Chin. Phys. Lett.  2010, Vol. 27 Issue (6): 068102    DOI: 10.1088/0256-307X/27/6/068102
CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
Elevation of the Power Factor of Co4Sb12 Skutterudite with Sm-Doping in High-Pressure High-Temperature Synthesis

JIANG Yi-Ping1,2, JIA Xiao-Peng1, GUO Wei1, XU Hui-Wen1, DENG Le1, ZHENG Shi-Zhao1, MA Hong-An1

1National Lab of Superhard Materials, Jinlin University, Changchun 130012 2Department of Physics, Beihua University, Jilin 132013
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JIANG Yi-Ping, JIA Xiao-Peng, GUO Wei et al  2010 Chin. Phys. Lett. 27 068102
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Abstract

A thermoelectric material SmxCo4Sb12 (0<x≤1.0)compounds exhibits n-type conduction. The absolute value of the Seebeck coefficient decreases with increasing Sm fraction. The resistivity increases with samarium content x from 0.1 to 0.2, but decreases dramatically when x changes from 0.2 to 1.0. The maximum power factor reaches 13.1 μW.cm-1K-2 at x=1.0, which is larger than the data previously reported for the La-doped CoSb3 prepared at room pressure.

Keywords: 81.05.Hd      72.15.Jf     
Received: 25 August 2009      Published: 25 May 2010
PACS:  81.05.Hd (Other semiconductors)  
  72.15.Jf (Thermoelectric and thermomagnetic effects)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/27/6/068102       OR      https://cpl.iphy.ac.cn/Y2010/V27/I6/068102
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JIANG Yi-Ping
JIA Xiao-Peng
GUO Wei
XU Hui-Wen
DENG Le
ZHENG Shi-Zhao
MA Hong-An
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