Giant improvement of thermoelectric properties of PdS under pressure

ORAL

Abstract

Application of pressure can significantly affect the electronic and lattice properties of a material without introducing impurity, especially the transport properties. Measurements of electrical conductivity, Seebeck coefficient, and thermal conductivity under pressure are conducted on PdS. An enhanced electrical conductivity and Seebeck coefficient are observed upon compression. On the contrary, thermal conductivity has a downward trend with increasing pressure. These results demonstrate that the value of zT can be significantly enhanced with the application of pressure in the studied system.

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Presenters

  • Liucheng Chen

    • Center for High Pressure Science and Technology Advanced Research

Authors

  • Liucheng Chen

    • Center for High Pressure Science and Technology Advanced Research

  • Hao Yu

    • Center for High Pressure Science and Technology Advanced Research

  • Hongjie Pang

    • Center for High Pressure Science and Technology Advanced Research

  • Binbin Jiang

    • Institute of Ceramics Chinese , Academy of Science
    • Institute of Ceramics, Chinese Academy of Science

  • Xun Shi

    • Institute of Ceramics Chinese , Academy of Science

  • Lidong Chen

    • Institute of Ceramics Chinese , Academy of Science
    • Institute of Ceramics, Chinese Academy of Science

  • Xiao-Jia Chen

    • Center for High Pressure Science and Technology Advanced Research
    • Center for High Pressure Science & Technology Advanced Research (HPSTAR)
    • Center for High Pressure Science & Technology Advanced Research
    • Center for High-Pressure Science & Technology Advanced Research