Fig. 6: Thermal transport properties of Bi₂Te₃-family crystals.

Room-temperature thermal conductivity (κ) of a Bi₂(Te_1-xSe_x)₃ and b (Bi_1-ySb_y)₂Te₃ bulk crystals. Room-temperature lattice thermal conductivity (κ_L) of c Bi₂(Te_1-xSe_x)₃ and d (Bi_1-ySb_y)₂Te₃ bulk crystals.