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首页> 外文会议>International Conference on Single Crystal Growth and Heat amp; Mass Transfer(ICSC-2003) vol.2; 20030922-26; Obninsk(RU) >THE PECULIARITIES OF GaSb:Te CRYSTALLIZATION BYBRIDGMAN METHOD ON THE POLYZON FACILITY
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THE PECULIARITIES OF GaSb:Te CRYSTALLIZATION BYBRIDGMAN METHOD ON THE POLYZON FACILITY

机译：Gasb：Te布里奇曼法结晶对多晶区结构的可及性

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摘要

Consideration is being given to the process of GaSb(Te) directional crystallization by the vertical Bridgman method on the Polyzon facility with axisymmetric heating mainly from the top. Investigations have been performed within the framework of ground-based elaboration of the space experiment on GaSb(Te) crystal growth. Crystallization was performed at uniform stirring of the temperature profile along an ampoule with a sample through control of temperature regimes of three Polyzon heating units. Therewith no mechanical translation of an ampoule with respect to heating units was observed, and vibrations from the travelling mechanism were eliminitated. Marangoni convection was absent. Mathematical simulation of nonstationary crystallization has been performed with the KARMA batch. Computated have been heat and mass transfer processes in a melt and GaSb:Te crystallization parameters depending on temperature conditions on the ampoule surface. Also considered has been the effect of the rotating magnetic field. Results of the space experiment have been forecast.
机译：考虑了在垂直对称的加热条件下，主要是从顶部开始的Polyzon装置上的垂直Bridgman法进行的GaSb（Te）定向结晶过程。在对GaSb（Te）晶体生长进行空间实验的地面基础上，已经进行了研究。通过控制三个Polyzon加热单元的温度范围，在沿着安瓿瓶与样品均匀搅拌温度曲线的情况下进行结晶。因此，没有观察到安瓿相对于加热单元的机械平移，并且消除了来自行进机构的振动。马兰戈尼不存在对流。使用KARMA批处理进行了非平稳结晶的数学模拟。根据安瓿表面的温度条件，计算出熔体中的传热和传质过程以及GaSb：Te的结晶参数。还考虑了旋转磁场的影响。太空实验的结果已经被预测。

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