Thermoelectric Properties of Doped (ZnO)mIn2O3

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The thermoelectric properties of layer-structured homologous compounds of (ZnO)mIn2O3 ($m$ is an integer) were investigated in terms of the detailed dependence of the molar ratio of ZnO to In2O3, $n$ (=ZnO/In2O3), and of doping, such as with Ba2+, Ca2+, Sr2+, and Sn4+, for an In site. Except for the Ba and Sr dopings, all sintered specimens with $n\geq 3$ were found to be in the phases of (ZnO)mIn2O3. The highest power factor apparently existed around $n=3$ while the thermal conductivity was minimum at the range from $n=3.5$ to 5. The Ca doping effectively reduced the thermal conductivity, resulting in a dimensionless figure of merit of 0.23 (at 1053 K) for $n=3.5$, which was relatively high among n-type oxides.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 43(6A), 3540-3543, 2004-06-15

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10013155143
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6975318
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  JSAP 
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