Vegard Skiftestad Olsen

Position
The Lab Manager of the micro- and nanotechnology laboratory at UiO (UiO MiNaLab), a node in the national infrastructure "The Norwegian Micro- and Nanofabrication Facility", NorFab. In addition, I have a researcher position at the semiconductor physics group at UiO, LENS.
Please get in touch if you would like to use our facilities.
Academic interests
Semiconductor materials for various applications, as ZnO-GaN alloys, II-IV nitrides and Ga2O3. Thin film processing employing sputtering (RF, HiPIMS and remote plasma sputtering) and structural, optical and electrical characterization.
Background
I started at the Materials, energy and nanotechnology (MENA) program at the University of Oslo in 2010. During my masters degree I also worked part-time at SINTEF Digital (MiNaLab). In april 2020 I defended my PhD thesis entitled "Functional properties and band gap engineering of (ZnO)1-x(GaN)x alloys.
- Bachelor's degree: MENA UiO (2010-2013)
- Master's degree: MENA UiO at the semiconductor physics group (2013-2015)
- PhD: Semiconductor physics group at UiO (2016-2020)
Courses taught
- Fys2210 H2018
Publications
- Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Kuznetsov, Andrej; Vines, Lasse & Prytz, Øystein (2020). Formation of N2 bubbles along grain boundaries in (ZnO)1−x(GaN)x: nanoscale STEM-EELS studies. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 22(7), s 3779- 3783 . doi: 10.1039/c9cp06025a Full text in Research Archive.
- Gogova-Petrova, Daniela; Olsen, Vegard Skiftestad; Bazioti, Kalliopi; Lee, In-Hwan; Prytz, Øystein; Vines, Lasse & Kuznetsov, Andrej (2020). High electron mobility single-crystalline ZnSnN2 on ZnO (0001) substrates. CrysteEngComm. ISSN 1466-8033. 22(38), s 6268- 6274 . doi: 10.1039/d0ce00861c Full text in Research Archive.
- Karsthof, Robert Michael; von Wenckstern, Holger; Olsen, Vegard Skiftestad & Grundmann, Marius (2020). Identification of LiNi and VNi acceptor levels in doped nickel oxide. APL Materials. ISSN 2166-532X. 8(12) . doi: 10.1063/5.0032102 Full text in Research Archive.
- Olsen, Vegard Skiftestad; Baldissera, Gustavo; Zimmermann, Christian; Granerød, Cecilie Skjold; Bazioti, Kalliopi; Galeckas, Augustinas; Svensson, Bengt Gunnar; Kuznetsov, Andrej; Persson, Clas; Prytz, Øystein & Vines, Lasse (2019). Evidence of defect band mechanism responsible for band gap evolution in (ZnO)1−x(GaN)x alloys. Physical review B (PRB). ISSN 2469-9950. 100(16) . doi: 10.1103/PhysRevB.100.165201 Full text in Research Archive.
- Olsen, Vegard Skiftestad; Bazioti, Kalliopi; Baldissera, Gustavo; Azarov, Alexander; Prytz, Øystein; Persson, Clas; Svensson, Bengt Gunnar; Kuznetsov, Andrej & Vines, Lasse (2019). Effects of Substrate and Post-Deposition Annealing on Structural and Optical Properties of (ZnO)1-x(GaN)x Films. Physica status solidi (b). ISSN 0370-1972. 256(6) . doi: 10.1002/pssb.201800529 Full text in Research Archive.
- Olsen, Vegard Skiftestad; Bazioti, Kalliopi; Azarov, Alexander; Svensson, Bengt Gunnar; Kuznetsov, Andrej; Prytz, Øystein & Vines, Lasse (2018). Bandgap bowing in crystalline (ZnO)1-x(GaN)x thin films; influence of composition and structural properties. Semiconductor Science and Technology. ISSN 0268-1242. 34, s 1- 7 . doi: 10.1088/1361-6641/aaee4a
- Riise, Heine Nygard; Olsen, Vegard Skiftestad; Azarov, Alexander; Galeckas, Augustinas; Sky, Thomas Neset; Svensson, Bengt Gunnar & Monakhov, Edouard (2016). Local homoepitaxy of zinc oxide thin films by magnetron sputtering. Thin Solid Films. ISSN 0040-6090. 601, s 18- 21 . doi: 10.1016/j.tsf.2015.09.043
- Bathen, Marianne Etzelmüller & Olsen, Vegard Skiftestad (2020). Foredrag for FA-studenter om halvlederfysikk.
- Bathen, Marianne Etzelmüller & Olsen, Vegard Skiftestad (2020). Foredrag for MENA-studenter om halvlederfysikk.
- Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Azarov, Alexander; Johansen, Klaus Magnus H; Svensson, Bengt Gunnar; Kuznetsov, Andrej; Vines, Lasse & Prytz, Øystein (2020). Role of nitrogren in defect evolution in ZnO and (ZnO)₁−ₓ(GaN)ₓ: STEM-EELS nanoscale investigations.
- Olsen, Vegard Skiftestad (2020). Functional Properties and Bang Gap Engineering of ZnO-GaN Alloys.
- Olsen, Vegard Skiftestad (2020). Functional Properties and band Gap Engineering of ZnO-GaN Alloys.
- Bathen, Marianne Etzelmüller; Borgersen, Jon Arthur; Karlsen, Kjetil; Nyborg, Martin; Olsen, Vegard Skiftestad; Reinertsen, Vilde Mari & Stulen, Fredrik Arnesen (2019). Skolebesøk ved MiNaLab.
- Bathen, Marianne Etzelmüller & Olsen, Vegard Skiftestad (2019). Omvisning for FA og ELITE.
- Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Alexander, Azarov; Kuznetsov, Andrej; Vines, Lasse & Prytz, Øystein (2019). STEM-EELS investigation of defect formation and thermal evolution in ZnO.
- Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Azarov, Alexander; Kuznetsov, Andrej; Vines, Lasse & Prytz, Øystein (2019). Defect formation and thermal evolution in ZnO-based structures (Highlight talk).
- Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Johansen, Klaus Magnus H; Azarov, Alexander; Kuznetsov, Andrej; Vines, Lasse & Prytz, Øystein (2019). Transmission Electron Microscopy methods for atomic-scale investigations of semiconductor properties.
- Bathen, Marianne Etzelmüller; Ingebrigtsen, Mads Eide; Olsen, Vegard Skiftestad; Rønning, Vegard & Vines, Lasse (2018). Omvisning for studieprogrammene FA og ELITE.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2018). (ZnO)1-X(GaN)X thin films studied by high-resolution structural and spectroscopic imaging.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2018). Structural-chemical characterization and bandgap measurements at the nanoscale of (ZnO)1-X(GaN)X thin films using (S)TEM methods.
- Olsen, Vegard Skiftestad; Bazioti, Kalliopi; Azarov, Alexander; Granerød, Cecilie Skjold; Svensson, Bengt Gunnar; Kuznetsov, Andrej; Prytz, Øystein & Vines, Lasse (2018). Bandgap bowing in crystalline (ZnO)1-x(GaN)x thin films.
- Bathen, Marianne Etzelmüller; Borgersen, Jon Arthur; Grini, Sigbjørn; Johansen, Klaus Magnus H; Nyborg, Martin; Olsen, Vegard Skiftestad & Vines, Lasse (2017). Omvisning FAM.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2017). (S)TEM characterization of magnetron sputtered ZnO:GaN alloy thin films.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2017). Structural and chemical characterization of (ZnO)1-X(GaN)X thin films using (S)TEM methods.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2017). Structural characterization and nanoscale bandgap measurements of (ZnO)1-X(GaN)X thin films.
- Bazioti, Kalliopi; Granerød, Cecilie Skjold; Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Prytz, Øystein (2017). Structural/chemical characterization and bandgap measurements of (ZnO)1-X(GaN)X thin films using (S)TEM methods.
- Olsen, Vegard Skiftestad; Vines, Lasse; Svensson, Bengt Gunnar & Kuznetsov, Andrej (2017). Bandgap reduction and the effects of post-deposition annealing on (ZnO)1-X(GaN)X thin films.
- Riise, Heine Nygard; Aarseth, Bjørn Brevig; Kjeldstad, Torunn; Borgersen, Jon Arthur & Olsen, Vegard Skiftestad (2017). Besøk frå deltakarar i Fysikk-OL.
- Riise, Heine Nygard; Bathen, Marianne Etzelmüller; Grini, Sigbjørn; Olsen, Vegard Skiftestad & Sky, Thomas Neset (2017). Omvisning MENA.