Cobalt and Iron Doping Effects on Thermoelectric ...
Mixing of the milled powders of Mn and Si and the fine powder of Co or Fe was carried out with the starting composition Co x Mn 1− x Si 1.82 (x = 0, 0.003, 0.01, 0.05 and 0.1) or Fe y Mn 1− y Si 1.82 (y = 0, 0.005, 0.01, 0.03, 0.05 and 0.1) using a rotary ball milling equipment (ANZ-51S, Nitto Kagaku Co., Ltd., Japan) at 100 rpm for 1 h in ...