Issue 4, 2010

Thermoelectric properties of Eu(Zn1−xCdx)2Sb2

Abstract

The thermoelectric performance of EuZn2Sb2 and EuCd2Sb2 was optimized by mixed occupation of the transition metal position. Samples in the solid solution Eu(Zn1−xCdx)2Sb2 with the CaAl2Si2-type crystal structure (space group [P with combining macron]m1) were prepared from the elements for compositions with x = 0, 0.1, 0.3, 0.5 and 1. The thermoelectric properties were investigated after densification of the products by spark plasma sintering (SPS). The samples show low electrical resistivity, high thermopower and a low lattice thermoconductivity. The highest ZT value of 1.06 at 650 K is obtained for x = 0.1.

Graphical abstract: Thermoelectric properties of Eu(Zn1−xCdx)2Sb2

Article information

Article type
Paper
Submitted
10 Aug 2009
Accepted
11 Sep 2009
First published
25 Sep 2009

Dalton Trans., 2010,39, 1101-1104

Thermoelectric properties of Eu(Zn1−xCdx)2Sb2

H. Zhang, M. Baitinger, M. Tang, Z. Man, H. Chen, X. Yang, Y. Liu, L. Chen, Y. Grin and J. Zhao, Dalton Trans., 2010, 39, 1101 DOI: 10.1039/B916346H

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