Influence of V Doping on the Thermoelectric Properties of Fe2Ti1 –xVxSn Heusler Alloys

Resumo

The results of experimental investigation into Fe₂Ti_{1 –x}V_xSn alloys (x = 0, 0.06, 0.15, and 0.2) are presented. It is established from the temperature dependences of the electrical conductivity, Seebeck coefficient, and thermal conductivity that the studied compositions exhibit the transport properties typical of semiconductors, while the partial substitution of titanium atoms by vanadium atoms leads to a change in the conductivity from p-type to n-type; the undoped Fe₂TiSn sample possesses the best thermoelectric characteristics.