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1 Materials Science Poland

1 2012

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Fast preparation and thermoelectric properties of Zn4Sb3 by HPHT

Su T., Zhu H., Ma H., Li S., Hu M.

Materials Science Poland

2012

Vol. 30, No. 4

355--358

In this paper, crack-free bulk thermoelectric material Zn4Sb3 was prepared rapidly by high pressure and high temperature (HPHT) method. Near a single-phase Zn4Sb3 specimen was obtained using nominal stoichiometric powder mixtures, which were indexed by powder X-ray diffraction. The temperature-dependent thermoelectric properties including the Seebeck coefficient and electrical resistivity were studied. The maximum power factor of Zn4Sb3 specimen prepared by HPHT reaches 10.8 žW/(cmK 2)at 637 K, which is comparable to the published data. The results show that the HPHT offers potential processing route to produce the thermoelectric material Zn4Sb3 quickly and effectively.