Hasting, Håkon Stokka; 
                        
                    
                        
                            Walmsley, John C; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2007)
                
                
                    
                        
                        
                            
                                
                                     The effect of Cu on precipitation in Al-Mg-Si alloys.
                                
                                
                            
                        
                    
                
                
                    
                    
                        Philosophical Magazine
                    
                
                
                
                    Academic article
- 
                
                    
                        
                            Knowles, Kevin; 
                        
                    
                        
                            Van Helvoort, Antonius.
                        
                    
                
                
                    (2006)
                
                
                    
                        
                        
                            
                                
                                     Anodic bonding.
                                
                                
                            
                        
                    
                
                
                    
                    
                        International Materials Reviews
                    
                
                
                
                    Academic literature review
- 
                
                    
                        
                            Van Helvoort, Antonius; 
                        
                    
                        
                            Dahl, Øystein; 
                        
                    
                        
                            Soleim, Bjørn Gunnar; 
                        
                    
                        
                            Holmestad, Randi; 
                        
                    
                        
                            Tybell, Thomas.
                        
                    
                
                
                    (2005)
                
                
                    
                        
                        
                            
                                
                                     Imaging of out-of-plane interfacial strain in epitaxial PbTiO3/SrTiO3 thin films.
                                
                                
                            
                        
                    
                
                
                    
                         Applied Physics Letters
                    
                    
                
                
                
                    Academic article