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Start Over Author "Fan, Haotian" Topic high pressure (technology)
2 results on '"Fan, Haotian"'

2. High pressure synthesis and thermoelectric properties of PbSe.

Author

Fan, Haotian, Su, Taichao, Li, Hongtao, Zheng, Youjin, Li, Shangsheng, Hu, Meihua, Zhou, Youmo, Ma, Hongan, and Jia, Xiaopeng

Subjects
*HIGH pressure (Technology), *THERMOELECTRICITY, *LEAD selenide crystals, *INORGANIC synthesis, *ELECTRIC conductivity, *THERMAL conductivity
Abstract

Abstract: Thermoelectric materials PbSe were successfully prepared by high pressure and high temperature technique (HPHT) and the pressure-dependent thermoelectric properties were studied from 300 to 600K. The measurement results indicate that the electrical conduction type in PbSe can be changed from p- (<2.0GPa) to n-type (>2.0GPa) by application of pressure of about 2.0GPa. And the electrical resistivity can be reduced effectively by pressure. Low thermal conductivity (~0.8W/mK) is obtained for high pressure synthesized PbSe. These results indicate that high pressure provides a viable and controllable way of tuning the thermoelectric properties for PbSe. [Copyright &y& Elsevier]

Published
2014
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