Unexpected low thermal conductivity and large power factor in Dirac semimetal Cd<sub>3</sub>As<sub>2</sub>

Unexpected low thermal conductivity and large power factor in Dirac semimetal Cd₃As₂

Zhang Cheng^{1, 2}, Zhou Tong^{1, 2, 3}, Liang Sihang^{1, 2}, Cao Junzhi^{1, 2}, Yuan Xiang^{1, 2}, Liu Yanwen^{1, 2}, Shen Yao^{1, 2}, Wang Qisi^{1, 2}, Zhao Jun^{1, 2}, Yang Zhongqin^{1, 2, 3}, Xiu Faxian^{1, 2, †,}

Electrical and thermal transport properties of Cr-doped Cd₃As₂. (a) Changes of carrier density with different Cr doping concentrations (atomic ratio) at 300 K. (b)–(d) Temperature-dependent Seebeck coefficient, ZT andPFof Cr-doped Cd₃As₂, respectively.