Optical investigation of thermoelectric topological crystalline insulator Pb${}_{0.77}$Sn${}_{0.23}$Se

Anjan A. Reijnders, Jason Hamilton, Vivian Britto +5

Pb${}_{0.77}$Sn${}_{0.23}$Se is a novel alloy of two promising thermoelectric materials PbSe and SnSe that exhibits a temperature dependent band inversion below 300 K. Recent work has…