Jostein Kvaal Grepstad
About
Jostein Grepstad (1951) is Professor at Department of Electronics and Telecommunications, where he is part of the Nanoelectronics and Photonics research group. Professor Grepstad has both his MSc (1975) and a PhD (1982) from Department of Physics, NTH.
Area of expertise
His present research is focused on studies of epitaxial oxide thin films and heterostructures, incl. high-Tc superconductors, ferroelectrics, and ferro-/antiferromagnetic oxides, with special emphasis on domain formation and magnetic coupling in FM/AFM nanostructures. He also has extensive experience in surface and interface analysis with electron spectroscopy and synchrotron radiation techniques.
Recent work experience
- 2010-2011 Visiting scholar, Dept. of Materials Science & Engineering, UC Berkeley, USA
- 2003-2004 Visiting scholar, Dept. of Materials Science & Engineering, UC Berkeley, USA
- 1995-1996 Visiting scholar, Stanford Synchrotron Radiation Laboratory (SSRL), Stanford University, USA
- 1992- Professor, Dept. of Electronics and Telecommunications, NTNU
- 1989-1991 Associate Professor, Dept. of Physical Electronics, NTH
- 1987-1988 Visiting scholar (MER invitè), Dept. of Condensed Matter Physics, University of Geneva, Switzerland
Teaching experience
- Developed and taught several courses at Dept. of Electronics and Telecom-munications, NTNU (formerly Dept. of Physical Electronics, NTH) on semiconductor physics, solid state electronics, photonic devices, superconductivity, nanoimprint lithography (NIL)
- Principal thesis advisor of 8 PhDs (graduated)
- Diploma thesis advisor of 1- 4 MSc students annually in EE/Applied Physics
Recent assignments
-
07-12/2008, 2012-present, Member, Interfaculty committee for MSc studies in nanotechnology
- 2012- Group Leader, the Royal Norwegian Society of Sciences and Letters (DKNVS); Natural Sciences, Gr. VIII Technology
- 2005-2012, Chair, Faculty board of election officials
- 2004-2013, Board member, NTNU NanoLab
- 2002-2003, 2004-2012 Board member, NTNU thematic research area “Materials”
- 2002-2010, Member (NTNU representative), SINTEF council
- 2002-2003, 2004-2009 Vice Dean (research), Faculty of Information Technology, Mathematics and Electrical engineering
- 2003-2008 Board member, Centre of Excellence on “Quantifiable Quality of Service in Communication Systems”
Professional society memberships
- The Royal Norwegian Society of Sciences and Letters (DKNVS)
- The Norwegian Academy of Technical Sciences (NTVA)
- Norwegian Physical Society (NFS)
- American Physical Society (APS)
- American Vacuum Society (AVS)
- Materials Research Society (MRS)
- Institute of Electrical and Electronic Engineering (IEEE)
Publications
2021
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Strømberg, Anders;
Olsen, Fredrik Kjemperud;
Bang, Ambjørn Dahle;
N'diaye, Alpha T.
(2021)
Effects of array shape and disk ellipticity in dipolar-coupled magnetic metamaterials.
Physical review B (PRB)
Academic article
-
Digernes, Einar Standal;
Strømberg, Anders;
Vaz, Carlos A. F.;
Kleibert, Armin;
Grepstad, Jostein;
Folven, Erik.
(2021)
Anisotropy and domain formation in a dipolar magnetic metamaterial.
Applied Physics Letters
Academic article
2020
-
Slöetjes, Samuel Dingeman;
Folven, Erik;
Grepstad, Jostein.
(2020)
Exchange explosions of topological edge defects in a square micromagnet.
Physical review B (PRB)
Academic article
-
Digernes, Einar;
Slöetjes, Samuel Dingeman;
Strømberg, Anders;
Bang, Ambjørn Dahle;
Olsen, Fredrik Kjemperud;
Arenholz, Elke.
(2020)
Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial.
Physical Review Research (PRResearch)
Academic article
-
Olsen, Fredrik Kjemperud;
Bang, Ambjørn Dahle;
Digernes, Einar;
Slöetjes, Samuel Dingeman;
Andreas, Scholl;
Chopdekar, Rajesh V..
(2020)
Enhanced magnetic signal along edges of embedded epitaxial La0.7Sr0.3MnO3 nanostructures.
Journal of Magnetism and Magnetic Materials
Academic article
2019
-
Bang, Ambjørn Dahle;
Hallsteinsen, Ingrid;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Retterer, Scott T;
Scholl, Andreas.
(2019)
Neel vector reorientation in ferromagnetic/antiferromagnetic complex oxide nanostructures.
Applied Physics Letters
Academic article
-
Bang, Ambjørn Dahle;
Hallsteinsen, Ingrid;
Chopdekar, Rajesh V.;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Kjærnes, Kristoffer.
(2019)
Shape-imposed anisotropy in antiferromagnetic complex oxide nanostructures.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Klewe, Christoph;
Shafer, Padraic;
Li, Qian;
Yang, M..
(2019)
Effects of lattice geometry on the dynamic properties of dipolar-coupled magnetic nanodisk arrays.
Physical review B (PRB)
Academic article
2018
-
Bang, Ambjørn Dahle;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Scholl, Andreas;
Retterer, Scott T.;
Vaz, Carlos.
(2018)
Magnetic domain formation in ultrathin complex oxide ferromagnetic/antiferromagnetic bilayers.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Olsen, Fredrik Kjemperud;
Chopdekar, Rajesh V.;
Retterer, Scott T.;
Folven, Erik.
(2018)
Interplay between bulk and edge-bound topological defects in a square micromagnet.
Applied Physics Letters
Academic article
2017
-
Slöetjes, Samuel Dingeman;
Urdahl, Hans Henrik;
Grepstad, Jostein;
Folven, Erik.
(2017)
Tailoring the magnetic order in a supermagnetic metamaterial.
AIP Advances
Academic article
-
Calabrese, G;
Pettersen, Sverre Vegard;
Pfuller, C;
Ramsteiner, M;
Grepstad, Jostein;
Brandt, O.
(2017)
Effect of surface roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils.
Nanotechnology
Academic article
-
Lee, Michael S.;
Wynn, Thomas A.;
Folven, Erik;
Chopdekar, Rajesh V.;
Scholl, Andreas;
Retterer, Scott.
(2017)
Temperature and Orientation Dependent Exchange Coupling in Epitaxial Oxide Micromagnets.
PHYSICAL REVIEW MATERIALS
Academic article
-
Hallsteinsen, Ingrid;
Moreau, Magnus;
Chopdekar, R.V.;
Christiansen, Emil;
Nord, Magnus Kristofer;
Vullum, Per Erik.
(2017)
Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films.
APL Materials
Academic article
-
Hallsteinsen, Ingrid;
Tybell, Per Thomas Martin;
Grepstad, Jostein.
(2017)
Geometrical lattice engineering of oxide interfaces.
NTNU
Doctoral dissertation
2016
-
Lee, Michael S;
Wynn, Thomas A;
Folven, Erik;
Chopdekar, Rajesh V.;
Scholl, Andreas;
Young, Anthony T.
(2016)
Tailoring Spin Textures in Complex Oxide Micromagnets.
ACS Nano
Academic article
-
Hallsteinsen, Ingrid;
Moreau, Magnus;
Grutter, A;
Nord, Martin;
Vullum, Per Erik;
Gilbert, DA.
(2016)
Concurrent magnetic and structural reconstructions at the interface of (111)-oriented L a0.7 S r0.3Mn O3/LaFe O3.
Physical Review B. Condensed Matter and Materials Physics
Academic article
2015
-
Hallsteinsen, Ingrid;
Folven, Erik;
Olsen, Fredrik Kjemperud;
Chopdekar, R.V.;
Rzchowski, M;
Eom, C.B..
(2015)
Crystalline symmetry controlled magnetic switching in epitaxial (111) La0.7Sr0.3MnO3 thin films.
APL Materials
Academic article
-
Folven, Erik;
Linder, Jacob;
Gomonay, Helen V.;
Scholl, Andreas;
Doran, Andrew;
Young, Anthony.
(2015)
Controlling the switching field in nanomagnets by means of domain-engineered antiferromagnets.
Physical Review B. Condensed Matter and Materials Physics
Academic article
2013
-
Grepstad, Jostein;
Tybell, Thomas;
Fossheim, Kristian Johan;
Sudbø, Asle;
Hemmer, Per Christian.
(2013)
In Memoriam: Øystein H. Fischer.
Fra Fysikkens Verden
Book review
-
Brataas, Arne;
Mathiesen, Ragnvald;
Grande, Tor;
Roven, Hans Jørgen;
Grepstad, Jostein;
Echtermeyer, Andreas.
(2013)
Enabling technologies at NTNU; materials science and engineering.
NTNU
Report
-
Hallsteinsen, Ingrid;
Boschker, Jos Emiel;
Nord, Magnus Kristofer;
Lee, S;
Rzchowski, M;
Vullum, Per Erik.
(2013)
Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3.
Journal of Applied Physics
Academic article
-
Boschker, Jos Emiel;
Monsen, Åsmund Fløystad;
Nord, Magnus Kristofer;
Mathieu, Roland;
Grepstad, Jostein;
Holmestad, Randi.
(2013)
In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films.
Philosophical Magazine
Academic article
-
Weigand, Christian Carl;
Crisp, Ryan;
Ladam, Cecile;
Furtak, Tom;
Collins, Reuben;
Grepstad, Jostein.
(2013)
Electrical, optical and structural properties of Al-doped ZnO thin films grown on GaAs(111)B substrates by pulsed laser deposition.
Thin Solid Films
Academic article
-
Takamura, Yayoi;
Folven, Erik;
Shu, JBR;
Lukes, KR;
Li, Binzhi;
Scholl, Andreas.
(2013)
Spin-Flop Coupling and Exchange Bias in Embedded Complex Oxide Micromagnets.
Physical Review Letters
Academic article
2012
-
Weigand, Christian Carl;
Weman, Helge;
Grepstad, Jostein.
(2012)
ZnO nanostructures grown by pulsed laser deposition.
NTNU-trykk
Doctoral dissertation
-
Boschker, Jos Emiel;
Folven, Erik;
Monsen, Åsmund Fløystad;
Wahlström, Erik;
Grepstad, Jostein;
Tybell, Thomas.
(2012)
Consequences of High Adatom Energy during Pulsed Laser Deposition of La0.7Sr0.3MnO3.
Crystal Growth & Design
Academic article
-
Weigand, Christian Carl;
Tveit, Johannes;
Ladam, Cecile;
Holmestad, Randi;
Grepstad, Jostein;
Weman, Helge.
(2012)
Epitaxial relationships of ZnO nanostructures grown by Au-assisted pulsed laser deposition on c- and a-plane sapphire.
Journal of Crystal Growth
Academic article
-
Folven, Erik;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott;
Boschker, Jos Emiel;
Tybell, Thomas.
(2012)
Crossover from spin-flop coupling to collinear spin alignment in antiferromagnetic/ferromagnetic thin film nanostructures.
Nano Letters
Academic article
-
Tanaka, Ryohei;
Takata, Shozo;
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas;
Matsumoto, Yuji.
(2012)
Photo-electrochemical synthesis of silver-oxide clathrate Ag7O8NO3.
Electrochemical and solid-state letters
Academic article
-
Folven, Erik;
Takamura, Yayoi;
Grepstad, Jostein.
(2012)
X-PEEM study of antiferromagnetic domain patterns in LaFeO3 thin films and embedded nanostructures.
Journal of Electron Spectroscopy and Related Phenomena
Academic article
2011
-
Weigand, Christian Carl;
Bergren, M.R.;
Ladam, Cecile;
Tveit, Johannes;
Holmestad, Randi;
Vullum, Per Erik.
(2011)
Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition.
Crystal Growth & Design
Academic article
-
Weigand, Christian Carl;
Skåre, Daniel;
Ladam, Cecile;
Grepstad, Jostein;
Weman, Helge.
(2011)
Effects of substrate annealing on the gold-catalyzed growth of ZnO nanostructures.
Nanoscale Research Letters
Academic article
-
Boschker, Jos Emiel;
Folkman, Chad;
Bark, C.W.;
Monsen, Åsmund Fløystad;
Folven, Erik;
Grepstad, Jostein.
(2011)
Structural coupling across the LaAlO3/SrTiO3 interface: High-resolution x-ray diffraction study.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Folven, Erik;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott;
Boschker, Jos Emiel;
Tybell, Thomas.
(2011)
Effects of nanostructuring and substrate symmetry on antiferromagnetic domain structure in LaFeO3 thin films.
Physical Review B. Condensed Matter and Materials Physics
Academic article
2010
-
Nordseth, Ørnulf;
You, Chang Chuan;
Folven, Erik;
Gariglio, S;
Sambri, A;
Triscone, JM.
(2010)
Growth and characterization of (Pb,La)(Zr,Ti)O-3 thin film epilayers on SrTiO3-buffered Si(001).
Thin Solid Films
Academic article
-
Takahashi, Ryota;
Valset, K.;
Folven, Erik;
Eberg, Espen;
Grepstad, Jostein;
Tybell, Thomas.
(2010)
Long-range spontaneous structural ordering in barium stannate thin films.
Applied Physics Letters
Academic article
-
Folven, Erik;
Tybell, Thomas;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott T;
Takamura, Yayoi.
(2010)
Antiferromagnetic Domain Reconfiguration in Embedded LaFeO3 Thin Film Nanostructures.
Nano Letters
Academic article
-
Tanaka, R;
Takata, S;
Katayama, M;
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas.
(2010)
Photocatalytic synthesis of Silver-Oxide clathrate Ag6O8AgNO3.
Journal of the Electrochemical Society
Academic article
-
Takahashi, Ryota;
Katayama, M;
Dahl, Øystein;
Grepstad, Jostein;
Matsumoto, Y;
Tybell, Thomas.
(2010)
Erratum: “Epilayer control of photodeposited materials during UV photocatalysis” [Appl. Phys. Lett. 94, 232901 (2009)].
Applied Physics Letters
Errata
2009
-
Dahl, Øystein;
Grepstad, Jostein;
Tybell, Thomas.
(2009)
Polarization direction and stability in ferroelectric lead titanate thin films.
Journal of Applied Physics
Academic article
-
Nordseth, Ørnulf;
Kjellman, Jon Øyvind;
You, Chang Chuan;
Røyset, Arne Karstein;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
The case for electro-optic waveguide devices from ferroelectric (Pb,La)(Zr,Ti)O3 thin film epilayers.
Proceedings of SPIE, the International Society for Optical Engineering
Academic article
-
Nordseth, Ørnulf;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
Epitaxial (Pb,La)(ZrTi)O3 thin films on buffered Si(100) by on-axis radio frequency magnetron sputtering.
Thin Solid Films
Academic article
-
Weigand, Christian Carl;
Bergren, Matt;
Ladam, Cecile;
Vullum, Per Erik;
Walmsley, John C;
Fagerberg, Ragnar.
(2009)
Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition.
Materials Research Society Symposium Proceedings
Academic article
-
You, Chang Chuan;
Takahashi, Ryota;
Borg, Anne;
Grepstad, Jostein;
Tybell, Thomas.
(2009)
The fabrication and chracterization of PbTiO3 nanomesas realized on nanostructured SrRuO3/SrTiO3 templates.
Nanotechnology
Academic article
-
Takahashi, Ryota;
Katayama, M;
Dahl, Øystein;
Grepstad, Jostein;
Matsumoto, Yuji;
Tybell, Thomas.
(2009)
Epilayer control of photodeposited materials during UV photocatalysis.
Applied Physics Letters
Academic article
-
Nordseth, Ørnulf;
Røyset, Arne;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
Sputter-deposited (Pb,La) (Zr,Ti)O3 thin films: Effect of substrate and optical properties.
Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films
Academic article
2008
-
Weigand, Christian Carl;
Bergren, Matt;
Valset, Kjetil;
Carey, David;
Fagerberg, Ragnar;
Ladam, Cecile.
(2008)
Characterization of ZnO Layers Grown by Pulsed Laser Deposition for Hybrid Inorganic/Organic Solar Cells.
Academic chapter/article/Conference paper
-
Dahl, Øystein;
Grepstad, Jostein;
Tybell, Thomas.
(2008)
Crystalline and dielectric properties of sputter deposited PbTiO3 thin films.
Journal of Applied Physics
Academic article
-
Takahashi, Ryota;
Dahl, Øystein;
Eberg, Espen;
Grepstad, Jostein;
Tybell, Thomas.
(2008)
Ferroelectric stripe-domains in PbTiO3 thin films: depolarization field and domain randomness.
Journal of Applied Physics
Academic article
-
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas;
Matsumoto, Yuji.
(2008)
Photochemical switching of ultrathin PbTiO3 films.
Applied Physics Letters
Academic article
2007
-
Pettersen, Sverre V;
Grepstad, Jostein.
(2007)
Investigation of Contact Metallizations for GaN Devices; Fabrication and measurement of a GaN SAW Resonator.
NTNU
Doctoral dissertation
-
Pettersen, Sverre Vegard;
Grande, AP;
Tybell, Thomas;
Riechert, H;
Averbeck, R;
Grepstad, Jostein.
(2007)
Formation and electronic properties of oxygen annealed Au/Ni and Pt/Ni contacts to p-type GaN.
Semiconductor Science and Technology
Academic article
-
Grepstad, Jostein.
(2007)
Utslippstonna er på bordet, Gjengset.
Adresseavisen
Reader opinion piece
-
Grepstad, Jostein.
(2007)
Refleksjoner rundt forskningspolitikken.
Universitetsavisa
Reader opinion piece
2006
-
Nordseth, Ørnulf;
Tybell, Thomas;
Grepstad, Jostein.
(2006)
Simulation of Photonic Band Gap Waveguides in Lead-Lanthanum Zirconate-Titanate.
Academic chapter/article/Conference paper
-
Takamura, Yayoi;
Chopdekar, Rajesh V.;
Grepstad, Jostein;
Suzuki, Yuri;
Marshall, Ann F.;
Vailionis, A.
(2006)
Thickness-dependent properties of (110)-oriented La1.2Sr1.8Mn2O7 thin films.
Journal of Applied Physics
Academic article
2005
-
Bernstein, Ralph W.;
Grepstad, Jostein;
Kuznetsov, Andrej;
Skjeltorp, Arne T..
(2005)
"Materialer for mikrosystemer"; innspill til FUNMAT strategi.
SINTEF IKT
Report
-
Kumar, Sarin Annakat K;
Dahl, Øystein;
Pettersen, Sverre Vegard;
Grepstad, Jostein;
Tybell, Thomas.
(2005)
Characterization of Crystalline Pb0.92La0.08Zr0.4Ti0.6O3 Thin Films Grown by Off-Axis Magnetron Sputtering.
Thin Solid Films
Academic article
-
Takamura, Yayoi;
Grepstad, Jostein;
Chopdekar, Rajesh V.;
Marshall, Ann F.;
Zheng, H.;
Mitchell, John F..
(2005)
Structural, Magnetic, and Electronic Properties of (110)-Oriented Epitaxial Thin Films of the Bilayer Manganite La1.2Sr1.8Mn2O7.
Applied Physics Letters
Academic article
-
Grepstad, Jostein;
Takamura, Yayoi;
Scholl, Andreas;
Hole, Ingebrigt;
Suzuki, Yuri;
Tybell, Thomas.
(2005)
Effects of thermal annealing in oxygen on the antiferromagnetic order and domain structure of epitaxial LaFeO3 thin films.
Thin Solid Films
Academic article
2004
-
Grepstad, Jostein.
(2004)
Thomas Tybell.
Fra Fysikkens Verden
Short communication
2003
-
Hole, Ingebrigt;
Tybell, Thomas;
Wærnhus, Ivar;
Grande, Tor;
Wiik, Kjell;
Grepstad, Jostein.
(2003)
High temperature transport kinetics in heteroepitaxial LaFeO3 thin films.
Solid-State Electronics
Academic article
1999
-
Heinlein, Christian;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Berge, Torunn.
(1999)
Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation.
Journal of Vacuum Science & Technology B
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Fimland, Bjørn-Ove;
Berge, Torunn.
(1999)
Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation.
Journal of Crystal Growth
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Riechert, Henning;
Averbeck, Robert.
(1999)
Radio frequency plasma nitridation of c-plane sapphire; influence on properties of GaN grown by molecular beam epitaxy.
Materials Science & Engineering: B. Solid-state Materials for Advanced Technology
Academic article
-
Torvik, John T.;
Leksono, M. W.;
Pankove, J. I.;
Heinlein, Christian;
Grepstad, Jostein;
Magee, C..
(1999)
Interfacial effects during GaN growth on 6H-SiC.
Journal of Electronic Materials
Academic article
1998
-
Heinlein, Christian;
Grepstad, Jostein.
(1998)
Aspects of III-V Compound Semiconductor Molecular Beam Epitaxy; Sapphire Substrate Nitridation for GaN Growth and Selective Area Regrowth of GaAs Using Arsenic Capping.
FYS.EL.-rapport (14)
Doctoral dissertation
-
Grepstad, Jostein.
(1998)
Personvern til besvær for studieavdelingen.
Universitetsavisa
Feature article
-
Grepstad, Jostein.
(1998)
Den sentrale fagevaluering; uten konsesjon og uten personvern.
Universitetsavisa
Feature article
-
Heinlein, Christian;
Grepstad, Jostein;
Einfeldt, Sven;
Hommel, Detlef;
Berge, Torunn;
Grande, Alf P..
(1998)
Preconditioning of c-plane sapphire for GaN molecular beam epitaxy by electron cyclotron resonance plasma nitridation.
Journal of Applied Physics
Academic article
1997
-
Heinlein, Christian;
Grepstad, Jostein;
Riechert, Henning;
Averbeck, Robert.
(1997)
Plasma preconditioning of sapphire substrate for GaN epitaxy.
Materials Science & Engineering: B. Solid-state Materials for Advanced Technology
Academic article
-
Gong, Zhenghong;
Rønnekleiv, Arne;
Grepstad, Jostein.
(1997)
Performance of a surface acoustic wave filter with YBa%c-Cu%d-O%h-_b superconducting.
Physica. C, Superconductivity
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Berge, Torunn;
Riechert, Henning.
(1997)
Preconditioning of c-plane sapphire for GaN epitaxy by radio frequency plasma nitridation.
Applied Physics Letters
Academic article
-
Ma, Qing;
Rosenberg, R.A.;
Kim, Changyoung;
Grepstad, Jostein;
Pianetta, P.;
Droubay, T..
(1997)
Comparative magnetic-field imaging, electric-field imaging, and scanni ng Auger microscopy study of metal-matrix composites.
Journal of Electron Spectroscopy and Related Phenomena
Academic article
-
Ma, Qing;
Rosenberg, Richard A.;
Kim, Changyoung;
Grepstad, Jostein;
Pianetta, Piero.
(1997)
Microscopic chemical state identification of a silicon-carbide fiber b y soft X-ray photoabsorption spectroscopy.
Applied Physics Letters
Academic article
1996
-
Gong, Zhenghong;
Grepstad, Jostein;
Andersen, S.;
Bardal, A..
(1996)
Microstructure of YBa%cCu%dO%h-_d/Ag bilayers grown in situ on step-edge SiTiO%d substrates.
Materials Research Society
Academic chapter/article/Conference paper
-
Grepstad, Jostein.
(1996)
Mammografi uten røntgen.
Teknisk Ukeblad
Popular scientific article
-
Fagerberg, Ragnar;
Stokke, Hans Erik;
Grepstad, Jostein.
(1996)
Impact of a normally conducting surface layer on attenuation in high-Tc superconducting microstrip transmission lines.
IEEE Transactions on Applied Superconductivity (TAS)
Academic article
1995
-
Grepstad, Jostein.
(1995)
TU, stråling og store tall.
Teknisk Ukeblad
Feature article
-
Gong, Zhenghong;
Grepstad, Jostein;
Fagerberg, Ragnar.
(1995)
The YBCO(001)/Ag Interface; Correlation between Specific Contact Resistance and Interfacial Microstructure.
IEEE Transactions on Applied Superconductivity (TAS)
Academic article
1994
-
Husby, Haldor;
Grepstad, Jostein;
Bernstein, Ralph W..
(1994)
AlxGa1-x microelectronic device processing using an arsenic capping layer.
TF-rapport (19/94)
Report
-
Fagerberg, Ragnar;
Grepstad, Jostein.
(1994)
Temperature Dependent Kinetic Inductance of YBa2CuO7-x Thin Films Predicted by the Coupled-Grain Model in the Strong-Coupling Limit.
Journal of Applied Physics
Academic article
-
Husby, Haldor;
Bernstein, Ralph W.;
Grepstad, Jostein.
(1994)
Photolithographic Patterning of Protective Arsenic Capping on MBE-Grown AlxGa1-xAs(001).
Applied Physics Letters
Academic article
-
Grepstad, Jostein;
Husby, Haldor;
Borg, Anne;
Fimland, Bjørn-Ove;
Bernstein, Ralph W.;
Nyholm, Ralf.
(1994)
As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication.
Physica scripta. Topical Issues
Academic article
1993
-
Grepstad, Jostein;
Fimland, Bjørn-Ove;
et al., [Mangler fornavn].
(1993)
Reconstruction-dependent reactivity and electronic barrier formation at Al/MBE-grown GaAs(001) interfaces.
MAX-lab Activity Report
Non-fiction book
-
Vassenden, Frode;
Grepstad, Jostein.
(1993)
Characterization of YBa2Cu3O7-x Thin Films with Emphasis on Surface Properties.
FYS.EL.-rapport (3)
Doctoral dissertation
-
Gong, Zhenghong;
Vassenden, Frode;
Fagerberg, Ragnar;
Grepstad, Jostein;
Bardal, Asgeir;
Høier, Ragnvald.
(1993)
Processing Dependence of the Interfacial Microstructure of Ag Contacts to YBa2Cu3O7-x Thin Films.
Applied Physics Letters
Academic article
1992
-
Fagerberg, Ragnar;
Grepstad, Jostein.
(1992)
Synthesis and characterization of YBa2Cu3O7-x thin films.
Doktor ingeniøravhandling
Doctoral dissertation
-
Fagerberg, Ragnar;
Vassenden, Frode;
Gong, Zhenghong;
Grepstad, Jostein.
(1992)
Lithographic Processing of YBa2Cu3O7 Thin Films; Impact on Electrical Contacts.
Journal of Applied Physics
Academic article
-
Gong, Zhenghong;
Fagerberg, Ragnar;
Vassenden, Frode;
Høier, Ragnvald;
Grepstad, Jostein.
(1992)
TEM Study of Ag Contacts to a- and c-Axis Oriented YBa2Cu3O7 Thin Films.
Applied Physics Letters
Academic article
-
Bernstein, Ralph W.;
Borg, Anne;
Husby, Haldor;
Fimland, Bjørn-Ove;
Grepstad, Jostein.
(1992)
Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED.
Applied Surface Science
Academic article
1991
-
Borg, A.;
Grepstad, Jostein;
Bernstein, R.W.;
Husby, H.;
Fimland, Bjørn-Ove.
(1991)
Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces.
SINTEF Rapport
Report
-
Borg, A.;
Husby, H.;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Bernstein, R.W.;
Nyholm, R..
(1991)
Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces.
Annual activity report
Report
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar;
Qiu, S.L..
(1991)
K Promoted Oxidation of Al and Ta.
Surface Science
Academic article
-
Braaten, Nils A.;
Borg, Anne;
Grepstad, Jostein;
Raaen, Steinar;
Ruckman, M.W..
(1991)
Oxygen K Near-Edge-Structure for Thin Ce Oxide Films.
Solid State Communications
Academic article
-
Fagerberg, Ragnar;
Vassenden, Frode;
Gong, Zhenghong;
Tuset, Pål;
Grepstad, Jostein.
(1991)
Influence of Process Induced Surface Impurities on Electrical Contacts to YBa2Cu3O7 Thin Films.
Physica. C, Superconductivity
Academic article
1990
-
Borg, A.;
Bernstein, R.W.;
Husby, H.;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Karlsson, U.O..
(1990)
Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001).
Annual activity report
Report
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1990)
Chemical Aspects of GaAs Device Processing; an X-ray Photoelectron Spectroscopy Investigation.
FYS.EL.-rapport (4)
Doctoral dissertation
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1990)
Removal of the Surface Contamination Layer from CF4 Plasma Etched GaAs(001) Substrate by Thermal Annealing in Hydrogen.
Journal of Applied Physics
Academic article
-
Raaen, Steinar;
Braaten, Nils A.;
Grepstad, Jostein;
Qiu, S.L..
(1990)
Enhanced Oxidation of Aluminium; Effects of Thin Cerium Overlayers.
Physica Scripta
Academic article
-
Niedermann, Philipp;
Grande, Alf P.;
Grepstad, Jostein;
Triscone, Jean-Marc;
Karkut, Michael G.;
Brunner, Olivier.
(1990)
XPS Study of Thin Ag Overlayers on YBa2Cu3O7-x; Effects of Oxygen Annealing.
Journal of Applied Physics
Academic article
1989
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1989)
XPS Intensity Analysis for Assessment of Thickness and Composition of Thin Overlayer Films; Application to Chemically Etched GaAs(100) Surfaces.
Surface and Interface Analysis
Academic article
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1989)
GaAs(100) Substrate Cleaning by Thermal Annealing in Hydrogen.
Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films
Academic article
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar.
(1989)
Effects of Thin Cerium Overlayers on the Oxidation of Tantalum and Aluminium.
Surface Science
Academic article
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar.
(1989)
Photoemission Study of Formation and Oxidation of a Mixed Ce-Cu Interface.
Physical Review B. Condensed Matter and Materials Physics
Academic article
1988
-
Braaten, Nils A.;
Raaen, Steinar;
Grepstad, Jostein.
(1988)
Oxidation of Transition Metal - Rare Earth Interfaces.
Physica Scripta
Academic article
-
Stöcker, Michael;
Jens, K.-J.;
Riis, T.;
Grepstad, Jostein.
(1988)
Characterization of Ni-Exchanged Montmorillonites by X-ray Photoelectron Spectroscopy.
Journal of the Chemical Society, Faraday Transactions
Academic article
-
Stöcker, Michael;
Grepstad, Jostein;
Lillerud, K.P..
(1988)
X-ray Photoelectron Spectroscopy Studies of Chabazite Type Zeolites.
Catalysis Today
Academic article
-
Fjellvåg, Helmer;
Karen, P;
Kjekshus, Arne;
Grepstad, Jostein.
(1988)
On the Properties of the YBa8Cu4O12-x Phase.
Acta Chemica Scandinavica
Academic article
-
Grepstad, Jostein;
Niedermann, Philipp;
Triscone, Jean-Marc;
Antognazza, Louis;
Karkut, Michael G.;
Fischer, Øystein.
(1988)
Segregation, Interface Reactions, and Surface Topography of YBa2Cu3O7-x Thin Films, Investigated by Auger Depth Profiling, Microprobe Analysis, STM, and SEM.
Physica. C, Superconductivity
Academic article
1987
-
Fjellvåg, Helmer;
Karen, P;
Kjekshus, Arne;
Grepstad, Jostein.
(1987)
X-ray Photoelectron Spectroscopy Study of Y2BaCuO5 and YBa2Cu3O7-x.
Solid State Communications
Academic article
1986
-
Stöcker, Michael;
Hemmersbach, Peter;
Ræder, J;
Grepstad, Jostein.
(1986)
Isomerization of n-Butane over Zeolites Depending on Catalyst Structure.
Applied Catalysis
Academic article
1983
-
Slagsvold, Bjørn J.;
Grepstad, Jostein;
Gartland, Per Olav.
(1983)
Damping Effects in Angular Resolved Ultraviolat Photoemission Spectroscopy on Cu(111).
Physica scripta. Topical Issues
Academic article
1982
-
Grepstad, Jostein;
Slagsvold, Bjørn J.;
Bartos, Igor.
(1982)
Band Structure Dependent Damping in Photoemission from Copper.
Journal of Physics: Condensed Matter
Academic article
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1982)
Experimental Observation of Direct Transitions in Angle Resolved UV Photoemission from the Al(111) Surface.
Physica Scripta
Academic article
1981
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1981)
Experimental Investigation of Final State Band Structure Effects and Excitation Mechanisms in Photoemission from Copper and Aluminium Single Crystals.
Dept. of Physics, NTNU
Doctoral dissertation
1980
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1980)
Final State Bandgap Effects in UV Photoemission from Cu(111).
Solid State Communications
Academic article
1976
-
Grepstad, Jostein;
Gartland, Per Olav;
Slagsvold, Bjørn J..
(1976)
Anisotropic Work Function of Clean and Smooth Low-Index Faces of Aluminium.
Surface Science
Academic article
Journal publications
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Strømberg, Anders;
Olsen, Fredrik Kjemperud;
Bang, Ambjørn Dahle;
N'diaye, Alpha T.
(2021)
Effects of array shape and disk ellipticity in dipolar-coupled magnetic metamaterials.
Physical review B (PRB)
Academic article
-
Digernes, Einar Standal;
Strømberg, Anders;
Vaz, Carlos A. F.;
Kleibert, Armin;
Grepstad, Jostein;
Folven, Erik.
(2021)
Anisotropy and domain formation in a dipolar magnetic metamaterial.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Folven, Erik;
Grepstad, Jostein.
(2020)
Exchange explosions of topological edge defects in a square micromagnet.
Physical review B (PRB)
Academic article
-
Digernes, Einar;
Slöetjes, Samuel Dingeman;
Strømberg, Anders;
Bang, Ambjørn Dahle;
Olsen, Fredrik Kjemperud;
Arenholz, Elke.
(2020)
Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial.
Physical Review Research (PRResearch)
Academic article
-
Olsen, Fredrik Kjemperud;
Bang, Ambjørn Dahle;
Digernes, Einar;
Slöetjes, Samuel Dingeman;
Andreas, Scholl;
Chopdekar, Rajesh V..
(2020)
Enhanced magnetic signal along edges of embedded epitaxial La0.7Sr0.3MnO3 nanostructures.
Journal of Magnetism and Magnetic Materials
Academic article
-
Bang, Ambjørn Dahle;
Hallsteinsen, Ingrid;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Retterer, Scott T;
Scholl, Andreas.
(2019)
Neel vector reorientation in ferromagnetic/antiferromagnetic complex oxide nanostructures.
Applied Physics Letters
Academic article
-
Bang, Ambjørn Dahle;
Hallsteinsen, Ingrid;
Chopdekar, Rajesh V.;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Kjærnes, Kristoffer.
(2019)
Shape-imposed anisotropy in antiferromagnetic complex oxide nanostructures.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Klewe, Christoph;
Shafer, Padraic;
Li, Qian;
Yang, M..
(2019)
Effects of lattice geometry on the dynamic properties of dipolar-coupled magnetic nanodisk arrays.
Physical review B (PRB)
Academic article
-
Bang, Ambjørn Dahle;
Olsen, Fredrik Kjemperud;
Slöetjes, Samuel Dingeman;
Scholl, Andreas;
Retterer, Scott T.;
Vaz, Carlos.
(2018)
Magnetic domain formation in ultrathin complex oxide ferromagnetic/antiferromagnetic bilayers.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Digernes, Einar;
Olsen, Fredrik Kjemperud;
Chopdekar, Rajesh V.;
Retterer, Scott T.;
Folven, Erik.
(2018)
Interplay between bulk and edge-bound topological defects in a square micromagnet.
Applied Physics Letters
Academic article
-
Slöetjes, Samuel Dingeman;
Urdahl, Hans Henrik;
Grepstad, Jostein;
Folven, Erik.
(2017)
Tailoring the magnetic order in a supermagnetic metamaterial.
AIP Advances
Academic article
-
Calabrese, G;
Pettersen, Sverre Vegard;
Pfuller, C;
Ramsteiner, M;
Grepstad, Jostein;
Brandt, O.
(2017)
Effect of surface roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils.
Nanotechnology
Academic article
-
Lee, Michael S.;
Wynn, Thomas A.;
Folven, Erik;
Chopdekar, Rajesh V.;
Scholl, Andreas;
Retterer, Scott.
(2017)
Temperature and Orientation Dependent Exchange Coupling in Epitaxial Oxide Micromagnets.
PHYSICAL REVIEW MATERIALS
Academic article
-
Hallsteinsen, Ingrid;
Moreau, Magnus;
Chopdekar, R.V.;
Christiansen, Emil;
Nord, Magnus Kristofer;
Vullum, Per Erik.
(2017)
Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films.
APL Materials
Academic article
-
Lee, Michael S;
Wynn, Thomas A;
Folven, Erik;
Chopdekar, Rajesh V.;
Scholl, Andreas;
Young, Anthony T.
(2016)
Tailoring Spin Textures in Complex Oxide Micromagnets.
ACS Nano
Academic article
-
Hallsteinsen, Ingrid;
Moreau, Magnus;
Grutter, A;
Nord, Martin;
Vullum, Per Erik;
Gilbert, DA.
(2016)
Concurrent magnetic and structural reconstructions at the interface of (111)-oriented L a0.7 S r0.3Mn O3/LaFe O3.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Hallsteinsen, Ingrid;
Folven, Erik;
Olsen, Fredrik Kjemperud;
Chopdekar, R.V.;
Rzchowski, M;
Eom, C.B..
(2015)
Crystalline symmetry controlled magnetic switching in epitaxial (111) La0.7Sr0.3MnO3 thin films.
APL Materials
Academic article
-
Folven, Erik;
Linder, Jacob;
Gomonay, Helen V.;
Scholl, Andreas;
Doran, Andrew;
Young, Anthony.
(2015)
Controlling the switching field in nanomagnets by means of domain-engineered antiferromagnets.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Grepstad, Jostein;
Tybell, Thomas;
Fossheim, Kristian Johan;
Sudbø, Asle;
Hemmer, Per Christian.
(2013)
In Memoriam: Øystein H. Fischer.
Fra Fysikkens Verden
Book review
-
Hallsteinsen, Ingrid;
Boschker, Jos Emiel;
Nord, Magnus Kristofer;
Lee, S;
Rzchowski, M;
Vullum, Per Erik.
(2013)
Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3.
Journal of Applied Physics
Academic article
-
Boschker, Jos Emiel;
Monsen, Åsmund Fløystad;
Nord, Magnus Kristofer;
Mathieu, Roland;
Grepstad, Jostein;
Holmestad, Randi.
(2013)
In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films.
Philosophical Magazine
Academic article
-
Weigand, Christian Carl;
Crisp, Ryan;
Ladam, Cecile;
Furtak, Tom;
Collins, Reuben;
Grepstad, Jostein.
(2013)
Electrical, optical and structural properties of Al-doped ZnO thin films grown on GaAs(111)B substrates by pulsed laser deposition.
Thin Solid Films
Academic article
-
Takamura, Yayoi;
Folven, Erik;
Shu, JBR;
Lukes, KR;
Li, Binzhi;
Scholl, Andreas.
(2013)
Spin-Flop Coupling and Exchange Bias in Embedded Complex Oxide Micromagnets.
Physical Review Letters
Academic article
-
Boschker, Jos Emiel;
Folven, Erik;
Monsen, Åsmund Fløystad;
Wahlström, Erik;
Grepstad, Jostein;
Tybell, Thomas.
(2012)
Consequences of High Adatom Energy during Pulsed Laser Deposition of La0.7Sr0.3MnO3.
Crystal Growth & Design
Academic article
-
Weigand, Christian Carl;
Tveit, Johannes;
Ladam, Cecile;
Holmestad, Randi;
Grepstad, Jostein;
Weman, Helge.
(2012)
Epitaxial relationships of ZnO nanostructures grown by Au-assisted pulsed laser deposition on c- and a-plane sapphire.
Journal of Crystal Growth
Academic article
-
Folven, Erik;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott;
Boschker, Jos Emiel;
Tybell, Thomas.
(2012)
Crossover from spin-flop coupling to collinear spin alignment in antiferromagnetic/ferromagnetic thin film nanostructures.
Nano Letters
Academic article
-
Tanaka, Ryohei;
Takata, Shozo;
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas;
Matsumoto, Yuji.
(2012)
Photo-electrochemical synthesis of silver-oxide clathrate Ag7O8NO3.
Electrochemical and solid-state letters
Academic article
-
Folven, Erik;
Takamura, Yayoi;
Grepstad, Jostein.
(2012)
X-PEEM study of antiferromagnetic domain patterns in LaFeO3 thin films and embedded nanostructures.
Journal of Electron Spectroscopy and Related Phenomena
Academic article
-
Weigand, Christian Carl;
Bergren, M.R.;
Ladam, Cecile;
Tveit, Johannes;
Holmestad, Randi;
Vullum, Per Erik.
(2011)
Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition.
Crystal Growth & Design
Academic article
-
Weigand, Christian Carl;
Skåre, Daniel;
Ladam, Cecile;
Grepstad, Jostein;
Weman, Helge.
(2011)
Effects of substrate annealing on the gold-catalyzed growth of ZnO nanostructures.
Nanoscale Research Letters
Academic article
-
Boschker, Jos Emiel;
Folkman, Chad;
Bark, C.W.;
Monsen, Åsmund Fløystad;
Folven, Erik;
Grepstad, Jostein.
(2011)
Structural coupling across the LaAlO3/SrTiO3 interface: High-resolution x-ray diffraction study.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Folven, Erik;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott;
Boschker, Jos Emiel;
Tybell, Thomas.
(2011)
Effects of nanostructuring and substrate symmetry on antiferromagnetic domain structure in LaFeO3 thin films.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Nordseth, Ørnulf;
You, Chang Chuan;
Folven, Erik;
Gariglio, S;
Sambri, A;
Triscone, JM.
(2010)
Growth and characterization of (Pb,La)(Zr,Ti)O-3 thin film epilayers on SrTiO3-buffered Si(001).
Thin Solid Films
Academic article
-
Takahashi, Ryota;
Valset, K.;
Folven, Erik;
Eberg, Espen;
Grepstad, Jostein;
Tybell, Thomas.
(2010)
Long-range spontaneous structural ordering in barium stannate thin films.
Applied Physics Letters
Academic article
-
Folven, Erik;
Tybell, Thomas;
Scholl, Andreas;
Young, Anthony;
Retterer, Scott T;
Takamura, Yayoi.
(2010)
Antiferromagnetic Domain Reconfiguration in Embedded LaFeO3 Thin Film Nanostructures.
Nano Letters
Academic article
-
Tanaka, R;
Takata, S;
Katayama, M;
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas.
(2010)
Photocatalytic synthesis of Silver-Oxide clathrate Ag6O8AgNO3.
Journal of the Electrochemical Society
Academic article
-
Takahashi, Ryota;
Katayama, M;
Dahl, Øystein;
Grepstad, Jostein;
Matsumoto, Y;
Tybell, Thomas.
(2010)
Erratum: “Epilayer control of photodeposited materials during UV photocatalysis” [Appl. Phys. Lett. 94, 232901 (2009)].
Applied Physics Letters
Errata
-
Dahl, Øystein;
Grepstad, Jostein;
Tybell, Thomas.
(2009)
Polarization direction and stability in ferroelectric lead titanate thin films.
Journal of Applied Physics
Academic article
-
Nordseth, Ørnulf;
Kjellman, Jon Øyvind;
You, Chang Chuan;
Røyset, Arne Karstein;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
The case for electro-optic waveguide devices from ferroelectric (Pb,La)(Zr,Ti)O3 thin film epilayers.
Proceedings of SPIE, the International Society for Optical Engineering
Academic article
-
Nordseth, Ørnulf;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
Epitaxial (Pb,La)(ZrTi)O3 thin films on buffered Si(100) by on-axis radio frequency magnetron sputtering.
Thin Solid Films
Academic article
-
Weigand, Christian Carl;
Bergren, Matt;
Ladam, Cecile;
Vullum, Per Erik;
Walmsley, John C;
Fagerberg, Ragnar.
(2009)
Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition.
Materials Research Society Symposium Proceedings
Academic article
-
You, Chang Chuan;
Takahashi, Ryota;
Borg, Anne;
Grepstad, Jostein;
Tybell, Thomas.
(2009)
The fabrication and chracterization of PbTiO3 nanomesas realized on nanostructured SrRuO3/SrTiO3 templates.
Nanotechnology
Academic article
-
Takahashi, Ryota;
Katayama, M;
Dahl, Øystein;
Grepstad, Jostein;
Matsumoto, Yuji;
Tybell, Thomas.
(2009)
Epilayer control of photodeposited materials during UV photocatalysis.
Applied Physics Letters
Academic article
-
Nordseth, Ørnulf;
Røyset, Arne;
Tybell, Thomas;
Grepstad, Jostein.
(2009)
Sputter-deposited (Pb,La) (Zr,Ti)O3 thin films: Effect of substrate and optical properties.
Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films
Academic article
-
Dahl, Øystein;
Grepstad, Jostein;
Tybell, Thomas.
(2008)
Crystalline and dielectric properties of sputter deposited PbTiO3 thin films.
Journal of Applied Physics
Academic article
-
Takahashi, Ryota;
Dahl, Øystein;
Eberg, Espen;
Grepstad, Jostein;
Tybell, Thomas.
(2008)
Ferroelectric stripe-domains in PbTiO3 thin films: depolarization field and domain randomness.
Journal of Applied Physics
Academic article
-
Takahashi, Ryota;
Grepstad, Jostein;
Tybell, Thomas;
Matsumoto, Yuji.
(2008)
Photochemical switching of ultrathin PbTiO3 films.
Applied Physics Letters
Academic article
-
Pettersen, Sverre Vegard;
Grande, AP;
Tybell, Thomas;
Riechert, H;
Averbeck, R;
Grepstad, Jostein.
(2007)
Formation and electronic properties of oxygen annealed Au/Ni and Pt/Ni contacts to p-type GaN.
Semiconductor Science and Technology
Academic article
-
Grepstad, Jostein.
(2007)
Utslippstonna er på bordet, Gjengset.
Adresseavisen
Reader opinion piece
-
Grepstad, Jostein.
(2007)
Refleksjoner rundt forskningspolitikken.
Universitetsavisa
Reader opinion piece
-
Takamura, Yayoi;
Chopdekar, Rajesh V.;
Grepstad, Jostein;
Suzuki, Yuri;
Marshall, Ann F.;
Vailionis, A.
(2006)
Thickness-dependent properties of (110)-oriented La1.2Sr1.8Mn2O7 thin films.
Journal of Applied Physics
Academic article
-
Kumar, Sarin Annakat K;
Dahl, Øystein;
Pettersen, Sverre Vegard;
Grepstad, Jostein;
Tybell, Thomas.
(2005)
Characterization of Crystalline Pb0.92La0.08Zr0.4Ti0.6O3 Thin Films Grown by Off-Axis Magnetron Sputtering.
Thin Solid Films
Academic article
-
Takamura, Yayoi;
Grepstad, Jostein;
Chopdekar, Rajesh V.;
Marshall, Ann F.;
Zheng, H.;
Mitchell, John F..
(2005)
Structural, Magnetic, and Electronic Properties of (110)-Oriented Epitaxial Thin Films of the Bilayer Manganite La1.2Sr1.8Mn2O7.
Applied Physics Letters
Academic article
-
Grepstad, Jostein;
Takamura, Yayoi;
Scholl, Andreas;
Hole, Ingebrigt;
Suzuki, Yuri;
Tybell, Thomas.
(2005)
Effects of thermal annealing in oxygen on the antiferromagnetic order and domain structure of epitaxial LaFeO3 thin films.
Thin Solid Films
Academic article
-
Grepstad, Jostein.
(2004)
Thomas Tybell.
Fra Fysikkens Verden
Short communication
-
Hole, Ingebrigt;
Tybell, Thomas;
Wærnhus, Ivar;
Grande, Tor;
Wiik, Kjell;
Grepstad, Jostein.
(2003)
High temperature transport kinetics in heteroepitaxial LaFeO3 thin films.
Solid-State Electronics
Academic article
-
Heinlein, Christian;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Berge, Torunn.
(1999)
Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation.
Journal of Vacuum Science & Technology B
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Fimland, Bjørn-Ove;
Berge, Torunn.
(1999)
Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation.
Journal of Crystal Growth
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Riechert, Henning;
Averbeck, Robert.
(1999)
Radio frequency plasma nitridation of c-plane sapphire; influence on properties of GaN grown by molecular beam epitaxy.
Materials Science & Engineering: B. Solid-state Materials for Advanced Technology
Academic article
-
Torvik, John T.;
Leksono, M. W.;
Pankove, J. I.;
Heinlein, Christian;
Grepstad, Jostein;
Magee, C..
(1999)
Interfacial effects during GaN growth on 6H-SiC.
Journal of Electronic Materials
Academic article
-
Grepstad, Jostein.
(1998)
Personvern til besvær for studieavdelingen.
Universitetsavisa
Feature article
-
Grepstad, Jostein.
(1998)
Den sentrale fagevaluering; uten konsesjon og uten personvern.
Universitetsavisa
Feature article
-
Heinlein, Christian;
Grepstad, Jostein;
Einfeldt, Sven;
Hommel, Detlef;
Berge, Torunn;
Grande, Alf P..
(1998)
Preconditioning of c-plane sapphire for GaN molecular beam epitaxy by electron cyclotron resonance plasma nitridation.
Journal of Applied Physics
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Riechert, Henning;
Averbeck, Robert.
(1997)
Plasma preconditioning of sapphire substrate for GaN epitaxy.
Materials Science & Engineering: B. Solid-state Materials for Advanced Technology
Academic article
-
Gong, Zhenghong;
Rønnekleiv, Arne;
Grepstad, Jostein.
(1997)
Performance of a surface acoustic wave filter with YBa%c-Cu%d-O%h-_b superconducting.
Physica. C, Superconductivity
Academic article
-
Heinlein, Christian;
Grepstad, Jostein;
Berge, Torunn;
Riechert, Henning.
(1997)
Preconditioning of c-plane sapphire for GaN epitaxy by radio frequency plasma nitridation.
Applied Physics Letters
Academic article
-
Ma, Qing;
Rosenberg, R.A.;
Kim, Changyoung;
Grepstad, Jostein;
Pianetta, P.;
Droubay, T..
(1997)
Comparative magnetic-field imaging, electric-field imaging, and scanni ng Auger microscopy study of metal-matrix composites.
Journal of Electron Spectroscopy and Related Phenomena
Academic article
-
Ma, Qing;
Rosenberg, Richard A.;
Kim, Changyoung;
Grepstad, Jostein;
Pianetta, Piero.
(1997)
Microscopic chemical state identification of a silicon-carbide fiber b y soft X-ray photoabsorption spectroscopy.
Applied Physics Letters
Academic article
-
Grepstad, Jostein.
(1996)
Mammografi uten røntgen.
Teknisk Ukeblad
Popular scientific article
-
Fagerberg, Ragnar;
Stokke, Hans Erik;
Grepstad, Jostein.
(1996)
Impact of a normally conducting surface layer on attenuation in high-Tc superconducting microstrip transmission lines.
IEEE Transactions on Applied Superconductivity (TAS)
Academic article
-
Grepstad, Jostein.
(1995)
TU, stråling og store tall.
Teknisk Ukeblad
Feature article
-
Gong, Zhenghong;
Grepstad, Jostein;
Fagerberg, Ragnar.
(1995)
The YBCO(001)/Ag Interface; Correlation between Specific Contact Resistance and Interfacial Microstructure.
IEEE Transactions on Applied Superconductivity (TAS)
Academic article
-
Fagerberg, Ragnar;
Grepstad, Jostein.
(1994)
Temperature Dependent Kinetic Inductance of YBa2CuO7-x Thin Films Predicted by the Coupled-Grain Model in the Strong-Coupling Limit.
Journal of Applied Physics
Academic article
-
Husby, Haldor;
Bernstein, Ralph W.;
Grepstad, Jostein.
(1994)
Photolithographic Patterning of Protective Arsenic Capping on MBE-Grown AlxGa1-xAs(001).
Applied Physics Letters
Academic article
-
Grepstad, Jostein;
Husby, Haldor;
Borg, Anne;
Fimland, Bjørn-Ove;
Bernstein, Ralph W.;
Nyholm, Ralf.
(1994)
As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication.
Physica scripta. Topical Issues
Academic article
-
Gong, Zhenghong;
Vassenden, Frode;
Fagerberg, Ragnar;
Grepstad, Jostein;
Bardal, Asgeir;
Høier, Ragnvald.
(1993)
Processing Dependence of the Interfacial Microstructure of Ag Contacts to YBa2Cu3O7-x Thin Films.
Applied Physics Letters
Academic article
-
Fagerberg, Ragnar;
Vassenden, Frode;
Gong, Zhenghong;
Grepstad, Jostein.
(1992)
Lithographic Processing of YBa2Cu3O7 Thin Films; Impact on Electrical Contacts.
Journal of Applied Physics
Academic article
-
Gong, Zhenghong;
Fagerberg, Ragnar;
Vassenden, Frode;
Høier, Ragnvald;
Grepstad, Jostein.
(1992)
TEM Study of Ag Contacts to a- and c-Axis Oriented YBa2Cu3O7 Thin Films.
Applied Physics Letters
Academic article
-
Bernstein, Ralph W.;
Borg, Anne;
Husby, Haldor;
Fimland, Bjørn-Ove;
Grepstad, Jostein.
(1992)
Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED.
Applied Surface Science
Academic article
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar;
Qiu, S.L..
(1991)
K Promoted Oxidation of Al and Ta.
Surface Science
Academic article
-
Braaten, Nils A.;
Borg, Anne;
Grepstad, Jostein;
Raaen, Steinar;
Ruckman, M.W..
(1991)
Oxygen K Near-Edge-Structure for Thin Ce Oxide Films.
Solid State Communications
Academic article
-
Fagerberg, Ragnar;
Vassenden, Frode;
Gong, Zhenghong;
Tuset, Pål;
Grepstad, Jostein.
(1991)
Influence of Process Induced Surface Impurities on Electrical Contacts to YBa2Cu3O7 Thin Films.
Physica. C, Superconductivity
Academic article
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1990)
Removal of the Surface Contamination Layer from CF4 Plasma Etched GaAs(001) Substrate by Thermal Annealing in Hydrogen.
Journal of Applied Physics
Academic article
-
Raaen, Steinar;
Braaten, Nils A.;
Grepstad, Jostein;
Qiu, S.L..
(1990)
Enhanced Oxidation of Aluminium; Effects of Thin Cerium Overlayers.
Physica Scripta
Academic article
-
Niedermann, Philipp;
Grande, Alf P.;
Grepstad, Jostein;
Triscone, Jean-Marc;
Karkut, Michael G.;
Brunner, Olivier.
(1990)
XPS Study of Thin Ag Overlayers on YBa2Cu3O7-x; Effects of Oxygen Annealing.
Journal of Applied Physics
Academic article
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1989)
XPS Intensity Analysis for Assessment of Thickness and Composition of Thin Overlayer Films; Application to Chemically Etched GaAs(100) Surfaces.
Surface and Interface Analysis
Academic article
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1989)
GaAs(100) Substrate Cleaning by Thermal Annealing in Hydrogen.
Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films
Academic article
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar.
(1989)
Effects of Thin Cerium Overlayers on the Oxidation of Tantalum and Aluminium.
Surface Science
Academic article
-
Braaten, Nils A.;
Grepstad, Jostein;
Raaen, Steinar.
(1989)
Photoemission Study of Formation and Oxidation of a Mixed Ce-Cu Interface.
Physical Review B. Condensed Matter and Materials Physics
Academic article
-
Braaten, Nils A.;
Raaen, Steinar;
Grepstad, Jostein.
(1988)
Oxidation of Transition Metal - Rare Earth Interfaces.
Physica Scripta
Academic article
-
Stöcker, Michael;
Jens, K.-J.;
Riis, T.;
Grepstad, Jostein.
(1988)
Characterization of Ni-Exchanged Montmorillonites by X-ray Photoelectron Spectroscopy.
Journal of the Chemical Society, Faraday Transactions
Academic article
-
Stöcker, Michael;
Grepstad, Jostein;
Lillerud, K.P..
(1988)
X-ray Photoelectron Spectroscopy Studies of Chabazite Type Zeolites.
Catalysis Today
Academic article
-
Fjellvåg, Helmer;
Karen, P;
Kjekshus, Arne;
Grepstad, Jostein.
(1988)
On the Properties of the YBa8Cu4O12-x Phase.
Acta Chemica Scandinavica
Academic article
-
Grepstad, Jostein;
Niedermann, Philipp;
Triscone, Jean-Marc;
Antognazza, Louis;
Karkut, Michael G.;
Fischer, Øystein.
(1988)
Segregation, Interface Reactions, and Surface Topography of YBa2Cu3O7-x Thin Films, Investigated by Auger Depth Profiling, Microprobe Analysis, STM, and SEM.
Physica. C, Superconductivity
Academic article
-
Fjellvåg, Helmer;
Karen, P;
Kjekshus, Arne;
Grepstad, Jostein.
(1987)
X-ray Photoelectron Spectroscopy Study of Y2BaCuO5 and YBa2Cu3O7-x.
Solid State Communications
Academic article
-
Stöcker, Michael;
Hemmersbach, Peter;
Ræder, J;
Grepstad, Jostein.
(1986)
Isomerization of n-Butane over Zeolites Depending on Catalyst Structure.
Applied Catalysis
Academic article
-
Slagsvold, Bjørn J.;
Grepstad, Jostein;
Gartland, Per Olav.
(1983)
Damping Effects in Angular Resolved Ultraviolat Photoemission Spectroscopy on Cu(111).
Physica scripta. Topical Issues
Academic article
-
Grepstad, Jostein;
Slagsvold, Bjørn J.;
Bartos, Igor.
(1982)
Band Structure Dependent Damping in Photoemission from Copper.
Journal of Physics: Condensed Matter
Academic article
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1982)
Experimental Observation of Direct Transitions in Angle Resolved UV Photoemission from the Al(111) Surface.
Physica Scripta
Academic article
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1980)
Final State Bandgap Effects in UV Photoemission from Cu(111).
Solid State Communications
Academic article
-
Grepstad, Jostein;
Gartland, Per Olav;
Slagsvold, Bjørn J..
(1976)
Anisotropic Work Function of Clean and Smooth Low-Index Faces of Aluminium.
Surface Science
Academic article
Books
-
Grepstad, Jostein;
Fimland, Bjørn-Ove;
et al., [Mangler fornavn].
(1993)
Reconstruction-dependent reactivity and electronic barrier formation at Al/MBE-grown GaAs(001) interfaces.
MAX-lab Activity Report
Non-fiction book
Part of book/report
-
Weigand, Christian Carl;
Bergren, Matt;
Valset, Kjetil;
Carey, David;
Fagerberg, Ragnar;
Ladam, Cecile.
(2008)
Characterization of ZnO Layers Grown by Pulsed Laser Deposition for Hybrid Inorganic/Organic Solar Cells.
Academic chapter/article/Conference paper
-
Nordseth, Ørnulf;
Tybell, Thomas;
Grepstad, Jostein.
(2006)
Simulation of Photonic Band Gap Waveguides in Lead-Lanthanum Zirconate-Titanate.
Academic chapter/article/Conference paper
-
Gong, Zhenghong;
Grepstad, Jostein;
Andersen, S.;
Bardal, A..
(1996)
Microstructure of YBa%cCu%dO%h-_d/Ag bilayers grown in situ on step-edge SiTiO%d substrates.
Materials Research Society
Academic chapter/article/Conference paper
Report
-
Hallsteinsen, Ingrid;
Tybell, Per Thomas Martin;
Grepstad, Jostein.
(2017)
Geometrical lattice engineering of oxide interfaces.
NTNU
Doctoral dissertation
-
Brataas, Arne;
Mathiesen, Ragnvald;
Grande, Tor;
Roven, Hans Jørgen;
Grepstad, Jostein;
Echtermeyer, Andreas.
(2013)
Enabling technologies at NTNU; materials science and engineering.
NTNU
Report
-
Weigand, Christian Carl;
Weman, Helge;
Grepstad, Jostein.
(2012)
ZnO nanostructures grown by pulsed laser deposition.
NTNU-trykk
Doctoral dissertation
-
Pettersen, Sverre V;
Grepstad, Jostein.
(2007)
Investigation of Contact Metallizations for GaN Devices; Fabrication and measurement of a GaN SAW Resonator.
NTNU
Doctoral dissertation
-
Bernstein, Ralph W.;
Grepstad, Jostein;
Kuznetsov, Andrej;
Skjeltorp, Arne T..
(2005)
"Materialer for mikrosystemer"; innspill til FUNMAT strategi.
SINTEF IKT
Report
-
Heinlein, Christian;
Grepstad, Jostein.
(1998)
Aspects of III-V Compound Semiconductor Molecular Beam Epitaxy; Sapphire Substrate Nitridation for GaN Growth and Selective Area Regrowth of GaAs Using Arsenic Capping.
FYS.EL.-rapport (14)
Doctoral dissertation
-
Husby, Haldor;
Grepstad, Jostein;
Bernstein, Ralph W..
(1994)
AlxGa1-x microelectronic device processing using an arsenic capping layer.
TF-rapport (19/94)
Report
-
Vassenden, Frode;
Grepstad, Jostein.
(1993)
Characterization of YBa2Cu3O7-x Thin Films with Emphasis on Surface Properties.
FYS.EL.-rapport (3)
Doctoral dissertation
-
Fagerberg, Ragnar;
Grepstad, Jostein.
(1992)
Synthesis and characterization of YBa2Cu3O7-x thin films.
Doktor ingeniøravhandling
Doctoral dissertation
-
Borg, A.;
Grepstad, Jostein;
Bernstein, R.W.;
Husby, H.;
Fimland, Bjørn-Ove.
(1991)
Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces.
SINTEF Rapport
Report
-
Borg, A.;
Husby, H.;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Bernstein, R.W.;
Nyholm, R..
(1991)
Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces.
Annual activity report
Report
-
Borg, A.;
Bernstein, R.W.;
Husby, H.;
Fimland, Bjørn-Ove;
Grepstad, Jostein;
Karlsson, U.O..
(1990)
Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001).
Annual activity report
Report
-
Bernstein, Ralph W.;
Grepstad, Jostein.
(1990)
Chemical Aspects of GaAs Device Processing; an X-ray Photoelectron Spectroscopy Investigation.
FYS.EL.-rapport (4)
Doctoral dissertation
-
Grepstad, Jostein;
Slagsvold, Bjørn J..
(1981)
Experimental Investigation of Final State Band Structure Effects and Excitation Mechanisms in Photoemission from Copper and Aluminium Single Crystals.
Dept. of Physics, NTNU
Doctoral dissertation
Knowledge Transfer
2019
-
Academic lectureStrømberg, Anders; Digernes, Einar; Jensen, Johannes Høydahl; Tufte, Gunnar; Grepstad, Jostein; Folven, Erik. (2019) Co-existing Ferromagnetic-Antiferromagnetic Order in a Magnetic Metamaterial. NTNU Nano Norwegian NanoSymposium 2019 , Trondheim 2019-10-16 - 2019-10-17
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Academic lectureStrømberg, Anders; Digernes, Einar; Slöetjes, Samuel Dingeman; Jensen, Johannes Høydahl; Tufte, Gunnar; Grepstad, Jostein. (2019) Magnetic Force Microscopy of Intermediate Angle Pinwheel Artificial Spin Ice. The European Magnetism Association Joint European Magnetic Symposia 2019 , Uppsala 2019-08-26 - 2019-08-30
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Academic lectureHallsteinsen, Ingrid; Kjærnes, Kristoffer; Slöetjes, Samuel Dingeman; Moreau, Magnus; Grutter, Alexander; Nord, Magnus Kristofer. (2019) Engineering antiferromagnetism in complex oxides. Washington State University Washington State University seminar , Pullman, WA, USA 2019-07-07 -
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Academic lectureSlöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2019) Exchange explosions of edge topological defects in a thin film micromagnet. Joint European Magnetics Symposium (JEMS) 2019 , Uppsala 2019-09-26 - 2019-09-30
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Academic lectureSlöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2019) Exchange explosions of topological edge defects in a square micromagnet. Norwegian PhD training network on Nanotechnology for Microsy 10th Annual Workshop of the PhD Network Nanotechnology for Microsystems , Tromsø 2019-06-17 - 2019-06-19
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Academic lectureGrepstad, Jostein. (2019) Domain formation and topological defects in epitaxial oxide thin film micromagnets. Institut für halbleitertechnik (IHT) Invited seminar , Universität Stuttgart, Stuttgart 2019-11-05 - 2019-11-05
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Academic lectureDigernes, Einar; Slöetjes, Samuel Dingeman; Strømberg, Anders; Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Arenholz, Elke. (2019) Observation of long-range magnetic order in dipolar-coupled nanodisk arrays. Joint European Magnetics Symposium (JEMS) 2019 , Uppsala 2019-09-26 - 2019-09-30
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PosterDigernes, Einar; Slöetjes, Samuel Dingeman; Strømberg, Anders; Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Arenholz, Elke. (2019) Tailoring long-range order in arrays of magnetic nanodisks. NTNU Nano Norwegian NanoSymposium 2019 , Trondheim 2019-10-16 - 2019-10-17
2018
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Academic lectureOlsen, Fredrik Kjemperud; Bang, Ambjørn Dahle; Slöetjes, Samuel Dingeman; Grepstad, Jostein; Folven, Erik. (2018) Enhanced Magnetism in Embedded Micromagnets. 9th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems 2018-06-11 - 2018-06-13
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LectureDigernes, Einar; Slöetjes, Samuel Dingeman; Strømberg, Anders; Chopdekar, Rajesh V.; Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud. (2018) Tailoring Properties of Magnetic Metamaterials. NTNU Nano NTNU Nano Symposium 2018 , Akrinn, NTNU, Trondheim 2018-11-28 - 2018-11-29
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LectureSlöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Q.; Yang, M.. (2018) Effects of intermagnet dipolar coupling on the dynamic properties of nanodisc arrays. NanoNetwork 9th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems , Scandic Havna Tjøme 2018-06-11 - 2018-06-13
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LectureSlöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Q.; Yang, M.. (2018) Dynamics of extended arrays of nanoscale Py discs with different lattice symmetries. 9th Joint European Magnetic Symposia (JEMS) Conference 2018 , Mainz 2018-09-03 - 2018-09-07
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LectureSlöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Q.; Yang, M.. (2018) Effects of Lattice Geometry on the Dynamic Properties of Dipolar-Coupled Magnetic Nanodisc Arrays. Nanolab NTNU Nano Symposium 2018 , Akrinn, Trondheim 2018-11-28 - 2018-11-29
2017
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Academic lectureSlöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Qian; Yang, Mengmeng. (2017) Dynamics of extended arrays of nanoscale Py discs with different lattice symmetries. 62nd Annual Conferense on Magnetism and Magnetic Materials , Pittsburgh 2017-11-06 - 2017-11-10
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Academic lectureBang, Ambjørn Dahle; Slöetjes, Samuel Dingeman; Olsen, Fredrik Kjemperud; Hallsteinsen, Ingrid; Tybell, Per Thomas Martin; Arenholz, E. (2017) Temperature-Dependent Spin Alignment in Nanostructured Ferromagnetic/Antiferromagnetic Oxide Thin Film Bilayers. 62nd Annual Conferense on Magnetism and Magnetic Materials , Pittsburgh 2017-11-06 - 2017-11-10
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PosterBang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Tybell, Per Thomas Martin; Folven, Erik; Grepstad, Jostein. (2017) Controlling the Magnetic Microstructure Through Interface Coupling. Nano@NTNU Nordic Nanolab User Meeting 2017 , Trondheim 2017-10-09 - 2017-10-10
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Academic lectureBang, Ambjørn Dahle; Slöetjes, Samuel Dingeman; Olsen, Fredrik Kjemperud; Hallsteinsen, Ingrid; Folven, Erik; Grepstad, Jostein. (2017) Switching Antiferromagnetic Spins in a Ferromagnetic/Antiferromagnetic Bilayer System. Nano-network 8th Annual Nano-Network Workshop , Bergen 2017-06-12 - 2017-06-14
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Academic lectureOlsen, Fredrik Kjemperud; Moreau, Magnus; Slöetjes, Samuel Dingeman; Bang, Ambjørn Dahle; Grepstad, Jostein; Folven, Erik. (2017) Exploring emergent magnetism at complex oxide interfaces. 8th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems 2017-06-12 - 2017-06-14
2016
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Academic lectureHallsteinsen, Ingrid; Moreau, Magnus; Grutter, Alexander; Nord, Magnus Kristofer; Vullum, Per Erik; Gilbert, Dustin A.. (2016) Effect of structural reconstructions at the interface of (111)-oriented La0.7Sr0.3MnO3/LaFeO3. Material Research Society Material Research Society Fall Meeting , Boston 2016-11-27 - 2016-12-02
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PosterBang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Tybell, Per Thomas Martin; Folven, Erik; Grepstad, Jostein. (2016) Controlling the Magnetic Microstructure Through Interface Coupling. NTNU nanolab Nano@NTNU Symposium 2016 , Trondheim 2016-11-17 - 2016-11-18
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Academic lectureLee, Michael S.; Wynn, Thomas; Folven, Erik; Chopdekar, Rajesh V.; Scholl, Andreas; Young, Anthony. (2016) Temperature- and orientation-dependent exchange coupling in epitaxial nanomagnets. 61st Annual Conference on Magnetism and Magnetic Materials , New Orleans 2016-10-01 - 2016-10-05
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Academic lectureSlöetjes, Samuel Dingeman; Urdahl, Hans Henrik; Grepstad, Jostein; Folven, Erik. (2016) Tailoring the supermagnetic order in arrays of dipolarly coupled nanomagnets. 61st Annual Conference on Magnetism and Magnetic Materials , New Orleans 2016-10-01 - 2016-10-05
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Academic lectureHallsteinsen, Ingrid; Moreau, Magnus; Grutter, Alexander; Nord, Magnus Kristofer; Vullum, Per Erik; Gilbert, Dustin A.. (2016) Induced ferromagnetism at the interface of complex oxides. Advanced Light Source Advanced Light Source user meeting , Berkeley 2016-10-03 - 2016-10-04
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Academic lectureSlöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2016) Simulating antiferromagnetism using a micromagnetic approach. Nano-Network (Nasjonal forskerskole) 7th Annual Nano-Network Workshop , Trondheim 2016-06-13 - 2016-06-15
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PosterBang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Scholl, Andreas; Young, Anthony; Retterer, Scott. (2016) Thickness dependent ferromagnetic domain structure in antiferromagnetic/ferromagnetic bilayer nanostructures. IEEE 13th Joint MMM-Intermag Conference (60th Annual Conference on Magnetism and Magnetic Materials) , San Diego 2016-01-11 - 2016-01-15
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Academic lectureOlsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Bang, Ambjørn Dahle; Grepstad, Jostein; Folven, Erik. (2016) Exchange bias in magnetic oxide heterostructures. Nano-Network (Nasjonal forskerskole) 7th Annual Nano-Network Workshop , Trondheim 2016-06-13 - 2016-06-15
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Academic lectureBang, Ambjørn Dahle; Slöetjes, Samuel Dingeman; Olsen, Fredrik Kjemperud; Hallsteinsen, Ingrid; Folven, Erik; Grepstad, Jostein. (2016) Exploring ferromagnetic/antiferromagnetic coupling through magnetic domain imaging. Nano-Network (Nasjonal forskerskole) 7th Annual Nano-Network Workshop , Trondheim 2016-06-13 - 2016-06-15
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Academic lectureGrepstad, Jostein. (2016) Nanomagnetic engineering in perovskite oxide bilayers. Paul-Drude-Institut für Festkörperelektronik PDI Seminar , Berlin 2016-05-22 -
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Academic lectureSlöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2016) Manipulating topological charges in the domain states of 2D micromagnets. IEEE 13th Joint MMM-Intermag Conference (60th Annual Conference on Magnetism and Magnetic Materials) , San Diego 2016-01-11 - 2016-01-15
2015
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PosterBolstad, Torstein; Takahahi, Ryota; Hallsteinsen, Ingrid; Moreau, Magnus; Raa, Kristoffer S.; Lippmaa, Mikk. (2015) Structural coupling in (111)-oriented BaTiO3/La0.7Sr0.3MnO3 thin film heterostructures on SrTiO3. CNRS International School of Oxide Electronics 2015 , Korsika 2015-10-12 - 2015-10-24
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Academic lectureMoreau, Magnus; Hallsteinsen, Ingrid; Nord, Magnus Kristofer; Bolstad, Torstein; Grutter, Alexander; Holmestad, Randi. (2015) Structural and Electronic Reconstructions at (111)-oriented Oxide Interfaces. Nano@NTNU Symposium 2015 2015-11-11 - 2015-11-11
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Academic lectureFolven, Erik; Linder, Jacob; Gomonay, Helen V.; Scholl, Andreas; Doran, Andrew; Young, Anthony. (2015) Control with the switching behavior in exchange-coupled nanomagnets. Research Council of Norway Norwegian Synchrotron and Neutron Users Meeting , Sola, Stavanger 2015-01-19 - 2015-01-20
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PosterGrepstad, Jostein; Folven, Erik; Chopdekar, Rajesh V.; Slöetjes, Samuel Dingeman; Hallsteinsen, Ingrid; Lee, Michael. (2015) Vortex domains in perovskite oxide thin film micromagnets; dependence on temperature, crystalline orientation, and interlayer exchange interactions. Research Council of Norway Norwegian Synchrotron and Neutron Users Meeting , Sola, Stavanger 2015-01-19 - 2015-01-20
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PosterHallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Chopdekar, Rajesh V.; Folven, Erik; Grepstad, Jostein; Tybell, Thomas. (2015) Imaging magnetic anisotropy, domain structure, and local reversal mechanisms in magnetic thin films. Research Council of Norway Norwegian Synchrotron and Neutron Users Meeting , Sola, Stavanger 2015-01-19 - 2015-01-20
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PosterLee, Michael; Wynn, Thomas; Chopdekar, Rajesh V.; Jia, Yue; Li, Binzhi; Folven, Erik. (2015) Control of magnetic domain patterns in complex oxide microstructures. 21st International Workshop on Oxide Electronics , Bolton Landing, New York 2015-09-28 - 2015-10-01
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Academic lectureHallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Bolstad, Torstein; Moreau, Magnus; Nord, Magnus Kristofer; Holmestad, Randi. (2015) Induced magnetism in (111)-oriented LSMO/LFO heterostructures. Nano Network Nano Network , Oslo 2015-06-15 - 2015-06-17
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Academic lectureHallsteinsen, Ingrid; Moreau, Magnus; Folven, Erik; Grepstad, Jostein; Nord, Magnus Kristofer; Holmestad, Randi. (2015) Magnetic coupling in (111)-oriented LSMO and LFO epitaxial heterostructures. To-Be COST action Towards oxide based electronics (To-Be) , Aveiro 2015-03-29 - 2015-04-02
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LectureSlöetjes, Samuel Dingeman; Grepstad, Jostein; Folven, Erik. (2015) Pintpointing magnetic parameters of complex oxides using micromagnetic simulations. NanoNetwork NanoNetwork workshop , Oslo 2015-06-15 - 2015-06-17
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Academic lectureBolstad, Torstein; Raa, Kristoffer S.; Hallsteinsen, Ingrid; Moreau, Magnus; Grepstad, Jostein; Tybell, Per Thomas Martin. (2015) Structural effects on magnetism: A possible route to novel electromagnetic systems. Nano Network Nano Network 6th annual workshop , Oslo 2015-06-15 - 2015-06-17
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PosterBolstad, Torstein; Raa, Kristoffer S.; Hallsteinsen, Ingrid; Engh, Matthias Michael; Grepstad, Jostein; Tybell, Per Thomas Martin. (2015) (111)-oriented BaTiO3/La0.7Sr0.3MnO3 thin film heterostructures. eMRS eMRS 2015 spring meeting , Lille 2015-05-11 - 2015-05-15
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Academic lectureHallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Nord, Magnus Kristofer; Moreau, Magnus; Vullum, Per Erik; Holmestad, Randi. (2015) The effect of oxygen octahedral coupling in (111)-oriented LSMO and LFO epitaxial heterostructures on STO(111). European Materials Research Society (E-MRS) European Materials Research Society (E-MRS) spring meeting , Lille 2015-05-11 - 2015-05-15
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Academic lectureBang, Ambjørn Dahle; Mellbye, Aksel Skauge; Olsen, Fredrik Kjemperud; Folven, Erik; Grepstad, Jostein. (2015) Fabrication routes of large arrays of nanostructures for magnetic spectroscopy. The Norwegian PhD Network on Nanotechnology for Microsystems 2015 Workshop of Nano-Network (Nasjonal forskerskole) , Oslo 2015-06-15 - 2015-06-17
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Academic lectureBang, Ambjørn Dahle; Slöetjes, Samuel Dingeman; Olsen, Fredrik Kjemperud; Folven, Erik; Grepstad, Jostein. (2015) Magnetic domain patterns in antiferromagnetic/ferromagnetic bilayer nanostructures. NTNU NanoLab 2015 Nano@NTNU symposium , Trondheim 2015-11-01 -
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PosterOlsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Bang, Ambjørn Dahle; Grepstad, Jostein; Folven, Erik. (2015) Exchange bias in magnetic LFO/LSMO heterostructures. NTNU NanoLab 2015 Nano@NTNU symposium , Trondheim 2015-11-11 -
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PosterSlöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2015) Topological defects in thin film micromagnets. NTNU NanoLab 2015 Nano@NTNU symposium , Trondheim 2015-11-01 -
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PosterHallsteinsen, Ingrid; Nord, Magnus Kristofer; Moreau, Magnus; Grutter, Alexander; Olsen, Fredrik Kjemperud; Bolstad, Torstein. (2015) Emerging Magnetism at the Interface of (111)-Oriented Epitaxial Ferromagnetic La0.7Sr0.3MnO3 and Antiferromagnetic LaFeO3. Materials Research Society Materials Research Society Fall Meeting , Boston 2015-11-29 - 2015-12-04
2014
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Academic lectureHallsteinsen, Ingrid; Folven, Erik; Olsen, Fredrik Kjemperud; Takamura, Yayoi; Grepstad, Jostein; Tybell, Thomas. (2014) Magnetic properties of (111)-oriented single layers, bilayers and superlattices of LaSrMnO3 and LaFeO3. NTNU Nano-lab Nanolab 10year anniversary , Trondheim 2014-11-10 - 2014-11-11
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PosterHallsteinsen, Ingrid; Folven, Erik; Grepstad, Jostein; Holmestad, Randi; Nord, Magnus Kristofer; Tybell, Thomas. (2014) Magnetic properties and exchange mechanisms in epitaxial (111)-oriented magnetic heterostructures. Material Research Society Material Research Society - Spring meeting 2014 , San Francisco 2014-04-21 - 2014-04-25
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Academic lectureHallsteinsen, Ingrid; Folven, Erik; Olsen, Fredrik Kjemperud; Takamura, Yayoi; Grepstad, Jostein; Tybell, Thomas. (2014) Magnetic properties of (111)-oriented thin film oxides. Forskerskolen NanoNetwork NanoNetwork , Tønsberg 2014-05-16 - 2014-05-18
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Academic lectureGrepstad, Jostein. (2014) Magnetic Oxide Nanostructures; anisotropies and interface spin coupling. Nano-magnetism seminar , NTNU, Trondheim 2014-06-10 -
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Academic lectureFolven, Erik; Slöetjes, Samuel Dingeman; Hallsteinsen, Ingrid; Chopdekar, Rajesh V.; Lee, Michael; Wynn, Thomas. (2014) Orientation-dependent domain states in epitaxial perovskite thin film micromagnets. IEEE 59th Annual Conference on Magnetism and Magnetic Materials , Honolulu 2014-11-03 - 2014-11-07
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PosterFolven, Erik; Hallsteinsen, Ingrid; Chopdekar, Rajesh V.; Young, Anthony; Marcus, M.; Retterer, Scott. (2014) Shape Effects in Antiferromagnetic Nanostructures. Material Research Society Material Research Society - Spring meeting 2014 , San Francisco 2014-04-21 - 2014-04-25
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Academic lectureFolven, Erik; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott; Tybell, Thomas. (2014) Tuning the switching properties of AFM/FM nanomagnets. The Norwegian PhD Network on Nanotechnology for Microsystems Nano-Network Workshop 2014 , Tønsberg 2014-06-16 - 2014-06-18
2013
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Academic lectureHallsteinsen, Ingrid; Folven, Erik; Chopdekar, Rajesh V.; Nord, Magnus Kristofer; Christiansen, Emil; Vullum, Per Erik. (2013) Magnetic switching of epitaxial (111)-oriented La0.7Sr0.3MnO3 /SrTiO3 thin films. 8th NTNU NanoLab symposium 2013-11-12 - 2013-11-12
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Academic lectureFolven, Erik; Takamura, Yayoi; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott. (2013) Control with the switching behavior in exchange-coupled nanomagnets. American Physical Society 2013 March Mtg. of the American Physical Society , Baltimore 2013-03-18 - 2013-03-22
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Academic lectureFolven, Erik; Chopdekar, R.V.; Retterer, Scott; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2013) Temperature dependent spin alignment in antiferromagnetic/ ferromagnetic bilayer nanostructures. Magnetics Society of the IEEE 58th Annual Conference on Magnetism and Magnetic Materials , Denver, Colorado 2013-11-04 - 2013-11-08
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Popular scientific lecture
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Academic lectureHallsteinsen, Ingrid; Folven, Erik; Chopdekar, Rajesh V.; Takamura, Yayoi; Grepstad, Jostein; Tybell, Thomas. (2013) Synthesis and magnetic switching of epitaxial (111)-oriented La0.7Sr0.3MnO3 thin films. Materials Research Society 2013 Materials Research Society Fall Mtg. , Boston 2013-12-02 - 2013-12-06
2012
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Academic lectureGrepstad, Jostein. (2012) Domain imaging and exchange coupling in magnetically ordered thin films and nanostructures. NTNU Physics Dept. Friday Colloquium , NTNU, Trondheim 2012-04-20 -
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Academic lectureGrepstad, Jostein. (2012) Toolbox for control of domain patterns and spin ordering in embedded complex oxide thin film micromagnets. 7th Intl. Workshop on Multifunctional Materials 2012-08-05 - 2012-08-09
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Academic lectureGrepstad, Jostein; Folven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel. (2012) Competing interactions and domain ordering in nanostructured magnetic oxide thin film bilayers. Research Council of Norway Norwegian Synchrotron and Neutron Users Mtg. , Sola 2012-01-30 - 2012-01-31
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Academic lectureBoschker, Jos Emiel; Folven, Erik; Grepstad, Jostein; Tybell, Thomas. (2012) Stoichiometry and topography: how to control oxide surfaces?. 19th International workshop on oxide electronics , Palace ‘t Loo, Apeldoorn 2012-09-30 - 2012-10-03
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PosterFolven, Erik; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott; Tybell, Thomas. (2012) Tailoring the switching behavior in embedded nanomagnets. 19th International workshop on oxide electronics , Palace ‘t Loo, Apeldoorn 2012-09-30 - 2012-10-03
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Academic lectureHallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Controlled surfaces of epitaxial (111)-oriented perovskite thin films. STINT STINT Workshop on Oxide and Interface Magnetism , Trondheim 2012-12-05 - 2012-12-06
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Academic lectureHallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Film growth of (111)-oriented perovskite systems. NTNU Nano-lab 7th annual Nanolab meeting , Trondheim 2012-12-12 -
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Academic lectureHallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Material Research Society Material Research Society - Fall meeting 2012 , Boston 2012-11-25 - 2012-11-30
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PosterFolven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas. (2012) Controlling the relative spin alignment in AFM/FM nanostructures. Norwegian PhD Network on Nanotechnology for Microsystems Ste 3rd Annual Workshop of the PhD Network on "Nanotechnology for Microsystems" , Trondheim 2012-06-11 - 2012-06-13
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Academic lectureFolven, Erik; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel. (2012) Tuning the switching properties in AFM/FM nanomagnets through interface exchange coupling. STINT STINT Workshop 2012 , NTNU, Trondheim 2012-12-05 - 2012-12-06
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PosterFolven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas. (2012) Controlling the relative spin alignment in AFM/FM nanostructures. NTNU NanoLab 7th Annual NanoLab User Meeting , Trondheim 2012-12-12 - 2012-12-12
2011
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Academic lectureChoudhury, P.R.; You, Chang Chuan; Grepstad, Jostein; Tybell, Thomas. (2011) Nanoscale ferroelectrics: A Piezoresponse Force Microscope Approach. Bruker User meeting 2011-09-20 - 2011-09-20
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Academic lectureWeigand, Christian Carl; Skåre, Daniel; Tveit, Johannes; Ladam, Cecile; Holmestad, Randi; Grepstad, Jostein. (2011) Growth of ZnO nanostructures on c- and a-plane sapphire by Au-assisted pulsed laser deposition. CNRS GDR Semiconductor Nanowires and Nanotubes , Porquerolles 2011-10-17 - 2011-10-21
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Academic lectureTanaka, R.; takata, s; takahashi, ryota; Grepstad, Jostein; Tybell, Thomas; Matsumuto, Yuji. (2011) Photo-electrochemical synthesis of silver-oxide clathrate Ag7O8NO3 onto SrTiO3. The Fifth International Conference on the Science and Technology for Advanced Ceramics (STAC-5) , Yokohama 2011-06-22 - 2011-06-24
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Popular scientific lectureGrepstad, Jostein. (2011) Nasjonal Forskerskole; "Nanoteknologi for Mikrosystem". Norges Forskningsråd Seminar, nasjonale forskerskoler , Oslo 2011-11-30 -
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Popular scientific lectureGrepstad, Jostein. (2011) An Overview of the Network Activities; Presentation of the Norwegian PhD Network on Nanotechnology for Microsystems. Norwegian PhD Network on Nanotechnology for Microsystems Seminar ved Universitetet i Bergen , Bergen 2011-09-21 -
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Academic lectureFolven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas. (2011) Competing Anisotropies in Spin-Flop Coupled AFM/FM Nanostructures. IEEE 56th Annual Conference on Magnetism and Magnetic Materials , Scottsdale, Arizona 2011-10-31 - 2011-11-03
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Academic lectureTakamura, Yayoi; Folven, Erik; Yang, F; Scholl, Andreas; Young, Anthony; Retterer, Scott. (2011) Understanding Spin-Flop Coupling at Perovskite Oxide Interfaces. IEEE 56th Annual Conference on Magnetism and Magnetic materials , Scottsdale, Arizona 2011-10-31 - 2011-11-03
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Academic lectureGrepstad, Jostein. (2011) Antiferromagnetic Domain Ordering in Epitaxial Oxide Thin Film Nanostructures. 6th Intl. Workshop on Multifunctional Materials , Kodiak, Alaska 2011-07-31 - 2011-08-03
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Academic lectureGrepstad, Jostein; Folven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott. (2011) Edge-imposed Domain Ordering in Antiferromagnetic LaFeO3 Nanostructures. American Physical Society 2011 March Mtg. of the American Physical Society , Dallas 2011-03-21 - 2011-03-25
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Popular scientific lectureGrepstad, Jostein. (2011) NorFab as a Vehicle for Quality Graduate Education in Nanoscience and Related technologiers. NorFab Infrastructure Inauguration of the NorFab Infrastructure , Oslo 2011-06-16 -
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Academic lectureFolven, Erik; Scholl, Andreas; Young, Anthony; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2011) Tailoring the Antiferromagnetic Domain Structure in LaFeO3 Thin Films by Nanostructuring. Norwegian PhD Network on Nanotechnology for Microsystems 2nd Annual Workshop of the PhD Network on "Nanotechnology for Microsystems" , Oslo 2011-06-15 - 2011-06-17
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Academic lectureFolven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas. (2011) Crossover from Spin-Flop Coupling to Colinear Spin Alignmentin Antiferromagnetic/Ferromagnetic Nanostructures. NTNU NanoLab 6th NTNU NanoLab Users Mtg. , Trondheim 2011-11-16 -
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Academic lectureBoschker, Jos Emiel; Monsen, Åsmund Fløystad; Folkman, Chad; Bark, C.W.; Folven, Erik; Grepstad, Jostein. (2011) Periodic lattice distortions and domain formation in perovskite thin films. The joint STINT Workshop on multifunctional oxides and mineral , Uppsala 2011-03-01 - 2011-03-03
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PosterEberg, Espen; Van Helvoort, Antonius; Selbach, Sverre Magnus; Soleim, Bjørn Gunnar; Folven, Erik; Choudhury, P.R.. (2011) Epitaxial perovskite nanostructures: effect of topology and stoichiometry. 18th International Workshop on Oxide Electronics Napa Valley , Napa Valley, California 2011-09-26 - 2011-09-28
2010
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Academic lectureWeigand, Christian Carl; Ladam, C.; Bergren, Matt; Tveit, Johannes; Vullum, Per Erik; Dahl, Øystein. (2010) ZnO nanostructures grown by pulsed laser deposition. NTNU NanoLab 5th NTNU Nanolab Users Mtg. , Trondheim 2010-09-10 -
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PosterWeigand, Christian Carl; Grepstad, Jostein; Weman, Helge; Ladam, C.; Vullum, Per Erik; Dahl, Øystein. (2010) ZnO nanosheets grown by pulsed laser deposition. 5th Nanowire Growth Workshop , Rome 2010-11-03 - 2010-11-05
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PosterWeigand, Christian Carl; Grepstad, Jostein; Bergren, Matt; Weman, Helge; Furtak, Tom; Collins, Reuben. (2010) ZnO nanostructures grown by pulsed laser deposition. Norwegian PhD Network on Nanotechnology for Microsystems 1st Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems , Tønsberg 2010-05-31 - 2010-06-02
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PosterBoschker, Jos Emiel; Monsen, Åsmund Fløystad; Folven, Erik; McEnroe, S.A.; Grepstad, Jostein; Wahlström, Erik. (2010) Step-edge controlled strain in epitaxial perovskite thin films. National PhD Network, "Nanotechnology for Microsystems" 1st Annual Workshop, Nano Network , Tønsberg 2010-05-31 - 2010-06-02
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Academic lectureBoschker, Jos Emiel; Monsen, Åsmund Fløystad; Folkman, CM; Bark, C.W.; Folven, Erik; McEnroe, S.A.. (2010) Periodic lattice distortions in perovskite thin films and interface coupling. NTNU naolab 5th NTNU Nanolab Users Mtg. , Trondheim 2010-09-10 -
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Academic lectureBoschker, Jos Emiel; Monsen, Åsmund Fløystad; Folkman, CM; Folven, Erik; McEnroe, S.A.; Grepstad, Jostein. (2010) Epitaxial control of periodic lattice distortions in perovskite thin films. 17th International Workshop on Oxide Electronics , Awaji island 2010-09-19 - 2010-09-22
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PosterTakahashi, Ryota; Valset, Kjetil; Folven, Erik; Eberg, Espen; Grepstad, Jostein; Tybell, Thomas. (2010) Spontaneous out-of-plane ordering in epitaxial barium stannate thin films. 17th International Workshop on Oxide Electronics , Awaji-shima 2010-09-19 - 2010-09-22
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Academic lectureTakahashi, Ryota; Valset, Kjetil; Folven, Erik; Eberg, Espen; Grepstad, Jostein; Tybell, Thomas. (2010) Long-range spontaneous structural ordering in epitaxial barium stannate thin films. 5th NTNU NanoLab Users Mtg. , Trondheim 2010-09-10 -
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Academic lectureTakahashi, Ryota; Katayama, M; Takata, S; Lippmaa, M; You, Chang Chuan; Dahl, Øystein. (2010) Interface control of photo-deposited materials on ferroelectric PbTiO3 surface. 57th Spring meeting, Japan Society of Applied Physics , Atsugi 2010-03-17 - 2010-03-20
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Academic lectureTanaka, R; Takata, S; Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Y. (2010) Photoelectrochemical synthesis of silver-oxide Ag6O8AgNO3. 71th Fall meeting, Japan Society of Applied Physics , Nagasaki 2010-09-14 - 2010-09-17
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Academic lectureTanaka, R; Takata, S; Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Y. (2010) Photocatalytic synthesis of silver-oxide Ag6O8AgNO3. 4th international conferenece on the Science and Technology for Advanced Ceramics , Yokahama 2010-06-21 - 2010-06-23
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PosterFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott; Takamura, Yayoi. (2010) Ordering of the antiferromagnetic domains in nanostructured LaFeO3 thin films. 17th Intl. Workshop on Oxide Electronics , Awaji Island 2010-10-19 - 2010-10-22
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Academic lectureTakahashi, Ryota; Valset, Kjetil; Folven, Erik; Eberg, Espen; Grepstad, Jostein; Tybell, Thomas. (2010) Structurally ordered self-assembly of epitaxial Ba-Sn-O films. 71th Fall meeting, Japan Society of Applied Physics , Nagasaki 2010-09-14 - 2010-09-17
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Academic lectureTakahashi, Ryota; Lippmaa, M; Matsumoto, Y; Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2010) Pyroelectric Approach for Photo-assisted Domain Switching in Ferroelectric PbTiO3/Nb:SrTiO3 Thin Films. e-Therm 2010 , Tsukuba 2010-12-15 - 2010-12-17
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Academic lectureFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott; Takamura, Yayoi. (2010) Direct imaging of antiferromagnetic domains in nanostructured LaFeO3 thin films. National PhD Network, "Nanotechnology for Microsystems" 1st Annual Workshop, Nano Network , Tønsberg 2010-05-31 - 2010-06-02
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Academic lectureFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott; Takamura, Yayoi. (2010) Effects of nanostructuring on antiferromagnetism in LaFeO3 thin films. Materials Research Society Materials Research Society Spring Mtg., Symposium N; Functional Oxide Nanostructures and Heterostructures , San Francisco 2010-04-06 - 2010-04-09
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Academic lectureFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott; Takamura, Yayoi. (2010) Ordering of the antiferromagnetic domains in nanostructured LaFeO3 thin films. NTNU NanoLab 5th NTNU NanoLab Users Mtg. , Trondheim 2010-09-10 -
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Academic lectureFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott; Takamura, Yayoi. (2010) Ordering of the antiferromagnetic domains in nanostructured LaFeO3 thin films. Advanced Light Source, Lawrence Berkeley National Laboratory Advanced Light Source Users Mtg. 2010 , Berkeley 2010-10-13 - 2010-10-15
2009
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Academic lectureTakahashi, Ryota; Dahl, Øystein; Grepstad, Jostein; Katayama, M; Matsumoto, Yuji; Tybell, Thomas. (2009) Photochemical switching in ferroelectric PbTiO3 thin films studied by XRD and pyroelectric detection. The Third International Conference on the Science and Technology for Advanced Ceramics (STAC-3) , Yokohama 2009-06-16 - 2009-06-18
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Academic lectureYou, Chang Chuan; Liu, Yun; Takahashi, Ryota; Wahlström, Erik; Grepstad, Jostein; Borg, Anne. (2009) A new route to controlled nanostructures of complex oxides based on STM surface manipulation and subsequent physical deposition. Norges Forskningsråd Nanomat conference 2009 , Lillehammer 2009-06-16 - 2009-06-17
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Academic lectureBoschker, Jos Emiel; Monsen, Åsmund Fløystad; Folven, Erik; McEnroe, Suzanne; Grepstad, Jostein; Wahlström, Erik. (2009) In-plane modulations in La0.7Sr0.3MnO3 thin films: effect of substrate and initial growth. STINT Workshop on Oxide and Interface Magnetism , Trondheim 2009-11-16 - 2009-11-17
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Academic lectureWeigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society MRS Spring Meeting 2009 , San Francisco 2009-04-13 - 2009-04-17
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Academic lectureFolven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Tony; Retterer, Scott; Takamura, Yayoi. (2009) Investigation of antiferromagnetic nanostructures by X-ray Magnetic Linear Dichroism and Photoelectron Emission Microscopy. STINT Workshop on Oxide and Interface Magnetism , NTNU, Trondheim 2009-11-16 - 2009-11-17
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Academic lectureGrepstad, Jostein; Nordseth, Ørnulf; Kjellman, Jon Øyvind; You, Chang Chuan; Røyset, Arne Karstein; Tybell, Thomas. (2009) The case for electro-optic waveguide devices from ferroelectric (Pb,La)(Zr,Ti)O3 thin film epilayers. Society of Photo-Optical Instrumentation Engineers (SPIE) Intl. Symposium on Photoelectronic Detection and Imaging; Materials and Device Technology for Sensors , Beijing 2009-06-17 - 2009-06-19
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PosterNordseth, Ørnulf; You, Chang Chuan; Gariglio, Stefano; Triscone, Jean-Marc; Tybell, Thomas; Grepstad, Jostein. (2009) Ferroelectric (Pb,La)(Zr,Ti)O3 thin films epitaxially integrated on silicon; for electro-optic waveguide devices. EU STREP Project: NANOXIDE 2nd Intl. NANOXIDE Workshop , Parpan/Valbella, Graubünden 2009-04-05 - 2009-04-07
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PosterNordseth, Ørnulf; You, Chang Chuan; Gariglio, Stefano; Triscone, Jean-Marc; Tybell, Thomas; Grepstad, Jostein. (2009) Ferroelectric (Pb,La)(Zr,Ti)O3 thin films epitaxially integrated on silicon; for electro-optic waveguide devices. NTNU NanoLab 4th NTNU NanoLab Users Mtg. , Trondheim 2009-05-13 - 2009-05-14
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PosterSkåre, Daniel; Weigand, Christian Carl; Ladam, Cecile; Vardøy, Astrid-Sofie Borge; Dahl, Øystein; Bergren, Matt. (2009) Pulsed laser deposition of ZnO nanostructures for hybrid inorganic/organic solar cells. Centre for Renewable Energy (SFFE) Renewable Energy R&D-seminar, OPV2009: PV-materials , Oppdal 2009-03-19 - 2009-03-21
2008
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Academic lectureTakahashi, Ryota; Dahl, Øystein; Grepstad, Jostein; Katayama, M; Matsumoto, Yuji; Tybell, Thomas. (2008) Pyroelectric detection of photochemical switching in ferroelectric PbTiO3 thin films. Materials Research Society Mat. Res. Soc. 2008 Fall Mtg., Symposium C; Theory and Applications of Ferroelectric and Multiferroic Materials , Boston, MA 2008-12-01 - 2008-12-05
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Academic lectureNordseth, Ørnulf; Tybell, Thomas; Grepstad, Jostein. (2008) Growth and Optical Characterization of waveguiding epitaxial thin films of PLZT. 3rd NanoLab User Meeting , Trondheim 2008-03-06 -
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Academic lectureGrepstad, Jostein; Nordseth, Ørnulf; Røyset, Arne; Tybell, Thomas. (2008) Photonic crystal waveguides in epitaxial (Pb,La)(Zr,Ti)O3 thin films. EU FP6 Nanoxide Mtg. , Göteborg 2008-09-30 -
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Academic lectureTakahashi, Ryota; Dahl, Øystein; Grepstad, Jostein; Katayama, M; Matsumoto, Yuji; Tybell, Thomas. (2008) Transition between domain states in ferroelectric PbTiO3 thin films, driven by photochemical reaction. 15th Intl. Workshop on Oxide Electronics , Estes Park, CO 2008-09-14 - 2008-09-17
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Academic lectureWeigand, Christian Carl; Valset, K.; Fagerberg, Ragnar; Ladam, C.; Grepstad, Jostein; Weman, Helge. (2008) Pulsed laser deposition growth of ZnO nanostructures for electron transport in hybrid inorganic/organic solar cells. NTNU 3rd Nanolab User Meeting , Trondheim 2008-03-06 -
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PosterBaker, D.J.; Allen, C.G.; Albin, J.M.; Oertli, H.E.; Bergren, M.R.; Berman, T.D.. (2008) Functionalized zinc oxide for improved organic photovoltaic systems. Mat. Res. Soc. 2008 Fall Mtg., Symposium H: Physics and Technology of Organic Semiconductor Devices , Boston 2008-12-01 - 2008-12-05
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PosterWeigand, Christian Carl; Bergren, M.R.; Valset, K.; Carey, D.; Fagerberg, Ragnar; Ladam, C.. (2008) Characterization of ZnO thin films grown by pulsed laser deposition for hybrid inorganic/organic solar cells. 23rd European Photovoltaic Solar Energy Conference , Valencia 2008-09-01 - 2008-09-05
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PosterWeigand, Christian Carl; Bergren, M.R.; Valset, K.; Carey, D.; Fagerberg, Ragnar; Ladam, C.. (2008) Characterization of ZnO layers grown by pulsed laser deposition for hybrid inorganic/organic solar cells. NTNU 1st Intl. Nanosymposium@NTNU , Trondheim 2008-11-09 - 2008-12-09
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PosterNordseth, Ørnulf; Røyset, Arne; Tybell, Thomas; Grepstad, Jostein. (2008) Photonic crystal waveguides in (Pb,La)(Zr,Ti)O3 thin films. 1st Intl. Symposium on Nanotechnology@NTNU , Trondheim 2008-09-11 - 2008-09-12
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PosterNordseth, Ørnulf; Røyset, Arne; Tybell, Thomas; Grepstad, Jostein. (2008) Fabrication of nanotstructured optical waveguides in (Pb,La)(Zr,Ti)O3 epitaxial thin films. The University of Wisconsin-Madison 15th Intl. Workshop on Oxide Electronics , Estes Park, CO 2008-09-14 - 2008-09-17
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Popular scientific lectureGrepstad, Jostein. (2008) NTNU NanoLab; strategisk initiativ for nanoteknologisk forskning og utdanning ved NTNU. NTNU NanoLab Presentasjon for ledelsen ved Forsvarets Fosrkningsinstitutt og Sintef , NTNU, Trondheim 2008-06-25 -
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Popular scientific lectureGrepstad, Jostein. (2008) Medisinsk-teknisk forskning og utdanning ved IME-fakultetet; samarbeid med Intervensjonssenteret. Intervensjonssenteret, Rikshospitalet Symposium on "Research Collaboration - ICT and Medicine" , Oslo 2008-09-08 -
2007
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Academic lectureGrepstad, Jostein; Hole, Ingebrigt; Kristiansen, Tom; Tybell, Thomas; Takamura, Yayoi; Chopdekar, Rajesh V.. (2007) Effects of Strain on the Antiferromagnetic Order and Domain Structure in Heteroepitaxial LaFeO3 Thin Films. Jostein K. Grepstad and Chris Palmstrøm (co-chairs) European Workshop on Multifunctional Materials , Averøy 2007-06-17 - 2007-06-21
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Academic lectureTybell, Thomas; Takahashi, Ryota; Dahl, Øystein; Eberg, Espen; You, Chang Chuan; Grepstad, Jostein. (2007) Nanoscale Ferroelectrics; Stripe Domains, Switching, and Size Effects in Ultrathin PbTiO3 Films. Research Council of Norway NANOMAT 2007 , Bergen 2007-06-04 - 2007-06-09
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Academic lectureTybell, Thomas; Takahashi, Ryota; Dahl, Øystein; Eberg, Espen; Matsumoto, Yuji; Grepstad, Jostein. (2007) Off-Axis Sputtering of PbTiO3; Stripe Domains and Switching. Jostein Grepstad and Chris palmstrøm (co-chairs) European Workshop on Multifunctional Materials , Averøy 2007-06-17 - 2007-06-21
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Academic lectureTakahashi, Ryota; Grepstad, Jostein; Matsumoto, Yuji; Tybell, Thomas. (2007) Ferroelectric Stripe Domains and Polarization Reversal in Ultrathin PbTiO3 Films. Materials Research Society MRS Fall Mtg. 2007, Symposium K; Ferroelectrics, Multiferroics and Magnetoelectrics , Boston 2007-11-26 - 2007-11-30
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Academic lectureTybell, Thomas; Takahashi, Ryota; Grepstad, Jostein; Matsumuto, Yuji. (2007) Photocatalytic Studies of Ultrathin PbTiO3 Films. KIFEE KIFEE International Symposium on Environment, Energy and Materials , Otsu 2007-12-04 - 2007-12-07
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Academic lectureTakahashi, Ryota; Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2007) Photocatalyst as a tool to study nanoscale ferroelectrics. NTNU NanoLab 2nd NTNU Nanolab User Meeting 2007-03-07 - 2007-03-07
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Academic lectureYou, Chang Chuan; Liu, Yun; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2007) Epitaxial ferroelectric mesa structures based on nanoscale structuring. FUNMAT FUNMAT Meeting 2007 , Bergen 2007-06-08 - 2007-06-08
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Academic lectureNordseth, Ørnulf; Tybell, Thomas; Røyset, Arne; Grepstad, Jostein. (2007) Growth and characterization of PLZT thin films on buffered silicon substrates. Norges forskningsråd 4th National FUNMAT Meeting , Bergen 2007-06-08 - 2007-06-08
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Academic lectureTakahashi, Ryota; Grepstad, Jostein; Matsumoto, Yuji; Tybell, Thomas. (2007) Observation and Manipulation of Ferroelectric Stripe Domains in Ultra-Thin PbTiO3 Films. 14th Intl. Workshop on Oxide Electronics , Juji Island 2007-10-07 - 2007-10-10
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PosterNordseth, Ørnulf; Tybell, Thomas; Røyset, Arne; Grepstad, Jostein. (2007) Epitaxial PLZT thin films on buffered Si(100). Norges forskningsråd NANOMAT Conference 2007 , Bergen 2007-06-04 - 2007-06-09
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PosterNordseth, Ørnulf; Røyset, Arne; Tybell, Thomas; Grepstad, Jostein. (2007) Index-guiding thin films of PLZT epitaxially integrated with silicon. Materials Research Society 2007 MRS Fall Meeting, Symposium K; Ferroelectrics, Multiferroics, and Magnetoelectronics , Boston, MA 2007-11-26 - 2007-11-30
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PosterYou, Chang Chuan; Liu, Yun; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2007) Nanoscale Structuring of Oxide Template for Epitaxial Ferroelectric Mesa Structures. Research Council of Norway NANOMAT 2007 , Bergen 2007-06-04 - 2007-06-09
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PosterYou, Chang Chuan; Liu, Yun; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2007) Fabrication of PbTiO3 Mesa Structures on Nanostructured Templates. 14th Intl. Workshop on Oxide Electronics , Jeju Island 2007-10-07 - 2007-10-10
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PosterNordseth, Ørnulf; Tybell, Thomas; Grepstad, Jostein. (2007) Numerical Simulation of Photonic Band gap Waveguides in PLZT Thin Films. NTNU Nanolab 2nd Nanolab Users Meeting , Trondheim 2007-03-07 -
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Popular scientific lectureGrepstad, Jostein. (2007) Nobelprisen i fysikk 2007; fra vitenskapelig oppdagelse til ny teknologi i menigmanns eie - på rekordtid. GAK v/Ivar Svare Gløshaugen Akademiske Klubb , Trondheim 2007-11-22 -
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Popular scientific lectureGrepstad, Jostein. (2007) Nobel Prize in Physics 2007; from Scientific Discovery to Everyone's Gadget - in Record Time. PhD-studentene IET v/Erik Folven PhD seminar, Institutt for elektronikk og telekommunikasjon , NTNU 2007-12-13 -
2006
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Academic lectureNordseth, Ørnulf; Bernstein, Ralph W.; Grepstad, Jostein; Tybell, Thomas. (2006) Modeling of Optical Propagation in Photonic Band Gap Waveguides in Thin Films of PLZT. NTNU 4th Topical THIOX Meeting , Trondheim 2006-03-19 - 2006-03-21
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Academic lectureTakahashi, Ryota; Dahl, Øystein; Eberg, Espen; You, Chang Chuan; Grepstad, Jostein; Tybell, Thomas. (2006) Case for stripe domains from x-ray studies of PbTiO3 Thin Films. T. Tybell, NTNU 4th THIOX Topical Meeting 2006-03-19 - 2006-03-21
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Academic lectureDahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2006) Preferential polarization state in PbTiO3 thin films. 4th Topical THIOX Meeting 2006-03-19 - 2006-03-21
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Academic lectureDahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2006) Preferential polarization direction in PbTiO3 ultra thin films. 3rd national FUNMAT meeting 2006-01-05 - 2006-01-06
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Academic lectureNordseth, Ørnulf; Bernstein, Ralph W.; Grepstad, Jostein; Tybell, Thomas. (2006) Simulation of photonic waveguides in ferroelectric thin films. FUNMAT 3rd national FUNMAT meeting , Trondheim 2006-01-05 - 2006-01-06
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PosterTakahashi, Ryota; Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2006) Thickness Modulation of Stripe Domains in PbTiO3 Thin Films. 13th International Workshop on Oxide Electronics , Ischia 2006-10-08 - 2006-10-11
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PosterTakahashi, Ryota; Dahl, Øystein; Eberg, Espen; Grepstad, Jostein; Tybell, Thomas. (2006) Thickness Dependent Stripe Domains in Thin PbTiO3 Films. MRS Material Research Society 2006 Fall meeting , Boston 2006-11-27 - 2006-12-01
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PosterNordseth, Ørnulf; Bernstein, Ralph W.; Grepstad, Jostein; Tybell, Thomas. (2006) Computer Modeling of Photonic Band Gap Waveguides in Ferroelectric Thin Films. NTNU NanoLab 1st NanoLab User Meeting , Trondheim 2006-03-09 - 2006-03-10
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PosterNordseth, Ørnulf; Bernstein, Ralph W.; Tybell, Thomas; Grepstad, Jostein. (2006) Photonic Band Gap Waveguides in PLZT. Norwegian Physical Society Northern Optics 2006 , Bergen 2006-06-14 - 2006-06-16
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Popular scientific lectureGrepstad, Jostein. (2006) NTNU NanoLab; an update on the NTNU nanotechnology initiative. Tekna Studiemøtet Elektronikk og data , Sundvolden 2006-10-11 - 2006-10-12
2005
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Academic lectureDahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2005) Pyroelectricity as a probe to ultrathin ferroelectrics. Universitetet i Oslo 2nd national FUNMAT meeting , Olavsgaard 2005-01-05 - 2005-01-07
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Academic lectureGrepstad, Jostein. (2005) Effects of strain on the antiferromagnetic order and domain structure of epitaxial LaFeO3 thin films. FUNMAT 2nd National FUNMAT Meeting , Olavsgaard, Kjeller 2005-01-03 - 2005-01-05
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Academic lectureKumar, Sarin Annakat K; Rønnekleiv, Arne; Engan, Helge Emil; Grepstad, Jostein; Triscone, J.-M.; Tybell, Thomas. (2005) Ferroelectric SAW transducer. Universitet i Oslo 2nd national FUNMAT meeting , Olavsgaard 2005-01-05 - 2005-01-07
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Academic lectureYou, Chang Chuan; Dahl, Øystein; Borg, Anne; Grepstad, Jostein; Tybell, Thomas. (2005) Fabrication of ferroelectric quantum dots. FUNMAT 2nd national FUNMAT meeting , Lillestrøm (Hvam) 2005-01-05 - 2005-01-07
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Academic lectureTakamura, Yayoi; Suzuki, Yuri; Grepstad, Jostein; Chopdekar, Rajesh V.; Marshall, Ann F.; Zheng, H.. (2005) Complex Interactions between Structural, Magnetic, and Electronic Properties of Epitaxial Thin Films of the Bilayer Manganite La1.2Sr1.8Mn2O7. American Physical Society American Physical Society March Meeting , Los Angeles 2005-03-05 -
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Academic lectureKumar, Sarin Annakat K; Rønnekleiv, Arne; Engan, Helge Emil; Grepstad, Jostein; Tybell, Thomas. (2005) Interaction between Surface Acoustic Waves and Ferroelectric Domain Walls Investigated with a Phase Sensitive Laser Probe. 12th International Workshop on Oxide Electronics , Chatham 2005-10-01 -
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Academic lectureGrepstad, Jostein; Takamura, Yayoi; Scholl, Andreas; Hole, Ingebrigt; Suzuki, Yuri; Tybell, Thomas. (2005) XMLD Study of the Surface Antiferromagnetic Order and Domain Structure in Epitaxial LaFeO3 Thin Films; Effects of Strain and Strain Relaxation. Department of Chemistry, NTNU 3rd Norwegian Users Meeting; Application of Synchrotron Radiation , Orkanger 2005-03-01 -
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PosterDahl, Øystein; Örtegren, Jonas; Lindgren, Mikael; Grepstad, Jostein; Tybell, Thomas. (2005) Optical and Pyroelectric Characterization of Ferroelectric Thin Films. 12th International Workshop on Oxide Electronics , Chatham 2005-10-01 -
2004
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Academic lectureDahl, Øystein; Hallsteinsen, Svein; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2004) Nanoscale etching of SrRuO3 by STM. NTNU og SINTEF 5th Nordic Baltc Workshop on scanning probe microscopy , Trondheim 2004-06-16 - 2004-06-19
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Academic lectureDahl, Øystein; Hallsteinsen, Svein; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2004) Nanoetching of metallic perovskites using STM. Materials Research Society 2004 MRS Spring Meeting; Symp. E "Integration challenges in next-generation oxide-based nanoelectronics" , San Francisco 2004-04-12 - 2004-04-16
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Academic lectureDahl, Øystein; Van Helvoort, Antonius; Soleim, B.G.; Grepstad, Jostein; Holmestad, Randi; Grande, Tor. (2004) The influence of thickness in epitaxial PbTiO3 thin films. Tokyo Institute of Technology 11th Intl. Workshop on Oxide Electronics , Hakone 2004-10-03 - 2004-10-05
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Academic lectureÖgmundsson, Andrés; Monakhov, Eduard V.; Hansen, Thor Erik; Grepstad, Jostein; Svensson, Bengt G.. (2004) Electrically active centers induced by electron irradiation in n-type Si detectors. 5th International Conference on Radiation Effects on Semiconductor Materials, Detectors, and Devices , Firenze 2004-10-10 - 2004-10-13
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Academic lectureTakamura, Yayoi; Grepstad, Jostein; Zheng, Hong; Mitchell, John F.; Suzuki, Yuri. (2004) Structural, magnetic and electronic properties of epitaxial thin films of the bilayer manganite La1.2Sr1.8Mn2O7. Materials Research Society MRS 2004 Fall Meeting; Symp. H "Functional and Multifunctional Oxide Films" , Boston 2004-11-29 - 2004-12-03
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Academic lectureGrepstad, Jostein; Takamura, Yayoi; Scholl, Andreas; Hole, Ingebrigt; Tybell, Thomas; Suzuki, Yuri. (2004) Effects of thermal annealing in oxygen on the antiferromagnetic order and domain structure of epitaxial LaFeO3 thin films. Tokyo Institute of Technology 11th Intl. Workshop on Oxide Electronics , Hakone 2004-10-03 - 2004-10-05
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PosterTakamura, Yayoi; Grepstad, Jostein; Chopdekar, Rajesh V.; Scholl, Andreas; Zheng, Hong; Mitchell, John F.. (2004) Layered and cubic half metallic oxide thin films and heterostructures. Lawrence Berkeley National Laboratory LDRD Program Lawrence Berkeley National Laboratory LDRD Workshop , Napa 2004-10-14 -
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PosterDahl, Øystein; Hallsteinsen, Svein; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2004) Nanoscale etching of SrRuO3 using STM. Tokyo Institute of Technology 11th Intl. Workshop on Oxide Electronics , Hakone 2004-10-03 - 2004-10-05
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PosterTybell, Thomas; Grepstad, Jostein. (2004) Functional materials for oxide electronics. NFR NANOMAT-konferansen 2004 , Soria Moria, Oslo 2004-06-03 - 2004-06-04
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PosterYou, Chang Chuan; Hallsteinsen, Svein; Grepstad, Jostein; Borg, Anne; Tybell, Thomas. (2004) Fabrication of nanoscale SrRuO3/SrTiO3 templates for epitaxial ferroelectric quantum dots. Norwegian Physical Society Condensed Matter group Norwegian Physical Society Condensed Matter Meeting , Wadahl 2004-09-16 - 2004-09-19
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PosterKumar, Sarin Annakat K; Rønnekleiv, Arne; Engan, Helge Emil; Grepstad, Jostein; Triscone, J.-M.; Tybell, Thomas. (2004) Study of surface acoustic waves using a phase sensitive laser probe. Norwegian Physical Society Condensed Matter group Norwegian Physical Society Condensed Matter Meeting , Wadahl 2004-09-16 - 2004-09-19
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PosterDahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2004) Pyroelectricity as a probe of ferroelectric size-effects. Norwegian Physical Society Condensed Matter group Norwegian Physical Society Condensed Matter Meeting , Wadahl 2004-09-16 - 2004-09-19
2003
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Academic lectureGrepstad, Jostein. (2003) Epitaxial oxide thin film research at the Norwegian University of Science and Technology. UCB, Dept. of Materials Science and Engineering UC Berkeley, MS&E Thursday Seminars , Berkeley, California 2003-11-13 -
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PosterTybell, Thomas; Dahl, Øystein; Grepstad, Jostein; Borg, Anne. (2003) Etching of nanostructures in metallic perovskites using STM. STM2003 , Eindhoven, Nederland 2003-07-25 -
2002
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Academic lectureWandera, Andrew; Grepstad, Jostein. (2002) LBIC; An electro-optical technique for characterising poly-crystalline silicon PV solar cells on a microscopic scale. NTNU Seminar on Norwegian Solar Cell Industry , Trondheim 2002-08-27 - 2002-08-28
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Academic lectureHole, Ingebrigt; Tybell, Thomas; Wærnhus, Ivar; Grande, Tor; Wiik, Kjell; Grepstad, Jostein. (2002) Høgtemperatur transportdynamikk i heteroepitaksielle tynnfilmer av LaFeO3. Nasjonalt perovskittmøte , Jessheim, Norge 2002-06-04 -
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Academic lectureHole, Ingebrigt; Tybell, Thomas; Wærnhus, Ivar; Grande, Tor; Wiik, Kjell; Grepstad, Jostein. (2002) High temperature transport kinetics in heteroepitaxial LaFeO3 thin films. 9th International Workshop on Oxide Electronics (WOE9) , St. Petersburg, Florida, USA 2002-10-22 -
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Academic lecturePettersen, Sverre Vegard; Tybell, Thomas; Rønnekleiv, Arne; Rooth, Stig; Schwegler, V.; Grepstad, Jostein. (2002) Surface acoustic wave resonator from thick movpe-grown layers of GaN(0001) on Sapphire. Materials Research Society Materials Research Society (MRS) Fall Ntg., Symposium L "GaN and Related Alloys" , Boston, USA 2002-12-03 -
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PosterHole, Ingebrigt; Tybell, Thomas; Wærnhus, Ivar; Grande, Tor; Wiik, Kjell; Grepstad, Jostein. (2002) High temperature transport kinetics in heteroepitaxial LaFeO3 thin films. 9th Intl. Workshop on Oxide Electronics , St. Pete Beach, Florida 2002-10-20 - 2002-10-23
1999
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PosterHeinlein, Christian; Fimland, Bjørn-Ove; Grepstad, Jostein; Berge, Torunn. (1999) Selective area regrowth of n-GaAs with clean growth-interrupted interfaces using arsenic passivation. 10th International Conference on Molecular Beam Epitaxy , Cannes, September 1998
1997
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Academic lectureGrepstad, Jostein; Gong, Zheng-Hong; Rønnekleiv, Arne. (1997) Surface acoustic wave filter with superconducting transducer electrodes. NATO Advanced Study Institute on Applications of Superconductiv ity , [Mangler data]
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Academic lectureHeinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove. (1997) Selective area epitaxy of n-GaAs with clean growth-interrupted interfa ces using arsenic passivation. IX European Workshop on MBE , Oxford
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Academic lectureHeinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove. (1997) Regrowth of n-GaAs using an As capping layer. Norsk fysisk selskap; kondenserte fasers fysikk og kjemi , Rondablikk
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Popular scientific lectureGrepstad, Jostein. (1997) Høytemperatur supraledende elektronikk : materialer, anvendelser og markedsområder. Seminar om superlederteknologi , Norges forskningsråd, Oslo
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Popular scientific lectureGrepstad, Jostein. (1997) Høytemperatur supraledende tynne filmer : materialer og anvendelsesområder. Seminar, nasjonalt senter for superlederteknologi , NTNU, Trondheim
1996
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Academic lectureHeinlein, Ch.; Grepstad, Jostein; Riechert, H.. (1996) Preconditioning of sapphire substrate for GaN epitaxy. European Materials Research Society (E-MRS) Spring Meeting , [Mangler data]
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Academic lectureHeinlein, Christian; Grepstad, Jostein; Riechert, Henning; Averbeck, Robert. (1996) Surface characterisation of plasma treated sapphire substrate for GaN epitaxy. Seminar i kondenserte fasers fysikk og kjemi , -
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Academic lectureGrepstad, Jostein; Gong, Zhenghong. (1996) A surface acoustic wave filter with YBa%cCu%dO%8-_d superconducting el ectrodes. Seminar i kondenserte fasers fysikk og kjemi , -
1995
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Academic lectureGong, Zhenghong; Grepstad, Jostein; Andersen, S.; Bardal, A.; Høier, Rangvald. (1995) Artificially fabricated YBa%c-Cu%dO%h-_d interfaces. Materials Research Society Fall Meeting , Boston
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Popular scientific lectureGrepstad, Jostein. (1995) Characterization of the YBa%cCu%dO%h-_d/Ag interface. Seminar in Microelectronics and Sensor Technology , Lillehammer
1994
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Academic lectureGrepstad, Jostein; Husby, Haldor; Bernstein, Ralph W.; Fimland, Bjørn-Ove. (1994) AlGaAs Microelectronic Device Processing Using an As Capping Layer. Materials Research Society Materials Research Society Fall Mtg. , Boston 1994-12-01 -
1990
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Academic lectureRaaen, Steinar; Braaten, Nils A.; Grepstad, Jostein. (1990) Solid State Reactions at Room Temperature in Rare Earth on Noble Metal Systems. American Physical Society March Meeting og the American Physical Society , Anaheim, California 1990-03-05 -
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Academic lectureBorg, Anne; Bernstein, Ralph W.; Grepstad, Jostein. (1990) Ce Promoted Oxidation of GaAs(100) Surfaces. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed matter Physics and Chemistry 1990-10-12 -
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Academic lectureFagerberg, Ragnar; Gong, Zhenghong; Grepstad, Jostein. (1990) In Situ Epitaxial Growth of Superconducting YBa2Cu3O7 Thin Films by Single-Target Magnetron Sputtering. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed Matter Physics and Chemistry , Rondablikk 1990-10-12 -
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Academic lectureBraaten, Nils A.; Grepstad, Jostein; Raaen, Steinar. (1990) K promoted oxygen adsorption on Al and Ta. European Physical Society 10th General Conference of Condensed Matter Division of European Physical Society , Porto 1990-06-10 -
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Academic lectureGrepstad, Jostein; Grande, Alf P.; Niedermann, Philipp; Triscone, Jean-Marc; Karkut, Michael G.; Brunner, Olivier. (1990) Investigation by X-ray Photoelectron Spectroscopy of Thin Ag Overlayers on YBa2Cu3O7; Effects of Oxygen Annealing. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed Matter Physics and Chemistry , Rondablikk 1990-10-12 -
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PosterBorg, Anne; Bernstein, Ralph W.; Grepstad, Jostein; King, P.L.; Yang, X; Pianetta, Piero. (1990) Ce Promoted Oxidation of GaAs(100) Surfaces. 20th Intl. Conference on the Physics of Semiconductors (ICPS) , Thessaloniki 1990-07-30 -
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PosterGrepstad, Jostein; Bernstein, Ralph W.. (1990) Surface Cleaning of CF4 Plasma Etched GaAs(100) Substrate by Thermal Annealing in Hydrogen. Aarhus University 14th Nordic Semiconductor Meeting 1990-06-24 -
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PosterBernstein, Ralph W.; Grepstad, Jostein. (1990) XPS Investigation of the Ti/Al0.3Ga0.7As(100) Interface. Aarhus University 14th Nordic Semiconductor Meeting , Aarhus 1990-06-24 -
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PosterBernstein, Ralph W.; Borg, Anne; Johannessen, Kjetil; Grepstad, Jostein. (1990) XPS Investigation of the Ti/GaAs(100) and the Ti/Al0.3Ga0.7As(100) Interfaces. 17th Annual Conference on the Physics and Chemistry of Semiconductor Interfaces (PCSI). , Clearwater Beach, Florida 1990-09-05 -
1989
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Academic lectureBernstein, Ralph W.; Grepstad, Jostein. (1989) Removal of the Surface Reaction Layer from Wet and Dry Etched GaAs(100) Wafers by Thermal Annealing in Hydrogen. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed Matter Physics and Chemistry , Rondablikk 1989-10-12 -
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Academic lectureGrepstad, Jostein; Braaten, Nils A.; Raaen, Steinar. (1989) Enhanced Oxidation of the Substrate Metal in Ce/Ta and Ce/Al Reactive Overlayer Systems. University of Hawaii 9th Vacuum Ultraviolet Radiation Conference (VUV9) , Honolulu 1989-07-27 -
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Academic lectureBraaten, Nils A.; Raaen, Steinar; Grepstad, Jostein. (1989) K Promoted Oxygen Adsorption on Al and Ta. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed Matter Physics and Chemistry , Rondablikk 1989-10-12 -
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Academic lectureGrepstad, Jostein; Niedermann, Philipp; Grande, Alf P.; Triscone, Jean-Marc; Karkut, Michael G.; Brunner, Olivier. (1989) XPS Study of Thin Ag Overlayers on YBa2Cu3O7-x; Effects of Oxygen Annealing. Chalmers University of Technology (CTH) HTS Workshop on "Spectroscopy and Physical Properties of High-Tc Superconductors" , Göteborg 1989-12-10 -
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Academic lectureRaaen, Steinar; Braaten, Nils A.; Grepstad, Jostein; Qiu, S.L.. (1989) Catalytic Oxidation of Aluminium. American Physical Society March Meeting of the American Physical Society , St. Louis 1989-03-15 -
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Academic lectureRaaen, Steinar; Braaten, Nils A.; Grepstad, Jostein. (1989) Solid State Reactions at Room Temperature in Rare Earth on Noble Metal Overlayer Systems. Norwegian Physical Society Norwegian Physical Society Seminar on Condensed matter Physics and Chemistry , Rondablikk 1989-10-12 -
1988
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Academic lectureGrepstad, Jostein. (1988) Katalysert Oksidasjon av Metaller under Tynne Overlag av Ce. Norsk Fysisk Selskap Norsk Fysisk Selskap - seminar i kondenserte fasers fysikk og kjemi , Rondablikk 1988-10-01 -
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Academic lectureBernstein, Ralph W.; Grepstad, Jostein. (1988) GaAs(100) Substrate Cleaning by Thermal Annealing in Hydrogen. American Vacuum Society 35th American Vacuum Society National Symposium , Atlanta 1988-10-10 -
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Academic lectureGrepstad, Jostein. (1988) Catalytic Oxidation of Metals by Thin Overlayers of Cerium. Linköping University Seminar, Linköping University , Linköping 1988-11-10 -
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PosterGrepstad, Jostein; Niedermann, Philipp; Triscone, Jean-Marc; Karkut, Michael G.; Antognazza, Louis; Fischer, Øystein. (1988) Topography and Interface Reactions of Superconducting YBa2Cu3O7-x Thin Films, Investigated by Auger Depth Profiling, STM and SEM. University of Geneva 1st Intl. Conf. on Materials and Mechanisms of Superconductivity; High-Temperature Superconductors (M2S-HTSC1) , Interlaken 1988-02-25 -
1987
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Academic lectureBraaten, Nils A.; Raaen, Steinar; Grepstad, Jostein. (1987) Oxidation of Chromium and Nickel Covered by Thin Overlayers of Cerium. Linköping University 2nd Nordic Conference on Surface Science (NCSS-2) , Linköping 1987-06-15 -
1986
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Academic lectureBernstein, Ralph W.; Grepstad, Jostein. (1986) XPS Characterization of GaAs Surfaces Prepared by Chemical Etching Processes Frequently Employed in Microcircuit Fabrication. Senter for Industriforskning (SI) 12th Nordic Semiconductor Meeting , Jevnaker 1986-06-25 -
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Popular scientific lectureGrepstad, Jostein. (1986) NALOS - Nasjonalt Laboratorium for Overflatestudier. Norges Ingeniørforening Studiemøtet for elektronikk og data , Lillehammer 1986-06-10 -
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PosterBergene, Edvard; Grepstad, Jostein; Holmen, Anders. (1986) Oxidation-Reduction Behaviour of Pt-Rh Alloys. National Physical Laboratory 4th International Conference on Quantitative Surface Analysis , Teddington, London 1986-11-01 -
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PosterBernstein, Ralph W.; Grepstad, Jostein. (1986) Quantitative XPS Analysis of the Surface Reaction Layers Formed by Chemical Processing of GaAs(100). National Physical Laboratory 4th International Conference on Quantitative Surface Analysis , Teddington, London 1986-11-01 -
1981
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Academic lectureGrepstad, Jostein; Slagsvold, Bjørn J.. (1981) Experimental Observation of Direct Transitions in Angle-Resolved UV Photoemission from the Al(111) Surface. H.C. Ørsted Institute Nordic Solid State Physics Conference , Copenhagen 1981-07-03 -
1980
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Academic lectureGrepstad, Jostein; Helgesen, Jan; Slagsvold, Bjørn J.. (1980) Experimental Observation of Final State Plane Wave Hyridization in UV Photoemission from Cu(111). Cornell University 40th Annual Conference on Physical Electronics , Ithaca 1980-07-01 -
1979
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Academic lectureGrepstad, Jostein; Slagsvold, Bjørn J.. (1979) Experimental Observation of the Polar Angle Dependence of Photoemission from Copper. University of Bergen Annual Meeting of the Norwegian Physical Society , Bergen 1979-06-25 -
1975
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Academic lectureGrepstad, Jostein. (1975) The Photoelectric Vector Effect in Clean Aluminium. University of Bergen Annual Meeting of the Norwegian Physical Society , Bergen 1975-06-23 -