首页> 外文期刊>Journal of Materials Research >RuIn_(3-x)Sn_x RuIn_(3-x)Zn_x, and Ru_(1-y)In_3-new thermoelectrics based on the semiconductor RuIn_3
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RuIn_(3-x)Sn_x RuIn_(3-x)Zn_x, and Ru_(1-y)In_3-new thermoelectrics based on the semiconductor RuIn_3

机译:RuIn_(3-x)Sn_x RuIn_(3-x)Zn_x和Ru_(1-y)In_3-基于半导体RuIn_3的新型热电元件

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摘要

A systematic investigation of the intermetallic phase Ru_(3-x)In_3 (0 ≤ y ≤ 0.025) and its substitution derivatives RuIn_(3-x)Sn_x and RuIn_(3-x)Zn_x (x = 0.01, 0.025, 0.05, and 0.1) is performed. The samples were prepared from a liquid-solid reaction of components with subsequent spark plasma sintering treatment. Ru_(3-x)In_3 exhibits n- and p-type behavior crossing over from low to high temperatures. Substitution of indium by tin or zinc up to 2.5 at.% leads to an increase of the charge carrier concentration, with negative (Sn) or positive (Zn) Seebeck values, respectively. The electrical resistivity was P changed from semiconductor- to metal-like properties by substitution, whereas the thermal conductivity was reduced down to 50% of that of RuIn_3. Higher values of the thermoelectric figure of merit were achieved by chemical substitution (RuIn_(3-x)Sn_x, RuIn_(3-x)Zn_x), opening up a possibility for tuning the thermoelectric properties in this class of materials.
机译:对金属间相Ru_(3-x)In_3(0≤y≤0.025)及其取代衍生物RuIn_(3-x)Sn_x和RuIn_(3-x)Zn_x的系统研究(x = 0.01、0.025、0.05和0.1)。由组分的液固反应和随后的火花等离子体烧结处理制备样品。 Ru_(3-x)In_3表现出从低温到高温的n型和p型行为。锡或锌取代铟至2.5 at。%会导致电荷载流子浓度增加,分别为负(Sn)或正(Zn)塞贝克值。电阻率通过置换从半导体性质转变为金属性质,P变为P,而热导率降低到RuIn_3的50%。通过化学取代(RuIn_(3-x)Sn_x,RuIn_(3-x)Zn_x)获得更高的热电品质因数值,从而为调节此类材料中的热电特性提供了可能性。

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  • 来源
    《Journal of Materials Research》 |2011年第15期|p.1886-1893|共8页
  • 作者单位

    Max-Planck-Institut fur Chemische Physik fester Stoffe, 01187 Dresden, Germany;

    Max-Planck-Institut fur Chemische Physik fester Stoffe, 01187 Dresden, Germany;

    Max-Planck-Institut fur Chemische Physik fester Stoffe, 01187 Dresden, Germany;

    Max-Planck-Institut fur Chemische Physik fester Stoffe, 01187 Dresden, Germany;

    Max-Planck-Institut fur Chemische Physik fester Stoffe, 01187 Dresden, Germany;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
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