Physics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999adspr..24.1215m&link_type=abstract
Advances in Space Research, Volume 24, Issue 10, p. 1215-1218.
Physics
1
Scientific paper
We studied InP solution growth by the travelling heater method numerically. We developed a numerical model of solution growth and a calculation method based on the boundary fit method and the finite difference method. We investigated the effect of buoyancy convection and Marangoni convection on the flow, temperature and concentration fields, the crystal growth rate, the shape of solution-crystal interface and the generation of constitutional supercooling. Through this analysis, the following results were obtained; (1) Constitutional supercooling is induced by buoyancy convection when the Rayleigh number is larger than 1000. (2) Constitutional supercooling is also induced by Marangoni convection when the Marangoni number is larger than 100. (3) The degree of supercooling is lower in the case of Marangoni convection than in the case of buoyancy convection. (4) The solution-crystal interface becomes wavy in the case of Marangoni convection but it becomes concave in the case of buoyancy convection
Maekawa Takuji
Matsumoto Shigeki
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