Special Issue MSL-1(2)Microgravity Diffusion Experiments for Compound Semiconductor Lead-Tin-Telluride Melt in Space Shuttle Mission MSL-1

DOI Web Site 参考文献11件
  • UCHIDA Misako
    Materials Technology Dept., Research Inst. Ishikawajima-Harima Heavy Industries Co., Ltd. Dept. of Chemistry Faculty of Science, Hokkaido University
  • ITAMI Toshio
    Dept. of Chemistry Faculty of Science, Hokkaido University
  • KANEKO Minoru
    Ishikawajima Jet Service Co., Ltd.
  • SHISA Akira
    Space Experiment System Development Dept., Space Development Div. Ishikawajima-Harima Heavy Industries Co., Ltd.
  • AMANO Shinichi
    Space Experiment System Development Dept., Space Development Div. Ishikawajima-Harima Heavy Industries Co., Ltd.
  • OOIDA Toshihiko
    National Space Development Agency of Japan
  • MASAKI Tadahiko
    National Space Development Agency of Japan
  • YODA Shinichi
    National Space Development Agency of Japan

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  • Microgravity Diffusion Experiments for Compound Semiconductor Lead-Tin-Telluride Melt in Space Shuttle Mission MSL-1

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To obtain the temperature dependence of the diffusion coefficient for Pb0.75Sn0.25Te, diffusion experiments were conducted during space shuttle mission MSL-1, launched in April and July 1997. The diffusion coefficient were measured from 1223 K to 1573 K with a diffusion couple of Pb0.8Sn0.2Te and Pb0.7Sno.3Te under controlled cooling to avoid having segregation influence solidification. MSL-1 data was much smaller than ground data, particularly at high temperature, even though almost the same value was obtained near the melting point. Temperature dependence was determined from the MSL-1 experiment as (6.7 x 10- 9 m2/ s) x (Tl Tm) 2· 6 , Tm is the melting point.

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