Strategies for optimizing the thermoelectricity of PbTe alloys
Zhai Jinze †, Wang Teng †, Wang Hongchao ‡, Su Wenbin, Wang Xue, Chen Tingting, Wang Chunlei §
       

(color online) Temperature-dependent figure of merit reported for typical (a) p-type, Pb0.085Na0.015Te,[12] Pb0.96Mn0.04Te: Na,[14] PbTe0.85Se0.15: 2%Na,[17] Pb0.97Cd0.03Te: Na,[27] Pb0.97Mg0.03Te: Na,[28] Pb0.98Na0.02Te-4%SrTe,[29] and (b) n-type PbTe: La,[18] PbTe: I,[18] PbTe0.998I0.002-3%Sb,[30] La doped PbTe with Ag2Te.[31]