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Showing results 1-50 of 94 << Previous 1 2    Next >>

2019
1 Bazioti, Kalliopi; Azarov, Alexander; Johansen, Klaus Magnus H; Svensson, Bengt Gunnar; Vines, Lasse; Kuznetsov, Andrej; Prytz, Øystein.
Role of Nitrogen in Defect Evolution in Zinc Oxide: STEM−EELS Nanoscale Investigations. The Journal of Physical Chemistry Letters 2019 ;Volume 10. p. 4725-4730
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2 Bazioti, Kalliopi; Olsen, Vegard Skiftestad; Johansen, Klaus Magnus H; Azarov, Alexander; Kuznetsov, Andrej; Vines, Lasse; Prytz, Øystein.
Transmission Electron Microscopy methods for atomic-scale investigations of semiconductor properties. Fysikermøtet 2019; 2019-08-07 - 2019-08-09
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3 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Alkauskas, A; Vines, Lasse.
Negative- U and polaronic behavior of the Zn-O divacancy in ZnO. Physical review B (PRB) 2019 ;Volume 99.(17) p. 1-7
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4 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Galeckas, Augustinas; Vines, Lasse.
Optical properties of donor-complexed Li_Zn in ZnO. 30th International Conference on Defects in Semiconductors; 2019-07-21 - 2019-07-27
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5 Sky, Thomas Neset; Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Aarholt, Thomas; Riise, Heine Nygard; Prytz, Øystein; Svensson, Bengt Gunnar; Vines, Lasse.
Diffusion of indium in single crystal zinc oxide: a comparison between group III donors. Semiconductor Science and Technology 2019 ;Volume 34.(2) p. 1-6
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6 Vasquez, Geraldo Cristian; Bazioti, Kalliopi; Galeckas, Augustinas; Johansen, Klaus Magnus H; Granerød, Cecilie Skjold; Nguyen, Phuong Dan; Prytz, Øystein; Vines, Lasse.
Luminescent properties of Zn2GeO4 nanoparticles embedded in ZnO. E-MRS 2019 Spring Meeting; 2019-05-27 - 2019-05-31
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7 Vasquez, Geraldo Cristian; Galeckas, Augustinas; Johansen, Klaus Magnus H; Vines, Lasse; Svensson, Bengt Gunnar.
Optical and electrical properties of single ion-tracks in crystalline SiC. E-MRS 2019 Spring Meeting; 2019-05-27 - 2019-05-31
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8 Zhan, Wei; Kosinskiy, Andrey; Vines, Lasse; Johansen, Klaus Magnus H; Almeida Carvalho, Patricia; Prytz, Øystein.
ZnCr2O4 Inclusions in ZnO Matrix Investigated by Probe-Corrected STEM-EELS. Materials 2019 ;Volume 12. p. -
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2018
9 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar; Alkauskas, Audrius.
Zn vacancy-donor impurity complexes in ZnO. Physical review B (PRB) 2018 ;Volume 97.(10) p. 1-8
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10 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Vines, Lasse; Svensson, Bengt Gunnar.
Hybrid functional study of the Zn-O divacancy in ZnO. Gorden Research Conference on Defects in Semiconductors; 2018-08-19 - 2018-08-24
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11 Granerød, Cecilie Skjold; Bilden, Sindre Rannem; Aarholt, Thomas; Yao, Yu-Feng; Yang, C. C.; Look, David C.; Vines, Lasse; Johansen, Klaus Magnus H; Prytz, Øystein.
Direct observation of conduction band plasmons and the related Burstein-Moss shift in highly doped semiconductors: A STEM-EELS study of Ga-doped ZnO. Physical review B (PRB) 2018 ;Volume 98.(11)
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12 Granerød, Cecilie Skjold; Galeckas, Augustinas; Johansen, Klaus Magnus H; Vines, Lasse; Prytz, Øystein.
The temperature-dependency of the optical band gap of ZnO measured by electron energy-loss spectroscopy in a scanning transmission electron microscope. Journal of Applied Physics 2018 ;Volume 123.(14) p. 1-6
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13 Jensen, Ingvild Julie Thue; Johansen, Klaus Magnus H; Zhan, Wei; Venkatachalapathy, Vishnukanthan; Brillson, Len; Kuznetsov, Andrej; Prytz, Øystein.
Bandgap and band edge positions in compositionally graded ZnCdO. Journal of Applied Physics 2018 ;Volume 124.(1) p. 015302-1-015302-8
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14 Sky, Thomas Neset; Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Svensson, Bengt Gunnar; Vines, Lasse.
The interaction between lithium acceptors and gallium donors in zinc oxide. Journal of Applied Physics 2018 ;Volume 124.(24) p. 1-6
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15 Sky, Thomas Neset; Johansen, Klaus Magnus H; Riise, Heine Nygard; Svensson, Bengt Gunnar; Vines, Lasse.
Gallium diffusion in zinc oxide via the paired dopant-vacancy mechanism. Journal of Applied Physics 2018 ;Volume 123.(5) p. -
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16 Sky, Thomas Neset; Johansen, Klaus Magnus H; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Tuomisto, Filip; Vines, Lasse.
Influence of Fermi level position on vacancy-assisted diffusion of aluminum in zinc oxide. Physical review B (PRB) 2018 ;Volume 98.(24) p. 245204-1-245204-8
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17 Vasquez, Geraldo Cristian; Johansen, Klaus Magnus H; Galeckas, Augustinas; Vines, Lasse; Svensson, Bengt Gunnar; Maestre, David.
Single ion-tracks in crystalline ZnO and their influence on the near band edge luminescence. E-MRS Spring Meeting 2018; 2018-06-18 - 2018-06-22
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18 Zhan, Wei; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Johansen, Klaus Magnus H; Jensen, Ingvild Julie Thue; Kuznetsov, Andrej; Prytz, Øystein.
Reply to Comment on 'Nanoscale mapping of optical band gaps using monochromated electron energy loss spectroscopy'. Nanotechnology 2018 ;Volume 29.(31)
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2017
19 Bathen, Marianne Etzelmüller; Borgersen, Jon Arthur; Grini, Sigbjørn; Johansen, Klaus Magnus H; Nyborg, Martin; Olsen, Vegard Skiftestad; Vines, Lasse.
Omvisning FAM. Omvisning av FAM-bachelorstudenter i anledning fadderuke; 2017-08-18 - 2017-08-18
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20 Borgersen, Jon Arthur; Johansen, Klaus Magnus H; Kuznetsov, Andrej.
Characterisation of the specific contact resistance to indium oxides. Nordic Nanolab User Meeting 2017; 2017-05-09 - 2017-05-10
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21 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar; Alkauskas, Audrius.
Luminescence from Zn vacancy-donor complexes in ZnO. International conference on defects in semiconductors ICDS; 2017-08-31 - 2017-09-04
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22 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar; Alkauskas, Audrius.
Zn vacancy as a polaronic hole trap in ZnO. Physical review B (PRB) 2017 ;Volume 95.(9) p. -
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23 Granerød, Cecilie Skjold; Bilden, Sindre Rannem; Zhan, Wei; Vines, Lasse; Johansen, Klaus Magnus H; Prytz, Øystein.
Measuring the ZnO bandgap and its temperature dependency with STEM-EELS. UiO-HU-Berlin workshop; 2017-11-07
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24 Granerød, Cecilie Skjold; Galeckas, Augustinas; Johansen, Klaus Magnus H; Vines, Lasse; Prytz, Øystein.
The temperature-dependency of the ZnO bandgap studied by STEM-EELS. EUROMAT 2017; 2017-09-17 - 2017-09-22
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25 Granerød, Cecilie Skjold; Galeckas, Augustinas; Vines, Lasse; Johansen, Klaus Magnus H; Prytz, Øystein.
Temperature-dependency of the ZnO band gap measured by STEM-EELS. Research group presentation; 2017-01-13
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26 Granerød, Cecilie Skjold; Johansen, Klaus Magnus H; Vines, Lasse; Prytz, Øystein.
The temperature-dependency of the ZnO band gap measured by STEM-EELS. SMN Winter seminar; 2017-01-19 - 2017-01-21
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27 Johansen, Klaus Magnus H.
Defects in ZnO by cathodoluminescence spectroscopy possibilities and pitfalls. Nano Network workshop; 2017-06-12 - 2017-06-14
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28 Johansen, Klaus Magnus H; Bergum, Kristin; Riise, Heine Nygard; Grini, Sigbjørn.
Advanced characterization of solar energy materials and novel solar cell concepts. 1st Solar Energy Workshop; 2017-11-13
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29 Johansen, Klaus Magnus H; Sky, Thomas Neset; Frodason, Ymir Kalmann; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Vines, Lasse.
Tailoring donor diffusion in ZnO by defects and doping. International conference on defects in semiconductors ICDS; 2017-08-31 - 2017-09-04
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30 Johansen, Klaus Magnus H; Vasquez, Geraldo Cristian.
Cathodoluminescence characterization of semiconducting oxides. NORTEM-Oslo Christmas Seminar; 2017-12-13
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31 Prozheeva, V; Johansen, Klaus Magnus H; Neuvonen, Pekka Tapio; Zubiaga, A; Vines, Lasse; Kuznetsov, Andrej; Tuomisto, F.
Subsurface damage in polishing?annealing processed ZnO substrates. Materials Science in Semiconductor Processing 2017 ;Volume 69. p. 19-22
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32 Riise, Heine Nygard; Bathen, Marianne Etzelmüller; Borgersen, Jon Arthur; Grini, Sigbjørn; Johansen, Klaus Magnus H.
Besøk frå Nanoskolen 2017. Skulebesøk; 2017-08-14 - 2017-08-14
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33 Sky, Thomas Neset; Johansen, Klaus Magnus H; Vines, Lasse; Svensson, Bengt Gunnar; Riise, Heine Nygard.
Diffusion of Al in ZnO: the interplay with Zn-vacancies. Diffusion in Solids and Liquids; 2017-06-28 - 2017-07-01
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34 Sky, Thomas Neset; Johansen, Klaus Magnus H; Vines, Lasse; Svensson, Bengt Gunnar; Riise, Heine Nygard.
Diffusion of Group III Elements in ZnO. Diffusion in Materials conference; 2017-05-22 - 2017-05-28
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35 Vines, Lasse; Sky, Thomas Neset; Johansen, Klaus Magnus H; Svensson, Bengt Gunnar.
Self-compensation and the vacancy-dopant pair in highly Al- and Ga-doped ZnO. TCO2017; 2017-09-18 - 2017-09-22
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36 Zhan, Wei; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Johansen, Klaus Magnus H; Jensen, Ingvild Julie Thue; Kuznetsov, Andrej; Prytz, Øystein.
Nanoscale mapping of optical band gaps using monochromated Electron Energy Loss Spectroscopy. Nanotechnology 2017 ;Volume 28.(10)
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2016
37 Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Alkauskas, A; Svensson, Bengt Gunnar.
Polaronic hole binding by the Zn vacancy in ZnO. Gordon Research Conference on Defects in Semiconductors; 2016-08-14 - 2016-08-19
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38 Granerød, Cecilie Skjold; Zhan, Wei; Aarseth, Bjørn Brevig; Nguyen, Phuong Dan; Johansen, Klaus Magnus H; Vines, Lasse; Prytz, Øystein.
Bandgap measurements by STEM-EELS. Project meeting; 2016-06-23
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39 Granerød, Cecilie Skjold; Zhan, Wei; Johansen, Klaus Magnus H; Vines, Lasse; Prytz, Øystein.
Band gap measurements by STEM EELS. Project seminar; 2016-01-18 - 2016-01-19
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40 Grini, Sigbjørn; Ross, Nils; Johansen, Klaus Magnus H; Platzer-Björkman, Charlotte; Persson, Clas; Vines, Lasse.
CZTS solar cells: Band gap grading by selenium diffusion. Norwegian Solar Cell Conference 2016; 2016-05-31 - 2016-06-01
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41 Herklotz, Frank; Johansen, Klaus Magnus H; Galeckas, Augustinas; Sky, Thomas Neset; Svensson, Bengt Gunnar.
The influence of Fe impurities on the annealing of OH–Li complexes in ZnO. Physica status solidi. B, Basic research 2016 ;Volume 253.(2) p. 273-278
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42 Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Sky, Thomas Neset; Vines, Lasse; Svensson, Bengt Gunnar.
Reaction diffusion simulation - a link between Experiment and DFT. Seminar; 2016-01-25
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43 Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Tuomisto, Filip; Makkonen, Ilja; Vines, Lasse.
Formation of Zn- and O-vacancy Clusters in ZnO by thermal treatment. International Workshop on ZnO; 2016-10-30 - 2016-11-04
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44 Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar.
The dynamic interplay between intrinsic defects and shallow donor dopants (Al and Ga) in ZnO. SPIE Photonics West; 2016-02-13 - 2016-02-18
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45 Johansen, Klaus Magnus H; Tuomisto, Filip; Makkonen, Ilja; Vines, Lasse.
Formation of Zn- and O- vacancy clusters in ZnO through deuterium annealing. Materials Science in Semiconductor Processing 2016 ;Volume 69. p. 23-27
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46 Johansen, Klaus Magnus H; Zhan, Wei; Jensen, Ingvild Julie Thue; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Brillson, Leonard J.; Kuznetsov, Andrej; Prytz, Øystein.
Mapping of Optical band gaps using Electron Energy Loss Spectroscopy in ZnCdO-alloys. 2016 Defects in Semiconductors; 2016-08-14 - 2016-08-19
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47 Ruane, W.T.; Johansen, Klaus Magnus H; Leedy, K. D.; Look, David C.; Von Wenckstern, H; Grundmann, Michael; Farlow, Gary C.; Brillson, Leonard J..
Defect segregation and optical emission in ZnO nano- and microwires. Nanoscale 2016 ;Volume 8.(14) p. 7631-7637
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2015
48 Herklotz, Frank; Hupfer, Alexander; Johansen, Klaus Magnus H; Svensson, Bengt Gunnar; Koch, Sascha G.; Lavrov, E.V..
Infrared absorption on a complex comprising three equivalent hydrogen atoms in ZnO. Physical Review B. Condensed Matter and Materials Physics 2015 ;Volume 92.(15) p. -
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49 Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar.
The Interplay between Ga Dopants and Intrinsic Defects in ZnO - Seen from the Diffusion Perspective. Electronics materials conference; 2015-06-24 - 2015-06-26
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50 Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Svensson, Bengt Gunnar.
Defects, Impurities and Diffusion in ZnO. Invited talk at Wright State University, USA; 2015-06-09
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