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Enhancing high-temperature thermoelectric properties of PtAs_2 by Rh doping

机译：Rh掺杂增强PtAs_2的高温热电性能

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摘要

The effects of Rh doping on the thermoelectric properties of Pt_(1-x)Rh_xAs_2 (x=0, 0.005, and 0.01) with pyrite structure were studied by conducting measurements of electrical resistivity p, Seebeck coefficient S, and thermal conductivity k. The sample with x = 0.005 exhibited large 5 and low p, resulting in a maximum power factor (S~2/p) of 65μW/cmK~2 at 440 K. The peculiarly shaped "corrugated flat band" predicted for PtSb_2 might explain the enhanced thermoelectric properties of doped PtAs_2.
机译：通过进行电阻率p，塞贝克系数S和热导率k的测量，研究了Rh掺杂对具有黄铁矿结构的Pt_（1-x）Rh_xAs_2（x = 0、0.005和0.01）的热电性能的影响。 x = 0.005的样品表现出较大的5和较低的p，导致在440 K下的最大功率因数（S〜2 / p）为65μW/ cmK〜2。PtSb_2预测的特殊形状的“波纹平带”可能解释了这一点。增强了掺杂PtAs_2的热电性能。

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  • 来源
    《Applied Physics Letters》 |2013年第9期|092107.1-092107.3|共3页
  • 作者

    Kazutaka Kudo; Seiya Nakano; Tasuku Mizukami; Toshiro Takabatake; Minoru Nohara;

  • 作者单位

    Department of Physics, Okayama University, Okayama 700-8530, Japan,Advanced Low Carbon Technology Research and Development Program (ALCA),Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan;

    Department of Physics, Okayama University, Okayama 700-8530, Japan,Advanced Low Carbon Technology Research and Development Program (ALCA),Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan;

    Department of Physics, Okayama University, Okayama 700-8530, Japan,Advanced Low Carbon Technology Research and Development Program (ALCA),Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan;

    Department of Quantum Matter, ADSM, Hiroshima University, Higashi-Hiroshima 739-8530, Japan;

    Department of Physics, Okayama University, Okayama 700-8530, Japan,Advanced Low Carbon Technology Research and Development Program (ALCA),Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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