Figure 3

Transport properties of PbxSb1−xCrSe3 (x=0, 0.01, 0.03 and 0.05) samples. (a) Temperature-dependent electrical conductivity (σ). (b) Hall carrier concentration (black symbols) and carrier mobility (blue symbols) at room temperature. (c) Temperature-dependent Seebeck coefficient (S). (d) Temperature-dependent power factor (S2σ).