- Ying Pengzhan
Ying Pengzhan
China University of Mining and Technology, Xuzhou 221116, China
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Search for this author on this site - Chen Dongyong
Chen Dongyong
China University of Mining and Technology, Xuzhou 221116, China
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Search for this author on this site - Cui Jiaolin
Cui Jiaolin
Ningbo University of Technology, Ningbo 315016, China
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Search for this author on this site - Yu Lei
Yu Lei
China University of Mining and Technology, Xuzhou 221116, China
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Search for this author on this site - Bao Yufeng
Bao Yufeng
Ningbo University of Technology, Ningbo 315016, China
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The microstructures and thermoelectric properties of AgSb1-xGaxTe2 (x=0-0.2) alloys prepared by spark plasma sintering (SPS) were examined. Results show that the AgSb1-xGaxTe2 alloys possess the same crystal structure with AgSbTe2, and formed secondary phase AgGaTe. After the alloy was doped with Ga, Seebeck coefficients were higher than that of the reference sample without Ga doping, but the thermal conductivity was lower than that of AgSbTe2. When x=0.1, i.e. the alloy was AgSb0.9Ga0.1Te2, the maximum ZT was 0.29 at 375 K, which was approximately 0.08 higher than that of AgSbTe2.
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[Ying Pengzhan, Chen Dongyong, Cui Jiaolin, Yu Lei, Bao Yufeng. Microstructures and Thermoelectric Properties of AgSb1-xGaxTe2(x=0-0.2) Alloys Prepared by Spark Plasma Sintering[J]. Rare Metal Materials and Engineering,2009,38(10):1736~1739.]
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- Received:September 27,2008