Jostein 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

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. volum 118.
Slöetjes, Samuel Dingeman; Digernes, Einar; Strømberg, Anders; Olsen, Fredrik Kjemperud; Bang, Ambjørn Dahle; N'diaye, Alpha T; Chopdekar, Rajesh V.; Folven, Erik; Grepstad, Jostein. (2021) Effects of array shape and disk ellipticity in dipolar-coupled magnetic metamaterials. Physical review B (PRB). volum 104 (13).

2020

Digernes, Einar; Slöetjes, Samuel Dingeman; Strømberg, Anders; Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Arenholz, Elke; Chopdekar, Rajesh V.; Grepstad, Jostein; Folven, Erik. (2020) Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial. Physical Review Research (PRResearch). volum 2 (1).
Olsen, Fredrik Kjemperud; Bang, Ambjørn Dahle; Digernes, Einar; Slöetjes, Samuel Dingeman; Andreas, Scholl; Chopdekar, Rajesh V.; Tybell, Per Thomas Martin; Grepstad, Jostein; Folven, Erik. (2020) Enhanced magnetic signal along edges of embedded epitaxial La0.7Sr0.3MnO3 nanostructures. Journal of Magnetism and Magnetic Materials. volum 521 (1).
Slöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2020) Exchange explosions of topological edge defects in a square micromagnet. Physical review B (PRB). volum 101 (1).

2019

Bang, Ambjørn Dahle; Hallsteinsen, Ingrid; Chopdekar, Rajesh V.; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Kjærnes, Kristoffer; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Shape-imposed anisotropy in antiferromagnetic complex oxide nanostructures. Applied Physics Letters. volum 115 (11).
Bang, Ambjørn Dahle; Hallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Retterer, Scott T; Scholl, Andreas; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Neel vector reorientation in ferromagnetic/antiferromagnetic complex oxide nanostructures. Applied Physics Letters. volum 114 (19).
Slöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Qian; Yang, M.; Qiu, Z.Q.; N'diaye, Alpha T; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Effects of lattice geometry on the dynamic properties of dipolar-coupled magnetic nanodisk arrays. Physical review B (PRB). volum 99 (064418).

2018

Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Scholl, Andreas; Retterer, Scott T.; Vaz, Carlos; Tybell, Per Thomas Martin; Folven, Erik; Grepstad, Jostein. (2018) Magnetic domain formation in ultrathin complex oxide ferromagnetic/antiferromagnetic bilayers. Applied Physics Letters. volum 113 (13).
Slöetjes, Samuel Dingeman; Digernes, Einar; Olsen, Fredrik Kjemperud; Chopdekar, Rajesh V.; Retterer, Scott T.; Folven, Erik; Grepstad, Jostein. (2018) Interplay between bulk and edge-bound topological defects in a square micromagnet. Applied Physics Letters. volum 112 (4).

2017

Calabrese, G; Pettersen, Sverre Vegard; Pfuller, C; Ramsteiner, M; Grepstad, Jostein; Brandt, O; Geelhaar, L; Fernandez-Garrido, S. (2017) Effect of surface roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils. Nanotechnology. volum 28 (42).
Hallsteinsen, Ingrid; Moreau, Magnus; Chopdekar, R.V.; Christiansen, Emil; Nord, Magnus Kristofer; Vullum, Per Erik; Grepstad, Jostein; Holmestad, Randi; Selbach, Sverre Magnus; Scholl, A; Arenholz, E; Folven, Erik; Tybell, Per Thomas Martin. (2017) Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films. APL Materials. volum 5 (8).
Lee, Michael S.; Wynn, Thomas A.; Folven, Erik; Chopdekar, Rajesh V.; Scholl, Andreas; Retterer, Scott; Grepstad, Jostein; Takamura, Yayoi. (2017) Temperature and Orientation Dependent Exchange Coupling in Epitaxial Oxide Micromagnets. PHYSICAL REVIEW MATERIALS. volum 1.
Slöetjes, Samuel Dingeman; Urdahl, Hans Henrik; Grepstad, Jostein; Folven, Erik. (2017) Tailoring the magnetic order in a supermagnetic metamaterial. AIP Advances. volum 7 (5).

2016

Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, A; Nord, Martin; Vullum, Per Erik; Gilbert, DA; Bolstad, Torstein; Grepstad, Jostein; Holmestad, Randi; Selbach, Sverre Magnus; N'Diaye, AT; Kirby, BJ; Arenholz, E; Tybell, Per Thomas Martin. (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. volum 94 (20).
Lee, Michael S; Wynn, Thomas A; Folven, Erik; Chopdekar, Rajesh V.; Scholl, Andreas; Young, Anthony T; Retterer, Scott T; Grepstad, Jostein Kvaal; Takamura, Yayoi. (2016) Tailoring Spin Textures in Complex Oxide Micromagnets. ACS Nano. volum 10 (9).

2015

Folven, Erik; Linder, Jacob; Gomonay, Helen V.; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott; Malik, V.K.; Tybell, Per Thomas Martin; Takamura, Yayoi; Grepstad, Jostein. (2015) Controlling the switching field in nanomagnets by means of domain-engineered antiferromagnets. Physical Review B. Condensed Matter and Materials Physics. volum 92 (9).
Hallsteinsen, Ingrid; Folven, Erik; Olsen, Fredrik Kjemperud; Chopdekar, R.V.; Rzchowski, M; Eom, C.B.; Grepstad, Jostein; Tybell, Per Thomas Martin. (2015) Crystalline symmetry controlled magnetic switching in epitaxial (111) La0.7Sr0.3MnO3 thin films. APL Materials. volum 3 (6).

2013

Boschker, Jos Emiel; Monsen, Åsmund Fløystad; Nord, Magnus Kristofer; Mathieu, Roland; Grepstad, Jostein; Holmestad, Randi; Wahlström, Erik; Tybell, Thomas. (2013) In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films. Philosophical Magazine. volum 93 (13).
Brataas, Arne; Mathiesen, Ragnvald; Grande, Tor; Roven, Hans Jørgen; Grepstad, Jostein; Echtermeyer, Andreas; Johnsen, Roy; Krøkje, Åse. (2013) Enabling technologies at NTNU; materials science and engineering. 2013.
Grepstad, Jostein; Tybell, Thomas; Fossheim, Kristian Johan; Sudbø, Asle; Hemmer, Per Christian. (2013) In Memoriam: Øystein H. Fischer. Fra Fysikkens Verden.
Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik; Grepstad, Jostein; Holmestad, Randi; Eom, CB; Tybell, Thomas. (2013) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Journal of Applied Physics. volum 113 (18).
Takamura, Yayoi; Folven, Erik; Shu, JBR; Lukes, KR; Li, Binzhi; Scholl, Andreas; Young, AT; Retterer, ST; Tybell, Thomas; Grepstad, Jostein. (2013) Spin-Flop Coupling and Exchange Bias in Embedded Complex Oxide Micromagnets. Physical Review Letters. volum 111 (10).
Weigand, Christian Carl; Crisp, Ryan; Ladam, Cecile; Furtak, Tom; Collins, Reuben; Grepstad, Jostein; Weman, Helge. (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. volum 545.

2012

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. volum 12 (2).
Folven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2012) Crossover from spin-flop coupling to collinear spin alignment in antiferromagnetic/ferromagnetic thin film nanostructures. Nano Letters. volum 12 (5).
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. volum 185 (10).
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. volum 15 (4).
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. volum 355 (1).

2011

Boschker, Jos Emiel; Folkman, Chad; Bark, C.W.; Monsen, Åsmund Fløystad; Folven, Erik; Grepstad, Jostein; Wahlström, Erik; Eom, C.B.; Tybell, Thomas. (2011) Structural coupling across the LaAlO3/SrTiO3 interface: High-resolution x-ray diffraction study. Physical Review B. Condensed Matter and Materials Physics. volum 84 (20).
Folven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2011) Effects of nanostructuring and substrate symmetry on antiferromagnetic domain structure in LaFeO3 thin films. Physical Review B. Condensed Matter and Materials Physics. volum 84 (22).
Weigand, Christian Carl; Bergren, M.R.; Ladam, Cecile; Tveit, Johannes; Holmestad, Randi; Vullum, Per Erik; Walmsley, John; Dahl, Øystein; Furtak, T.E.; Collins, R.T.; Grepstad, Jostein; Weman, Helge. (2011) Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition. Crystal Growth & Design. volum 11 (12).
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. volum 6.

2010

Folven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott T; Takamura, Yayoi; Grepstad, Jostein. (2010) Antiferromagnetic Domain Reconfiguration in Embedded LaFeO3 Thin Film Nanostructures. Nano Letters. volum 10 (11).
Nordseth, Ørnulf; You, Chang Chuan; Folven, Erik; Gariglio, S; Sambri, A; Triscone, JM; Reiner, JW; Ahn, CH; Tybell, Thomas; Grepstad, Jostein. (2010) Growth and characterization of (Pb,La)(Zr,Ti)O-3 thin film epilayers on SrTiO3-buffered Si(001). Thin Solid Films. volum 518 (19).
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. volum 97.
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. volum 97 (8).
Tanaka, R; Takata, S; Katayama, M; Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Y. (2010) Photocatalytic synthesis of Silver-Oxide clathrate Ag6O8AgNO3. Journal of the Electrochemical Society. volum 157 (12).

2009

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. volum 27 (3).
Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2009) Polarization direction and stability in ferroelectric lead titanate thin films. Journal of Applied Physics. volum 106 (8).
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. volum 7381.
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. volum 517 (8).
Takahashi, Ryota; Katayama, M; Dahl, Øystein; Grepstad, Jostein; Matsumoto, Yuji; Tybell, Thomas. (2009) Epilayer control of photodeposited materials during UV photocatalysis. Applied Physics Letters. volum 94 (23).
Weigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar; Furtak, Tom; Collins, Reuben; Grepstad, Jostein; Weman, Helge. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society Symposium Proceedings. volum 1174 (V07).
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. volum 20 (25).

2008

Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2008) Crystalline and dielectric properties of sputter deposited PbTiO3 thin films. Journal of Applied Physics. volum 103.
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. volum 104.
Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Yuji. (2008) Photochemical switching of ultrathin PbTiO3 films. Applied Physics Letters. volum 92.
Weigand, Christian Carl; Bergren, Matt; Valset, Kjetil; Carey, David; Fagerberg, Ragnar; Ladam, Cecile; Grepstad, Jostein; Weman, Helge; Furtak, Tom; Collins, Reuben. (2008) Characterization of ZnO Layers Grown by Pulsed Laser Deposition for Hybrid Inorganic/Organic Solar Cells. The Proceedings of the 23rd European Photovoltaic Solar Energy Conference.

2007

Grepstad, Jostein. (2007) Refleksjoner rundt forskningspolitikken. Universitetsavisa.
Grepstad, Jostein. (2007) Utslippstonna er på bordet, Gjengset. Adresseavisen.
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. volum 22.

2006

Nordseth, Ørnulf; Tybell, Thomas; Grepstad, Jostein. (2006) Simulation of Photonic Band Gap Waveguides in Lead-Lanthanum Zirconate-Titanate. 2006 Northern Optics Conference Proceedings.
Takamura, Yayoi; Chopdekar, Rajesh V.; Grepstad, Jostein; Suzuki, Yuri; Marshall, Ann F.; Vailionis, A; Zheng, H.; Mitchell, John F.. (2006) Thickness-dependent properties of (110)-oriented La1.2Sr1.8Mn2O7 thin films. Journal of Applied Physics. volum 99.

2005

Bernstein, Ralph W.; Grepstad, Jostein; Kuznetsov, Andrej; Skjeltorp, Arne T.. (2005) "Materialer for mikrosystemer"; innspill til FUNMAT strategi. 2005.
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. volum 492.
Takamura, Yayoi; Grepstad, Jostein; Chopdekar, Rajesh V.; Marshall, Ann F.; Zheng, H.; Mitchell, John F.; Suzuki, Yuri. (2005) Structural, Magnetic, and Electronic Properties of (110)-Oriented Epitaxial Thin Films of the Bilayer Manganite La1.2Sr1.8Mn2O7. Applied Physics Letters. volum 87.
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. volum 486.

2004

Grepstad, Jostein. (2004) Thomas Tybell. Fra Fysikkens Verden. volum 66 (4).

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. volum 47.

1999

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. volum 58.
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. volum 28 (3).
Heinlein, Christian; Fimland, Bjørn-Ove; Grepstad, Jostein; Berge, Torunn. (1999) Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation. Journal of Vacuum Science & Technology B. volum 17.
Heinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove; Berge, Torunn. (1999) Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation. Journal of Crystal Growth. volum 201-202.

1998

Grepstad, Jostein. (1998) Den sentrale fagevaluering; uten konsesjon og uten personvern. Universitetsavisa. volum 12. februar.
Grepstad, Jostein. (1998) Personvern til besvær for studieavdelingen. Universitetsavisa. volum 12. mars.
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. volum 83 (11).

1997

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. volum 282-287.
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. volum 71 (3).
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. volum B43.
Ma, Qing; Rosenberg, R.A.; Kim, Changyoung; Grepstad, Jostein; Pianetta, P.; Droubay, T.; Dunham, D.; Tonner, B.. (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. volum 84.
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. volum 70 (18).

1996

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). volum 6 (4).
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 symposium series ; 401.
Grepstad, Jostein. (1996) Mammografi uten røntgen. Teknisk Ukeblad. volum 143 (18).

1995

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). volum 5.
Grepstad, Jostein. (1995) TU, stråling og store tall. Teknisk Ukeblad. volum 142 (41).

1994

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. volum 75.
Grepstad, Jostein; Husby, Haldor; Borg, Anne; Fimland, Bjørn-Ove; Bernstein, Ralph W.; Nyholm, Ralf. (1994) As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication. Physica scripta. Topical Issues. volum 54.
Husby, Haldor; Bernstein, Ralph W.; Grepstad, Jostein. (1994) Photolithographic Patterning of Protective Arsenic Capping on MBE-Grown AlxGa1-xAs(001). Applied Physics Letters. volum 64.
Husby, Haldor; Grepstad, Jostein; Bernstein, Ralph W.. (1994) AlxGa1-x microelectronic device processing using an arsenic capping layer. 1994. TF-rapport (19/94).

1993

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. volum 63.
Grepstad, Jostein; Fimland, Bjørn-Ove; et al., [Mangler fornavn]. (1993) Reconstruction-dependent reactivity and electronic barrier formation at Al/MBE-grown GaAs(001) interfaces. 1993. MAX-lab Activity Report.

1992

Bernstein, Ralph W.; Borg, Anne; Husby, Haldor; Fimland, Bjørn-Ove; Grepstad, Jostein. (1992) Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED. Applied Surface Science. volum 56-58.
Fagerberg, Ragnar; Grepstad, Jostein. (1992) Synthesis and characterization of YBa2Cu3O7-x thin films. 1992. ISBN 82-7119-360-0. Doktor ingeniøravhandling.
Fagerberg, Ragnar; Vassenden, Frode; Gong, Zhenghong; Grepstad, Jostein. (1992) Lithographic Processing of YBa2Cu3O7 Thin Films; Impact on Electrical Contacts. Journal of Applied Physics. volum 71.
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. volum 60.

1991

Borg, A.; Grepstad, Jostein; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove. (1991) Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces. 1991. SINTEF Rapport.
Borg, A.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Bernstein, R.W.; Nyholm, R.. (1991) Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces. 1991. Annual activity report.
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. volum 77.
Braaten, Nils A.; Grepstad, Jostein; Raaen, Steinar; Qiu, S.L.. (1991) K Promoted Oxidation of Al and Ta. Surface Science. volum 250.
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. volum 185-189.

1990

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. volum 68.
Borg, A.; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Karlsson, U.O.. (1990) Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001). 1990. Annual activity report.
Niedermann, Philipp; Grande, Alf P.; Grepstad, Jostein; Triscone, Jean-Marc; Karkut, Michael G.; Brunner, Olivier; Antognazza, Louis; Sadowski, Wojtek; Scheel, Hans J.; Fischer, Øystein. (1990) XPS Study of Thin Ag Overlayers on YBa2Cu3O7-x; Effects of Oxygen Annealing. Journal of Applied Physics. volum 68.
Raaen, Steinar; Braaten, Nils A.; Grepstad, Jostein; Qiu, S.L.. (1990) Enhanced Oxidation of Aluminium; Effects of Thin Cerium Overlayers. Physica Scripta. volum 41.

1989

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. volum 7.
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. volum 14.
Braaten, Nils A.; Grepstad, Jostein; Raaen, Steinar. (1989) Effects of Thin Cerium Overlayers on the Oxidation of Tantalum and Aluminium. Surface Science. volum 222.
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. volum 40.

1988

Braaten, Nils A.; Raaen, Steinar; Grepstad, Jostein. (1988) Oxidation of Transition Metal - Rare Earth Interfaces. Physica Scripta. volum 37.
Fjellvåg, Helmer; Karen, P; Kjekshus, Arne; Grepstad, Jostein. (1988) On the Properties of the YBa8Cu4O12-x Phase. Acta Chemica Scandinavica. volum A42.
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. volum 153-155.
Stöcker, Michael; Grepstad, Jostein; Lillerud, K.P.. (1988) X-ray Photoelectron Spectroscopy Studies of Chabazite Type Zeolites. Catalysis Today. volum 3.
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. volum 84.

1987

Fjellvåg, Helmer; Karen, P; Kjekshus, Arne; Grepstad, Jostein. (1987) X-ray Photoelectron Spectroscopy Study of Y2BaCuO5 and YBa2Cu3O7-x. Solid State Communications. volum 64.

1986

Stöcker, Michael; Hemmersbach, Peter; Ræder, J; Grepstad, Jostein. (1986) Isomerization of n-Butane over Zeolites Depending on Catalyst Structure. Applied Catalysis. volum 25.

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. volum 4.

1982

Grepstad, Jostein; Slagsvold, Bjørn J.. (1982) Experimental Observation of Direct Transitions in Angle Resolved UV Photoemission from the Al(111) Surface. Physica Scripta. volum 25.
Grepstad, Jostein; Slagsvold, Bjørn J.; Bartos, Igor. (1982) Band Structure Dependent Damping in Photoemission from Copper. Journal of Physics: Condensed Matter. volum 12.

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. 1981.

1980

Grepstad, Jostein; Slagsvold, Bjørn J.. (1980) Final State Bandgap Effects in UV Photoemission from Cu(111). Solid State Communications. volum 34.

1976

Grepstad, Jostein; Gartland, Per Olav; Slagsvold, Bjørn J.. (1976) Anisotropic Work Function of Clean and Smooth Low-Index Faces of Aluminium. Surface Science. volum 57.

Journal publications

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. volum 118.
Slöetjes, Samuel Dingeman; Digernes, Einar; Strømberg, Anders; Olsen, Fredrik Kjemperud; Bang, Ambjørn Dahle; N'diaye, Alpha T; Chopdekar, Rajesh V.; Folven, Erik; Grepstad, Jostein. (2021) Effects of array shape and disk ellipticity in dipolar-coupled magnetic metamaterials. Physical review B (PRB). volum 104 (13).
Digernes, Einar; Slöetjes, Samuel Dingeman; Strømberg, Anders; Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Arenholz, Elke; Chopdekar, Rajesh V.; Grepstad, Jostein; Folven, Erik. (2020) Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial. Physical Review Research (PRResearch). volum 2 (1).
Olsen, Fredrik Kjemperud; Bang, Ambjørn Dahle; Digernes, Einar; Slöetjes, Samuel Dingeman; Andreas, Scholl; Chopdekar, Rajesh V.; Tybell, Per Thomas Martin; Grepstad, Jostein; Folven, Erik. (2020) Enhanced magnetic signal along edges of embedded epitaxial La0.7Sr0.3MnO3 nanostructures. Journal of Magnetism and Magnetic Materials. volum 521 (1).
Slöetjes, Samuel Dingeman; Folven, Erik; Grepstad, Jostein. (2020) Exchange explosions of topological edge defects in a square micromagnet. Physical review B (PRB). volum 101 (1).
Bang, Ambjørn Dahle; Hallsteinsen, Ingrid; Chopdekar, Rajesh V.; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Kjærnes, Kristoffer; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Shape-imposed anisotropy in antiferromagnetic complex oxide nanostructures. Applied Physics Letters. volum 115 (11).
Bang, Ambjørn Dahle; Hallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Retterer, Scott T; Scholl, Andreas; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Neel vector reorientation in ferromagnetic/antiferromagnetic complex oxide nanostructures. Applied Physics Letters. volum 114 (19).
Slöetjes, Samuel Dingeman; Digernes, Einar; Klewe, Christoph; Shafer, Padraic; Li, Qian; Yang, M.; Qiu, Z.Q.; N'diaye, Alpha T; Arenholz, Elke; Folven, Erik; Grepstad, Jostein. (2019) Effects of lattice geometry on the dynamic properties of dipolar-coupled magnetic nanodisk arrays. Physical review B (PRB). volum 99 (064418).
Bang, Ambjørn Dahle; Olsen, Fredrik Kjemperud; Slöetjes, Samuel Dingeman; Scholl, Andreas; Retterer, Scott T.; Vaz, Carlos; Tybell, Per Thomas Martin; Folven, Erik; Grepstad, Jostein. (2018) Magnetic domain formation in ultrathin complex oxide ferromagnetic/antiferromagnetic bilayers. Applied Physics Letters. volum 113 (13).
Slöetjes, Samuel Dingeman; Digernes, Einar; Olsen, Fredrik Kjemperud; Chopdekar, Rajesh V.; Retterer, Scott T.; Folven, Erik; Grepstad, Jostein. (2018) Interplay between bulk and edge-bound topological defects in a square micromagnet. Applied Physics Letters. volum 112 (4).
Calabrese, G; Pettersen, Sverre Vegard; Pfuller, C; Ramsteiner, M; Grepstad, Jostein; Brandt, O; Geelhaar, L; Fernandez-Garrido, S. (2017) Effect of surface roughness, chemical composition, and native oxide crystallinity on the orientation of self-assembled GaN nanowires on Ti foils. Nanotechnology. volum 28 (42).
Hallsteinsen, Ingrid; Moreau, Magnus; Chopdekar, R.V.; Christiansen, Emil; Nord, Magnus Kristofer; Vullum, Per Erik; Grepstad, Jostein; Holmestad, Randi; Selbach, Sverre Magnus; Scholl, A; Arenholz, E; Folven, Erik; Tybell, Per Thomas Martin. (2017) Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films. APL Materials. volum 5 (8).
Lee, Michael S.; Wynn, Thomas A.; Folven, Erik; Chopdekar, Rajesh V.; Scholl, Andreas; Retterer, Scott; Grepstad, Jostein; Takamura, Yayoi. (2017) Temperature and Orientation Dependent Exchange Coupling in Epitaxial Oxide Micromagnets. PHYSICAL REVIEW MATERIALS. volum 1.
Slöetjes, Samuel Dingeman; Urdahl, Hans Henrik; Grepstad, Jostein; Folven, Erik. (2017) Tailoring the magnetic order in a supermagnetic metamaterial. AIP Advances. volum 7 (5).
Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, A; Nord, Martin; Vullum, Per Erik; Gilbert, DA; Bolstad, Torstein; Grepstad, Jostein; Holmestad, Randi; Selbach, Sverre Magnus; N'Diaye, AT; Kirby, BJ; Arenholz, E; Tybell, Per Thomas Martin. (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. volum 94 (20).
Lee, Michael S; Wynn, Thomas A; Folven, Erik; Chopdekar, Rajesh V.; Scholl, Andreas; Young, Anthony T; Retterer, Scott T; Grepstad, Jostein Kvaal; Takamura, Yayoi. (2016) Tailoring Spin Textures in Complex Oxide Micromagnets. ACS Nano. volum 10 (9).
Folven, Erik; Linder, Jacob; Gomonay, Helen V.; Scholl, Andreas; Doran, Andrew; Young, Anthony; Retterer, Scott; Malik, V.K.; Tybell, Per Thomas Martin; Takamura, Yayoi; Grepstad, Jostein. (2015) Controlling the switching field in nanomagnets by means of domain-engineered antiferromagnets. Physical Review B. Condensed Matter and Materials Physics. volum 92 (9).
Hallsteinsen, Ingrid; Folven, Erik; Olsen, Fredrik Kjemperud; Chopdekar, R.V.; Rzchowski, M; Eom, C.B.; Grepstad, Jostein; Tybell, Per Thomas Martin. (2015) Crystalline symmetry controlled magnetic switching in epitaxial (111) La0.7Sr0.3MnO3 thin films. APL Materials. volum 3 (6).
Boschker, Jos Emiel; Monsen, Åsmund Fløystad; Nord, Magnus Kristofer; Mathieu, Roland; Grepstad, Jostein; Holmestad, Randi; Wahlström, Erik; Tybell, Thomas. (2013) In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films. Philosophical Magazine. volum 93 (13).
Grepstad, Jostein; Tybell, Thomas; Fossheim, Kristian Johan; Sudbø, Asle; Hemmer, Per Christian. (2013) In Memoriam: Øystein H. Fischer. Fra Fysikkens Verden.
Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik; Grepstad, Jostein; Holmestad, Randi; Eom, CB; Tybell, Thomas. (2013) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Journal of Applied Physics. volum 113 (18).
Takamura, Yayoi; Folven, Erik; Shu, JBR; Lukes, KR; Li, Binzhi; Scholl, Andreas; Young, AT; Retterer, ST; Tybell, Thomas; Grepstad, Jostein. (2013) Spin-Flop Coupling and Exchange Bias in Embedded Complex Oxide Micromagnets. Physical Review Letters. volum 111 (10).
Weigand, Christian Carl; Crisp, Ryan; Ladam, Cecile; Furtak, Tom; Collins, Reuben; Grepstad, Jostein; Weman, Helge. (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. volum 545.
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. volum 12 (2).
Folven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2012) Crossover from spin-flop coupling to collinear spin alignment in antiferromagnetic/ferromagnetic thin film nanostructures. Nano Letters. volum 12 (5).
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. volum 185 (10).
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. volum 15 (4).
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. volum 355 (1).
Boschker, Jos Emiel; Folkman, Chad; Bark, C.W.; Monsen, Åsmund Fløystad; Folven, Erik; Grepstad, Jostein; Wahlström, Erik; Eom, C.B.; Tybell, Thomas. (2011) Structural coupling across the LaAlO3/SrTiO3 interface: High-resolution x-ray diffraction study. Physical Review B. Condensed Matter and Materials Physics. volum 84 (20).
Folven, Erik; Scholl, Andreas; Young, Anthony; Retterer, Scott; Boschker, Jos Emiel; Tybell, Thomas; Takamura, Yayoi; Grepstad, Jostein. (2011) Effects of nanostructuring and substrate symmetry on antiferromagnetic domain structure in LaFeO3 thin films. Physical Review B. Condensed Matter and Materials Physics. volum 84 (22).
Weigand, Christian Carl; Bergren, M.R.; Ladam, Cecile; Tveit, Johannes; Holmestad, Randi; Vullum, Per Erik; Walmsley, John; Dahl, Øystein; Furtak, T.E.; Collins, R.T.; Grepstad, Jostein; Weman, Helge. (2011) Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition. Crystal Growth & Design. volum 11 (12).
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. volum 6.
Folven, Erik; Tybell, Thomas; Scholl, Andreas; Young, Anthony; Retterer, Scott T; Takamura, Yayoi; Grepstad, Jostein. (2010) Antiferromagnetic Domain Reconfiguration in Embedded LaFeO3 Thin Film Nanostructures. Nano Letters. volum 10 (11).
Nordseth, Ørnulf; You, Chang Chuan; Folven, Erik; Gariglio, S; Sambri, A; Triscone, JM; Reiner, JW; Ahn, CH; Tybell, Thomas; Grepstad, Jostein. (2010) Growth and characterization of (Pb,La)(Zr,Ti)O-3 thin film epilayers on SrTiO3-buffered Si(001). Thin Solid Films. volum 518 (19).
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. volum 97.
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. volum 97 (8).
Tanaka, R; Takata, S; Katayama, M; Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Y. (2010) Photocatalytic synthesis of Silver-Oxide clathrate Ag6O8AgNO3. Journal of the Electrochemical Society. volum 157 (12).
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. volum 27 (3).
Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2009) Polarization direction and stability in ferroelectric lead titanate thin films. Journal of Applied Physics. volum 106 (8).
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. volum 7381.
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. volum 517 (8).
Takahashi, Ryota; Katayama, M; Dahl, Øystein; Grepstad, Jostein; Matsumoto, Yuji; Tybell, Thomas. (2009) Epilayer control of photodeposited materials during UV photocatalysis. Applied Physics Letters. volum 94 (23).
Weigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar; Furtak, Tom; Collins, Reuben; Grepstad, Jostein; Weman, Helge. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society Symposium Proceedings. volum 1174 (V07).
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. volum 20 (25).
Dahl, Øystein; Grepstad, Jostein; Tybell, Thomas. (2008) Crystalline and dielectric properties of sputter deposited PbTiO3 thin films. Journal of Applied Physics. volum 103.
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. volum 104.
Takahashi, Ryota; Grepstad, Jostein; Tybell, Thomas; Matsumoto, Yuji. (2008) Photochemical switching of ultrathin PbTiO3 films. Applied Physics Letters. volum 92.
Grepstad, Jostein. (2007) Refleksjoner rundt forskningspolitikken. Universitetsavisa.
Grepstad, Jostein. (2007) Utslippstonna er på bordet, Gjengset. Adresseavisen.
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. volum 22.
Takamura, Yayoi; Chopdekar, Rajesh V.; Grepstad, Jostein; Suzuki, Yuri; Marshall, Ann F.; Vailionis, A; Zheng, H.; Mitchell, John F.. (2006) Thickness-dependent properties of (110)-oriented La1.2Sr1.8Mn2O7 thin films. Journal of Applied Physics. volum 99.
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. volum 492.
Takamura, Yayoi; Grepstad, Jostein; Chopdekar, Rajesh V.; Marshall, Ann F.; Zheng, H.; Mitchell, John F.; Suzuki, Yuri. (2005) Structural, Magnetic, and Electronic Properties of (110)-Oriented Epitaxial Thin Films of the Bilayer Manganite La1.2Sr1.8Mn2O7. Applied Physics Letters. volum 87.
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. volum 486.
Grepstad, Jostein. (2004) Thomas Tybell. Fra Fysikkens Verden. volum 66 (4).
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. volum 47.
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. volum 58.
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. volum 28 (3).
Heinlein, Christian; Fimland, Bjørn-Ove; Grepstad, Jostein; Berge, Torunn. (1999) Patterned regrowth of n-GaAs by molecular beam epitaxy using arsenic passivation. Journal of Vacuum Science & Technology B. volum 17.
Heinlein, Christian; Grepstad, Jostein; Fimland, Bjørn-Ove; Berge, Torunn. (1999) Selective area regrowth of n-GaAs with reduced interface carrier depletion using arsenic passivation. Journal of Crystal Growth. volum 201-202.
Grepstad, Jostein. (1998) Den sentrale fagevaluering; uten konsesjon og uten personvern. Universitetsavisa. volum 12. februar.
Grepstad, Jostein. (1998) Personvern til besvær for studieavdelingen. Universitetsavisa. volum 12. mars.
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. volum 83 (11).
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. volum 282-287.
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. volum 71 (3).
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. volum B43.
Ma, Qing; Rosenberg, R.A.; Kim, Changyoung; Grepstad, Jostein; Pianetta, P.; Droubay, T.; Dunham, D.; Tonner, B.. (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. volum 84.
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. volum 70 (18).
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). volum 6 (4).
Grepstad, Jostein. (1996) Mammografi uten røntgen. Teknisk Ukeblad. volum 143 (18).
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). volum 5.
Grepstad, Jostein. (1995) TU, stråling og store tall. Teknisk Ukeblad. volum 142 (41).
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. volum 75.
Grepstad, Jostein; Husby, Haldor; Borg, Anne; Fimland, Bjørn-Ove; Bernstein, Ralph W.; Nyholm, Ralf. (1994) As Capping of MBE-grown Compound Semiconductors; Novel Opportunities to Interface Science and Device Fabrication. Physica scripta. Topical Issues. volum 54.
Husby, Haldor; Bernstein, Ralph W.; Grepstad, Jostein. (1994) Photolithographic Patterning of Protective Arsenic Capping on MBE-Grown AlxGa1-xAs(001). Applied Physics Letters. volum 64.
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. volum 63.
Bernstein, Ralph W.; Borg, Anne; Husby, Haldor; Fimland, Bjørn-Ove; Grepstad, Jostein. (1992) Capping and Decapping of MBE Grown GaAs(001), Al0.5Ga0.5As(001), and AlAs(001) Investigated with ASP, PES, LEED, and RHEED. Applied Surface Science. volum 56-58.
Fagerberg, Ragnar; Vassenden, Frode; Gong, Zhenghong; Grepstad, Jostein. (1992) Lithographic Processing of YBa2Cu3O7 Thin Films; Impact on Electrical Contacts. Journal of Applied Physics. volum 71.
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. volum 60.
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. volum 77.
Braaten, Nils A.; Grepstad, Jostein; Raaen, Steinar; Qiu, S.L.. (1991) K Promoted Oxidation of Al and Ta. Surface Science. volum 250.
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. volum 185-189.
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. volum 68.
Niedermann, Philipp; Grande, Alf P.; Grepstad, Jostein; Triscone, Jean-Marc; Karkut, Michael G.; Brunner, Olivier; Antognazza, Louis; Sadowski, Wojtek; Scheel, Hans J.; Fischer, Øystein. (1990) XPS Study of Thin Ag Overlayers on YBa2Cu3O7-x; Effects of Oxygen Annealing. Journal of Applied Physics. volum 68.
Raaen, Steinar; Braaten, Nils A.; Grepstad, Jostein; Qiu, S.L.. (1990) Enhanced Oxidation of Aluminium; Effects of Thin Cerium Overlayers. Physica Scripta. volum 41.
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. volum 7.
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. volum 14.
Braaten, Nils A.; Grepstad, Jostein; Raaen, Steinar. (1989) Effects of Thin Cerium Overlayers on the Oxidation of Tantalum and Aluminium. Surface Science. volum 222.
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. volum 40.
Braaten, Nils A.; Raaen, Steinar; Grepstad, Jostein. (1988) Oxidation of Transition Metal - Rare Earth Interfaces. Physica Scripta. volum 37.
Fjellvåg, Helmer; Karen, P; Kjekshus, Arne; Grepstad, Jostein. (1988) On the Properties of the YBa8Cu4O12-x Phase. Acta Chemica Scandinavica. volum A42.
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. volum 153-155.
Stöcker, Michael; Grepstad, Jostein; Lillerud, K.P.. (1988) X-ray Photoelectron Spectroscopy Studies of Chabazite Type Zeolites. Catalysis Today. volum 3.
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. volum 84.
Fjellvåg, Helmer; Karen, P; Kjekshus, Arne; Grepstad, Jostein. (1987) X-ray Photoelectron Spectroscopy Study of Y2BaCuO5 and YBa2Cu3O7-x. Solid State Communications. volum 64.
Stöcker, Michael; Hemmersbach, Peter; Ræder, J; Grepstad, Jostein. (1986) Isomerization of n-Butane over Zeolites Depending on Catalyst Structure. Applied Catalysis. volum 25.
Slagsvold, Bjørn J.; Grepstad, Jostein; Gartland, Per Olav. (1983) Damping Effects in Angular Resolved Ultraviolat Photoemission Spectroscopy on Cu(111). Physica scripta. Topical Issues. volum 4.
Grepstad, Jostein; Slagsvold, Bjørn J.. (1982) Experimental Observation of Direct Transitions in Angle Resolved UV Photoemission from the Al(111) Surface. Physica Scripta. volum 25.
Grepstad, Jostein; Slagsvold, Bjørn J.; Bartos, Igor. (1982) Band Structure Dependent Damping in Photoemission from Copper. Journal of Physics: Condensed Matter. volum 12.
Grepstad, Jostein; Slagsvold, Bjørn J.. (1980) Final State Bandgap Effects in UV Photoemission from Cu(111). Solid State Communications. volum 34.
Grepstad, Jostein; Gartland, Per Olav; Slagsvold, Bjørn J.. (1976) Anisotropic Work Function of Clean and Smooth Low-Index Faces of Aluminium. Surface Science. volum 57.

Report/dissertation

Brataas, Arne; Mathiesen, Ragnvald; Grande, Tor; Roven, Hans Jørgen; Grepstad, Jostein; Echtermeyer, Andreas; Johnsen, Roy; Krøkje, Åse. (2013) Enabling technologies at NTNU; materials science and engineering. 2013.
Bernstein, Ralph W.; Grepstad, Jostein; Kuznetsov, Andrej; Skjeltorp, Arne T.. (2005) "Materialer for mikrosystemer"; innspill til FUNMAT strategi. 2005.
Husby, Haldor; Grepstad, Jostein; Bernstein, Ralph W.. (1994) AlxGa1-x microelectronic device processing using an arsenic capping layer. 1994. TF-rapport (19/94).
Fagerberg, Ragnar; Grepstad, Jostein. (1992) Synthesis and characterization of YBa2Cu3O7-x thin films. 1992. ISBN 82-7119-360-0. Doktor ingeniøravhandling.
Borg, A.; Grepstad, Jostein; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove. (1991) Photoemission studies of the Ti/GaAs(001) and Ti/Al(sub0.5)Ga(sub0.5)As interfaces. 1991. SINTEF Rapport.
Borg, A.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Bernstein, R.W.; Nyholm, R.. (1991) Schottky barrier formation of Au/MBE-grown GaAs(001) interfaces. 1991. Annual activity report.
Borg, A.; Bernstein, R.W.; Husby, H.; Fimland, Bjørn-Ove; Grepstad, Jostein; Karlsson, U.O.. (1990) Interface chemical structure of Ti/Al(subx)Ga(sub1-x)As(001). 1990. Annual activity report.
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. 1981.

Part of book/report

Weigand, Christian Carl; Bergren, Matt; Valset, Kjetil; Carey, David; Fagerberg, Ragnar; Ladam, Cecile; Grepstad, Jostein; Weman, Helge; Furtak, Tom; Collins, Reuben. (2008) Characterization of ZnO Layers Grown by Pulsed Laser Deposition for Hybrid Inorganic/Organic Solar Cells. The Proceedings of the 23rd European Photovoltaic Solar Energy Conference.
Nordseth, Ørnulf; Tybell, Thomas; Grepstad, Jostein. (2006) Simulation of Photonic Band Gap Waveguides in Lead-Lanthanum Zirconate-Titanate. 2006 Northern Optics Conference Proceedings.
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 symposium series ; 401.

Books

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

Språkvelger

Jostein Grepstad