Structural stability of β-Ga2O3 under ion irradiation
Alexander Petkov
1
,
David Cherns
1
,
Wei-Ying Chen
2
,
Junliang Liu
3
,
John Blevins
4
,
V. Gambin
5
,
Meimei Li
2
,
Dong Liu
1
,
Martin Kuball
1
4
Air Force Research Laboratory 4 , Wright-Patterson AFB, Ohio 45433, USA
|
5
NG Next, Northrop Grumman Corporation 5 , Redondo Beach, California 90278, USA
|
Publication type: Journal Article
Publication date: 2022-10-24
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
β-Ga2O3 was suggested to have excellent irradiation hardness which makes β-Ga2O3-based devices extremely attractive for nuclear and space applications. To discern the fundamental nano-scale structural changes with irradiation, an in situ irradiation experiment in a transmission electron microscope was carried out using 400 keV Ar ions of fluences up to 8 × 1015 cm−2 (equivalent to four displacements per atom). Contrary to previous works, which indicate a phase transition of β-Ga2O3 into the κ polymorph, the β-Ga2O3 structure was found to remain intact throughout except for (i) anisotropic lattice distortions, which are most significant at low levels of irradiation, and (ii) the appearance of additional weak reflections above 2 dpa irradiation. The origin of the extra reflections is discussed.
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Total citations:
19
Citations from 2024:
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(73.69%)
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GOST
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Petkov A. et al. Structural stability of β-Ga2O3 under ion irradiation // Applied Physics Letters. 2022. Vol. 121. No. 17. p. 171903.
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Petkov A., Cherns D., Chen W., Liu J., Blevins J., Gambin V., Li M., Liu D., Kuball M. Structural stability of β-Ga2O3 under ion irradiation // Applied Physics Letters. 2022. Vol. 121. No. 17. p. 171903.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1063/5.0120089
UR - https://doi.org/10.1063/5.0120089
TI - Structural stability of β-Ga2O3 under ion irradiation
T2 - Applied Physics Letters
AU - Petkov, Alexander
AU - Cherns, David
AU - Chen, Wei-Ying
AU - Liu, Junliang
AU - Blevins, John
AU - Gambin, V.
AU - Li, Meimei
AU - Liu, Dong
AU - Kuball, Martin
PY - 2022
DA - 2022/10/24
PB - AIP Publishing
SP - 171903
IS - 17
VL - 121
SN - 0003-6951
SN - 1077-3118
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2022_Petkov,
author = {Alexander Petkov and David Cherns and Wei-Ying Chen and Junliang Liu and John Blevins and V. Gambin and Meimei Li and Dong Liu and Martin Kuball},
title = {Structural stability of β-Ga2O3 under ion irradiation},
journal = {Applied Physics Letters},
year = {2022},
volume = {121},
publisher = {AIP Publishing},
month = {oct},
url = {https://doi.org/10.1063/5.0120089},
number = {17},
pages = {171903},
doi = {10.1063/5.0120089}
}
Cite this
MLA
Copy
Petkov, Alexander, et al. “Structural stability of β-Ga2O3 under ion irradiation.” Applied Physics Letters, vol. 121, no. 17, Oct. 2022, p. 171903. https://doi.org/10.1063/5.0120089.