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Thermoelectric Properties of AgBiTe2-Ag2Te Composite

Published online by Cambridge University Press:  10 February 2011

Y. Takigawa ,
T. Imoto ,
T. Sakakibara  and
K. Kurosawa
Y. Takigawa
Affiliation:
Department of Solids State Electronics, Osaka Electro-Communication University, Neyagawa, Osaka 572–8530, Japan, [email protected]
T. Imoto
Affiliation:
Department of Solids State Electronics, Osaka Electro-Communication University, Neyagawa, Osaka 572–8530, Japan, [email protected]
T. Sakakibara
Affiliation:
Department of Solids State Electronics, Osaka Electro-Communication University, Neyagawa, Osaka 572–8530, Japan, [email protected]
K. Kurosawa
Affiliation:
Department of E&E Eng., University of Miyazaki, Miyazaki 889–2192, Japan
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Abstract

We prepared composite materials of AgBiTe2 with several contents of Ag2Te small-size grains for applications to thermoelectric devices. By enhancing long-wavelength phonon scattering at the grain boundaries, lattice thermal conductivity (thermal conductivity due to lattice vibrations) decreased 30% and thus the thermoelectric characteristics were significantly improved.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 545: Symposium Z – Thermoelectric Materials 1998 - The Next Generation… , 1998 , 105
Copyright
Copyright © Materials Research Society 1999

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