Theoretical and experimental thermolectric properties of a 30% Ge alloy vs. T for various doping concentrations: (a) thermoelectric ZT, (b) Seebeck coefficient S, (c) electrical conductivity σ and (d) electrical resistivity ρ

Theoretical and experimental thermolectric properties of a 30% Ge alloy vs. T for various doping concentrations: (a) thermoelectric ZT, (b) Seebeck coefficient S, (c) electrical conductivity σ and (d) electrical resistivity ρ