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A computational study of electron paramagnetic resonance (EPR) g-tensors and hyperfine tensors in Mg- and Zn-doped β-Ga2O3 is presented. While Mg has been found previously to prefer the octahedral site,… Click to show full abstract
A computational study of electron paramagnetic resonance (EPR) g-tensors and hyperfine tensors in Mg- and Zn-doped β-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 MgGa2, and predictions are made for the Zn case.A computational study of electron paramagnetic resonance (EPR) g-tensors and hyperfine tensors in Mg- and Zn-doped β-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 MgGa2, and predictions are made for the Zn case.
Journal Title: Applied Physics Letters
Year Published: 2019
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