Thermal expansion coefficient and lattice anharmonicity of cubic boron arsenide

14 Jun 2019 Chen Xi Li Chunhua Tian Fei Gamage Geethal Amila Sullivan Sean Zhou Jianshi Broido David Ren Zhifeng Shi Li

Recent measurements of an unusual high thermal conductivity of around 1000 W m-1 K-1 at room temperature in cubic boron arsenide (BAs) confirm predictions from theory and suggest potential applications of this semiconductor compound for thermal management applications. Knowledge of the thermal expansion coefficient and Gr\"uneisen parameter of a material contributes both to the fundamental understanding of its lattice anharmonicity and to assessing its utility as a thermal-management material... (read more)

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