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Degenerate doping in <i>β</i>-Ga<sub>2</sub>O<sub>3</sub> single crystals through Hf-doping

Degenerate doping in <i>β</i>-Ga<sub>2</sub>O<sub>3</sub> single crystals through Hf-doping

N type conductivity of \b{eta}-Ga2O3 grown from the melt is typically achieved using Sn and Si. In this paper, we experimentally and computationally investigate Hf doping of \b{eta}-Ga2O3 single crystals using UV-Vis-NIR absorption and Hall Effect measurements and hybrid functional calculations. Unintentionally-doped and Hf-doped samples with a nominal concentration of …