Cryogenic thermoelectric enhancements in SbCl3-doped porous Bi0.85Sb0.15 alloys

The high ZT values of 0.45 under 0 T and 0.64 under 1 T at cryogenic temperature are achieved for a porous Bi 0.85 Sb 0.15 /1 vol% SbCl 3 material prepared by SbCl 3 sublimation due to a large decrease of thermal conductivity.