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Works (27)

Diffusion of Ge Donors in β‐Ga2O3

physica status solidi (b)
2024-10-09 | Journal article
DOI: 10.1002/pssb.202400355
Contributors: Ylva K. Hommedal; Ymir Kalmann Frodason; Lasse Vines; Klaus Magnus H. Johansen
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Crossref

Intrinsic origins of broad luminescence in melt-grown ZnGa2O4 single crystals

Physical Review Materials
2024-09-18 | Journal article
DOI: 10.1103/PhysRevMaterials.8.094604
Contributors: Ymir K. Frodason; Augustinas Galeckas; Vegard S. Olsen; Philip M. Weiser; Zbigniew Galazka; Chris G. Van de Walle; Lasse Vines
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Crossref

Perspective on electrically active defects in β-Ga2O3 from deep-level transient spectroscopy and first-principles calculations

Journal of Applied Physics
2024-05-21 | Journal article
DOI: 10.1063/5.0205950
Contributors: Amanda Langørgen; Lasse Vines; Ymir Kalmann Frodason
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Theoretical modeling of defect diffusion in wide bandgap semiconductors

Journal of Applied Physics
2024-05-07 | Journal article
DOI: 10.1063/5.0205866
Contributors: Ylva Knausgård Hommedal; Marianne Etzelmüller Bathen; Vilde Mari Reinertsen; Klaus Magnus Johansen; Lasse Vines; Ymir Kalmann Frodason
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Crossref

Broad luminescence from Zn acceptors in Zn doped β-Ga2O3

APL Materials
2024-02-01 | Journal article
DOI: 10.1063/5.0190156
Contributors: Ylva K. Hommedal; Ymir K. Frodason; Augustinas Galeckas; Lasse Vines; Klaus Magnus H. Johansen
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Crossref

Identification and characterization of deep nitrogen acceptors in β-Ga2O3 using defect spectroscopies

APL Materials
2023-11-01 | Journal article
DOI: 10.1063/5.0160541
Contributors: Hemant Ghadi; Joe F. McGlone; Evan Cornuelle; Alexander Senckowski; Shivam Sharma; Man Hoi Wong; Uttam Singisetti; Ymir Kalmann Frodason; Hartwin Peelaers; John L. Lyons et al.
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Crossref

Defect level in κ-Ga2O3 revealed by thermal admittance spectroscopy

Journal of Applied Physics
2023-07-07 | Journal article
DOI: 10.1063/5.0150994
Contributors: Amanda Langørgen; Ymir Kalmann Frodason; Robert Karsthof; Holger von Wenckstern; Ingvild Julie Thue Jensen; Lasse Vines; Marius Grundmann
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Crossref

Diffusion of Sn donors in β-Ga2O3

APL Materials
2023-04-01 | Journal article
DOI: 10.1063/5.0142671
Contributors: Ymir K. Frodason; Patryk P. Krzyzaniak; Lasse Vines; Joel B. Varley; Chris G. Van de Walle; Klaus Magnus H. Johansen
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Crossref

Trap-limited diffusion of Zn in β−Ga2O3

Physical Review Materials
2023-03-07 | Journal article
DOI: 10.1103/PhysRevMaterials.7.035401
Contributors: Ylva K. Hommedal; Ymir K. Frodason; Lasse Vines; Klaus Magnus H. Johansen
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Crossref

Li and group-III impurity doping in ZnSnN2 : Potential and limitations

Physical Review Materials
2022-12-26 | Journal article
DOI: 10.1103/PhysRevMaterials.6.124602
Contributors: Vegard Skiftestad Olsen; Ymir Kalmann Frodason; Ylva Knausgaard Hommedal; Dina Marie Nielsen; Philip Michael Weiser; Klaus Magnus Haaland Johansen; In-Hwan Lee; Andrej Yu Kuznetsov; Lasse Vines
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Crossref

Role of defects in ultra-high gain in fast planar tin gallium oxide UV-C photodetector by MBE

Applied Physics Letters
2022-09-12 | Journal article
DOI: 10.1063/5.0107557
Contributors: Partha Mukhopadhyay; Isa Hatipoglu; Ymir K. Frodason; Joel B. Varley; Martin S. Williams; Daniel A. Hunter; Naresh K. Gunasekar; Paul R. Edwards; Robert W. Martin; Feng Wu et al.
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Crossref

Influence of heat treatments in H2 and Ar on the E1 center in β-Ga2O3

Journal of Applied Physics
2022-03-21 | Journal article
DOI: 10.1063/5.0083861
Contributors: Amanda Langørgen; Christian Zimmermann; Ymir Kalmann Frodason; Espen Førdestrøm Verhoeven; Philip Michael Weiser; Robert Michael Karsthof; Joel Basile Varley; Lasse Vines
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Crossref

Anisotropic and trap-limited diffusion of hydrogen/deuterium in monoclinic gallium oxide single crystals

Applied Physics Letters
2020-12-07 | Journal article
DOI: 10.1063/5.0027333
Contributors: Vilde M. Reinertsen; Philip M. Weiser; Ymir K. Frodason; Marianne E. Bathen; Lasse Vines; Klaus Magnus Johansen
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Crossref

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
2020-09-30 | Journal article
DOI: 10.1088/1361-648X/abac8b
Contributors: J Borgersen; L Vines; Y K Frodason; A Kuznetsov; H von Wenckstern; M Grundmann; M Allen; J Zúñiga-Pérez; K M Johansen
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Crossref

Primary intrinsic defects and their charge transition levels in β–Ga2O3

Physical Review Materials
2020-07-24 | Journal article
DOI: 10.1103/PhysRevMaterials.4.074605
Contributors: C. Zimmermann; V. Rønning; Y. Kalmann Frodason; V. Bobal; L. Vines; J. B. Varley
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Crossref

Combining steady-state photo-capacitance spectra with first-principles calculations: The case of Fe and Ti in β-Ga<sub>2</sub>O<sub>3</sub>

New Journal of Physics
2020-04-29 | Journal article
DOI: 10.1088/1367-2630/ab8e5b
Part of ISSN: 1367-2630
Source: Self-asserted source
Ymir Kalmann Frodason
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Preferred source (of 2)‎

Imaging defect complexes in scanning transmission electron microscopy: Impact of depth, structural relaxation, and temperature investigated by simulations

Ultramicroscopy
2020-02 | Journal article
DOI: 10.1016/j.ultramic.2019.112884
Part of ISSN: 0304-3991
Source: Self-asserted source
Ymir Kalmann Frodason

Self-trapped hole and impurity-related broad luminescence in β-Ga2O3

Journal of Applied Physics
2020-02-21 | Journal article
DOI: 10.1063/1.5140742
Contributors: Y. K. Frodason; K. M. Johansen; L. Vines; J. B. Varley
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Crossref

Ti- and Fe-related charge transition levels in β−Ga2O3

Applied Physics Letters
2020-02-18 | Journal article
DOI: 10.1063/1.5139402
Contributors: Christian Zimmermann; Ymir Kalmann Frodason; Abraham Willem Barnard; Joel Basile Varley; Klaus Irmscher; Zbigniew Galazka; Antti Karjalainen; Walter Ernst Meyer; Francois Danie Auret; Lasse Vines
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Crossref

Electrical charge state identification and control for the silicon vacancy in 4H-SiC

npj Quantum Information
2019-12 | Journal article
DOI: 10.1038/s41534-019-0227-y
Part of ISSN: 2056-6387
Source: Self-asserted source
Ymir Kalmann Frodason

Broad luminescence from donor-complexed LiZn and NaZn acceptors in ZnO

Physical Review B
2019-11-04 | Journal article
DOI: 10.1103/physrevb.100.184102
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Ymir Kalmann Frodason

Anisotropic and plane-selective migration of the carbon vacancy in SiC: Theory and experiment

Physical Review B
2019-07-08 | Journal article
DOI: 10.1103/physrevb.100.014103
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Ymir Kalmann Frodason

Negative- U and polaronic behavior of the Zn-O divacancy in ZnO

Physical Review B
2019-05-15 | Journal article
DOI: 10.1103/physrevb.99.174106
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Ymir Kalmann Frodason

Diffusion of indium in single crystal zinc oxide: a comparison between group III donors

Semiconductor Science and Technology
2019-02-01 | Journal article
DOI: 10.1088/1361-6641/aafa4c
Part of ISSN: 0268-1242
Part of ISSN: 1361-6641
Source: Self-asserted source
Ymir Kalmann Frodason

The interaction between lithium acceptors and gallium donors in zinc oxide

Journal of Applied Physics
2018-12-28 | Journal article
DOI: 10.1063/1.5063326
Part of ISSN: 0021-8979
Part of ISSN: 1089-7550
Source: Self-asserted source
Ymir Kalmann Frodason

Zn vacancy-donor impurity complexes in ZnO

Physical Review B
2018-03-27 | Journal article
DOI: 10.1103/physrevb.97.104109
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Ymir Kalmann Frodason

Zn vacancy as a polaronic hole trap in ZnO

Physical Review B
2017-03-10 | Journal article
DOI: 10.1103/physrevb.95.094105
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Ymir Kalmann Frodason
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