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首页> 外文期刊>Crystal Research and Technology: Journal of Experimental and Industrial Crystallography >Numerical study of the effects of cusp-shaped magnetic fields and thermal conductivity on the melt-crystal interface in CZ crystal growth
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Numerical study of the effects of cusp-shaped magnetic fields and thermal conductivity on the melt-crystal interface in CZ crystal growth

机译：尖峰形磁场和热导率对CZ晶体生长中熔体晶体界面影响的数值研究

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摘要

A numerical study was carried out to determine the effects of magnetic fields and thermal conductivity of a crystal on the melt flow in a crystal growth system. Comparisons of computations for the case of no magnetic field and for two types of cusp-shaped magnetic fields were made. The effect of thermal conductivity of a crystal on the shape of a melt-crystal interface was also investigated. The computation results showed that the magnetic fields have clear effects on both the pattern and strength of flow of the melt and the interface shape. Application of a magnetic field to the Czochralski system is therefore an effective tool for controlling the quality of bulk crystal during Czochralski growth process. The results also showed that the shape of the interface could be modified by changing thermal conductivity of silicon. [References: 18]
机译：进行了数值研究以确定晶体的磁场和导热率对晶体生长系统中熔体流动的影响。比较了无磁场情况和两种尖尖形磁场的计算结果。还研究了晶体的热导率对熔体-晶体界面形状的影响。计算结果表明，磁场对熔体流动的模式和强度以及界面形状都有明显的影响。因此，向切克劳斯基系统施加磁场是控制切克劳斯基生长过程中块状晶体质量的有效工具。结果还表明，可以通过改变硅的热导率来改变界面的形状。 [参考：18]

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