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Thermoelectric Properties of AgBiTe2 -Ag2 Te Composite

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Abstract

We prepared composite materials of AgBiTe2 with several contents of Ag2 Te 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.

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Authors and Affiliations

  1. Department of Solids State Electronics, Osaka Electro-Communication University, Neyagawa, Osaka, 572-8530, Japan

    Y. Takigawa, T. Imoto & K. Kurosawa

  2. Department of E&E Eng., University of Miyazaki, Miyazaki, 889-2192, Japan

    T. Sakakibara

Authors
  1. Y. Takigawa
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  2. T. Imoto
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  3. T. Sakakibara
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  4. K. Kurosawa
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Takigawa, Y., Imoto, T., Sakakibara, T. et al. Thermoelectric Properties of AgBiTe2 -Ag2 Te Composite. MRS Online Proceedings Library 545, 105–109 (1998). https://doi.org/10.1557/PROC-545-105

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  • DOI: https://doi.org/10.1557/PROC-545-105

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