JJAP Conference Proceedings

JJAP Conf. Proc. 4, 011107 (2016) doi:10.7567/JJAPCP.4.011107

Numerical simulation of InGaSb crystals growth under microgravity onboard the international space station

Xin Jin1, Haryo Mirsandi1, Takuya Yamamoto1, Youhei Takagi1, Yasunori Okano1,2, Yuko Inatomi2,3, Yasuhiro Hayakawa4, Sadik Dost5

  1. 1Department of Materials Engineering Science, Osaka University, Toyonaka, Osaka, Japan
  2. 2ISAS, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa, Japan
  3. 3School of Physical Sciences, SOKENDAI, Sagamihara, Kanagawa, Japan
  4. 4Research Institute of Electronics, Shizuoka University, Hamamatsu, Shizuoka, Japan
  5. 5Crystal Growth Laboratory, University of Victoria, Victoria, BC, Canada
  • Received October 05, 2015
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Abstract

InxGa1−xSb bulk crystal was grown using a GaSb (seed)/InSb/GaSb (feed) sandwich-structured system onboard the International Space Station (ISS). In order to investigate the transport phenomena especially in terms of interface shapes and dissolution heights, the dissolution process was simulated under a micro-gravity level of the ISS. Simulation results showed that the seed/melt interface was concave towards the seed due to the temperature distribution of the system. This prediction is in good agreement with the results of our previous experimental study.

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