Articles written in Bulletin of Materials Science
Volume 34 Issue 6 October 2011 pp 1209-1212
Thermoelectric material, Ag1−𝑥Pb𝑚SbTe𝑚+2 (𝑥 = 0.2, 𝑚 = 10), have been successfully prepared by high pressure method. The pressure-dependent electrical transport and thermoelectric properties of Ag0.8Pb10SbTe12 were studied at room temperature. Electrical resistivity and Seebeck coefficient decreases with an increase of synthetic pressure. Thermal conductivities are nearly constant when the pressure is lower than 4 GPa. The carrier concentrations of Ag0.8Pb10SbTe12 were tuned by more than a factor of 100 through changing of synthetic pressure. These results indicate that high pressure technique provides a viable and controllable way of tuning the electrical transport properties for AgPb𝑚SbTe𝑚+2.
Volume 42 | Issue 6
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