Enhanced thermoelectric performance in p-type Mg3Sb2 via lithium doping
Wang Hao1, 2, Chen Jin1, 2, Lu Tianqi2, Zhu Kunjie1, Li Shan2, Liu Jun1, †, Zhao Huaizhou2, ‡
       

(color online) Comparison of (a) temperature-dependent zT and (b) engineering zT of Mg2.99Li0.01Sb2 and those of previous reported p-type Mg3Sb2 compounds (Mg2.985Ag0.015Sb2, Mg2.9875Na0.0125Sb2, Mg3Sb1.8Pb0.2, and Mg3Sb1.8Bi0.2).