Significant role of nanoscale Bi-rich phase in optimizing thermoelectric performance of Mg<sub>3</sub>Sb<sub>2</sub>

Significant role of nanoscale Bi-rich phase in optimizing thermoelectric performance of Mg₃Sb₂

Wang Yang¹, Zhang Xin^{1, †}, Liu Yan-Qin¹, Zhang Jiu-Xing², Yue Ming¹

The temperature-dependent thermal transport properties and ZTs of the Mg₃Sb_2−xBi_x (0.4 ≤ x ≤ 0.55), showing (a) total thermal conductivity κ(T), (b) lattice thermal conductivity κ_L (T), and (c) ZT(T).