Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 496, Issue 1-2, Pages 53-55Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2010.02.030
Keywords
Thermoelectric; Gold telluride; AuTe2; Electrical resistivity; Seebeck coefficient; Thermal conductivity
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan [21760519]
- Wakasa Wan Energy Research Centre
- Thermal & Electric Energy Technology Foundation
- KRI Inc.
- Murata Science Foundation
- Rajamangala University of Technology Suvarnabhumi
- Thai Government, Thailand
- Association for the Progress of New Chemistry
- Grants-in-Aid for Scientific Research [21760519] Funding Source: KAKEN
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Polycrystalline bulk samples of gold telluride, AuTe2, were prepared and the thermoelectric (TE) properties were measured in the temperature range from room temperature to 600 K. The electrical resistivity (rho) was relatively low (4.07 x 10(-6) Omega m at room temperature) and increased slightly with increasing temperature. The Seebeck coefficient (S) was negative and the absolute values were below 50 mu VK-1. The thermal conductivity (kappa) was 2.64W m(-1) K-1 at room temperature, and slightly increased with temperature. The maximum value of the dimensionless figure of merit ZT (=(ST)-T-2/rho/kappa) was 0.09, obtained at around 450 K. (C) 2010 Elsevier B.V. All rights reserved.
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