Ymir Kalmann Frodason

• Aarholt, Thomas; Frodason, Ymir Kalmann & Prytz, Øystein (2020). Imaging defect complexes in scanning transmission electron microscopy: Impact of depth, structural relaxation, and temperature investigated by simulations. Ultramicroscopy.  ISSN 0304-3991.  209 . doi: 10.1016/j.ultramic.2019.112884 Fulltekst i vitenarkiv.
• Borgersen, Jon; Vines, Lasse; Frodason, Ymir Kalmann; Kuznetsov, Andrej; von Wenckstern, Holger; Grundmann, Marius; Allen, Martin; Perez, Jesus Zuniga & Johansen, Klaus Magnus H (2020). Experimental exploration of the amphoteric defect model by cryogenic ion irradiation of a range of wide band gap oxide materials. Journal of Physics: Condensed Matter.  ISSN 0953-8984.  32(50) . doi: 10.1088/1361-648X/abac8b
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Vines, Lasse & Varley, J.B. (2020). Self-trapped hole and impurity-related broad luminescence in β-Ga2O3. Journal of Applied Physics.  ISSN 0021-8979.  127(7) . doi: 10.1063/1.5140742
• Reinertsen, Vilde Mari; Weiser, Philip Michael; Frodason, Ymir Kalmann; Bathen, Marianne Etzelmüller; Vines, Lasse & Johansen, Klaus Magnus H (2020). Anisotropic and trap-limited diffusion of hydrogen/deuterium in monoclinic gallium oxide single crystals. Applied Physics Letters.  ISSN 0003-6951.
• Zimmermann, Christian; Frodason, Ymir Kalmann; Barnard, Abraham Willem; Varley, Joel B; Irmscher, Klaus; Galazka, Zbigniew; Karjalainen, Antti; Meyer, Walter Ernst; Auret, F.D. & Vines, Lasse (2020). Ti- and Fe-related charge transition levels in beta-Ga2O3. Applied Physics Letters.  ISSN 0003-6951.  116(7) . doi: 10.1063/1.5139402
• Zimmermann, Christian; Frodason, Ymir Kalmann; Rønning, Vegard; Varley, Joel B & Vines, Lasse (2020). Combining steady-state photo-capacitance spectra with first-principles calculations: the case of Fe and Ti in β-Ga2O3. New Journal of Physics.  ISSN 1367-2630.  22 . doi: 10.1088/1367-2630/ab8e5b
• Zimmermann, Christian; Rønning, Vegard; Frodason, Ymir Kalmann; Bobal, Viktor; Varley, Joel B & Vines, Lasse (2020). Primary intrinsic defects and their charge transition levels in beta-Ga2O3. PHYSICAL REVIEW MATERIALS.  ISSN 2475-9953.  4(7) . doi: 10.1103/PhysRevMaterials.4.074605
• Zimmermann, Christian; Verhoeven, Espen Førdestrøm; Frodason, Ymir Kalmann; Weiser, Philip Michael; Varley, J.B. & Vines, Lasse (2020). Formation and control of the E∗2 center in implanted β-Ga2O3 by reverse-bias and zero-bias annealing. Journal of Physics D: Applied Physics.  ISSN 0022-3727.  53(46), s 1- 9 . doi: 10.1088/1361-6463/aba64d
• Zimmermann, Christian; Verhoeven, Espen Førdestrøm; Frodason, Ymir Kalmann; Weiser, Philip Michael; Varley, Joel B & Vines, Lasse (2020). Formation and control of the E2* center in implanted b-Ga2O3 by reverse-bias and zero-bias annealing. Journal of Physics D: Applied Physics.  ISSN 0022-3727.  53(46) . doi: 10.1088/1361-6463/aba64d Fulltekst i vitenarkiv.
• Bathen, Marianne Etzelmüller; Galeckas, Augustinas; Müting, Johanna; Ayedh, Hussein Mohammed Hussein; Grossner, Ulrike; Coutinho, José; Frodason, Ymir Kalmann & Vines, Lasse (2019). Electrical charge state identification and control for the silicon vacancy in 4H-SiC. npj Quantum Information.  ISSN 2056-6387.  5(1), s 1- 9 . doi: 10.1038/s41534-019-0227-y Fulltekst i vitenarkiv.
• Bathen, Marianne Etzelmüller; Coutinho, José; Ayedh, Hussein Mohammed Hussein; Hassan, Jawad U; Farkas, Ildiko; Öberg, Sven; Frodason, Ymir Kalmann; Svensson, Bengt Gunnar & Vines, Lasse (2019). Anisotropic and plane-selective migration of the carbon vacancy in SiC: Theory and experiment. Physical review B (PRB).  ISSN 2469-9950.  100(1), s 014103-1- 014103-15 . doi: 10.1103/PhysRevB.100.014103 Fulltekst i vitenarkiv.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Alkauskas, A & Vines, Lasse (2019). Negative- U and polaronic behavior of the Zn-O divacancy in ZnO. Physical review B (PRB).  ISSN 2469-9950.  99(17), s 1- 7 . doi: 10.1103/PhysRevB.99.174106
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Galeckas, Augustinas & Vines, Lasse (2019). Broad luminescence from donor-complexed LiZn and NaZn acceptors in ZnO. Physical review B (PRB).  ISSN 2469-9950.  100(18) . doi: 10.1103/PhysRevB.100.184102 Fulltekst i vitenarkiv.
• Sky, Thomas Neset; Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Aarholt, Thomas; Riise, Heine Nygard; Prytz, Øystein; Svensson, Bengt Gunnar & Vines, Lasse (2019). Diffusion of indium in single crystal zinc oxide: a comparison between group III donors. Semiconductor Science and Technology.  ISSN 0268-1242.  34(2), s 1- 6 . doi: 10.1088/1361-6641/aafa4c Fulltekst i vitenarkiv.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar & Alkauskas, Audrius (2018). Zn vacancy-donor impurity complexes in ZnO. Physical review B (PRB).  ISSN 2469-9950.  97(10), s 1- 8 . doi: 10.1103/PhysRevB.97.104109
• Sky, Thomas Neset; Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Svensson, Bengt Gunnar & Vines, Lasse (2018). The interaction between lithium acceptors and gallium donors in zinc oxide. Journal of Applied Physics.  ISSN 0021-8979.  124(24), s 1- 6 . doi: 10.1063/1.5063326 Fulltekst i vitenarkiv.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar & Alkauskas, Audrius (2017). Zn vacancy as a polaronic hole trap in ZnO. Physical review B (PRB).  ISSN 2469-9950.  95(9) . doi: 10.1103/PhysRevB.95.094105

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• Aarholt, Thomas; Frodason, Ymir Kalmann & Prytz, Øystein (2019). The impact of local relaxation on defect-complex STEM contrast.
• Bathen, Marianne Etzelmüller; Galeckas, Augustinas; Müting, Johanna; Ayedh, Hussein Mohammed Hussein; Grossner, Ulrike; Coutinho, José; Frodason, Ymir Kalmann & Vines, Lasse (2019). Electrical charge-state identification and emission intensity modulation of the silicon vacancy in 4H-SiC.
• Borgersen, Jon; Johansen, Klaus Magnus H; Vines, Lasse; Kuznetsov, Andrej; Frodason, Ymir Kalmann; von Wenckstern, Holger; Grundmann, Marius; Allen, Martin & Perez, Jesus Zuniga (2019). Electrical properties of intrinsic defects in wide band gap oxides.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Galeckas, Augustinas & Vines, Lasse (2019). Optical properties of donor-complexed Li_Zn in ZnO.
• Bathen, Marianne Etzelmüller; Galeckas, Augustinas; Frodason, Ymir Kalmann; Vines, Lasse & Svensson, Bengt Gunnar (2018). Tuning silicon vacancy formation in 4H-SiC via proton irradiation for quantum technology.
• Bathen, Marianne Etzelmüller; Vines, Lasse; Galeckas, Augustinas; Frodason, Ymir Kalmann & Svensson, Bengt Gunnar (2018). Charge state transitions of the silicon vacancy in 4H-SiC: Combined DLTS, PL and DFT study.
• Bathen, Marianne Etzelmüller; Vines, Lasse; Galeckas, Augustinas; Frodason, Ymir Kalmann & Svensson, Bengt Gunnar (2018). Correlating charge state transitions of the Si vacancy to the S1/S2 peaks in DLTS spectra of n-type 4H-SiC.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Vines, Lasse & Svensson, Bengt Gunnar (2018). Hybrid functional study of the Zn-O divacancy in ZnO.
• Grini, Sigbjørn; Borgersen, Jon Arthur; Sky, Thomas Neset; Frodason, Ymir Kalmann; Riise, Heine Nygard & Zimmermann, Christian (2018). Omvisning MENA.
• Bergum, Kristin; Borgersen, Jon Arthur; Ellingsen, Josef Gert Åsheim; Frodason, Ymir Kalmann; Galeckas, Augustinas; Ingebrigtsen, Mads Eide; Kuznetsov, Andrej & Sky, Thomas Neset (2017). Omvisning MiNaLab.
• Frodason, Ymir Kalmann; Bergum, Kristin; Sky, Thomas Neset; Ingebrigtsen, Mads Eide; Borgersen, Jon; Ellingsen, Josef Gert Åsheim; Galeckas, Augustinas & Kuznetsov, Andrej (2017). MiNa-Lab tour highlighting LENS activities.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Svensson, Bengt Gunnar & Alkauskas, Audrius (2017). Luminescence from Zn vacancy-donor complexes in ZnO.
• Johansen, Klaus Magnus H; Sky, Thomas Neset; Frodason, Ymir Kalmann; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar & Vines, Lasse (2017). Tailoring donor diffusion in ZnO by defects and doping.
• Frodason, Ymir Kalmann; Johansen, Klaus Magnus H; Bjørheim, Tor Svendsen; Alkauskas, A & Svensson, Bengt Gunnar (2016). Polaronic hole binding by the Zn vacancy in ZnO.
• Johansen, Klaus Magnus H; Frodason, Ymir Kalmann; Tuomisto, Filip; Makkonen, Ilja & Vines, Lasse (2016). Formation of Zn- and O-vacancy Clusters in ZnO by thermal treatment.
• Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen & Svensson, Bengt Gunnar (2016). The dynamic interplay between intrinsic defects and shallow donor dopants (Al and Ga) in ZnO.
• Johansen, Klaus Magnus H; Sky, Thomas Neset; Vines, Lasse; Frodason, Ymir Kalmann; Riise, Heine Nygard; Bjørheim, Tor Svendsen & Svensson, Bengt Gunnar (2015). The Interplay between Ga Dopants and Intrinsic Defects in ZnO - Seen from the Diffusion Perspective.

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