Computational study of electron paramagnetic resonance parameters for Mg and Zn impurities in -Ga2O3

被引：18
|
作者：
Skachkov, Dmitry [1 ]
Lambrecht, Walter R. L. [1 ]
机构：
[1] Case Western Reserve Univ, Dept Phys, 10900 Euclid Ave, Cleveland, OH 44106 USA
来源：
APPLIED PHYSICS LETTERS | 2019年 / 114卷 / 20期
基金：
美国国家科学基金会;
关键词：
Electron spin resonance spectroscopy - Paramagnetism - Gallium alloys - Tensors - Binary alloys - Electron resonance - Gallium compounds - Magnesium - Zinc;
D O I：
10.1063/1.5099396
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A computational study of electron paramagnetic resonance (EPR) g-tensors and hyperfine tensors in Mg- and Zn-doped -Ga2O3 is presented. While Mg has been found previously to prefer the octahedral site, we find here that Zn prefers the tetrahedral substitutional site. The EPR signatures are found to be distinct for the two sites. Good agreement with experiment is found for the g-tensor and the hyperfine interaction for Mg-Ga2, and predictions are made for the Zn case.
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页数：4
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