Model Experiments for Flow Phenomena in Crystal Growth,Crystal Research and Technology

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Model Experiments for Flow Phenomena in Crystal Growth
Crystal Research and Technology ( IF 1.5 ) Pub Date : 2019-10-08 , DOI: 10.1002/crat.201900096
Kaspars Dadzis ₁ , Olf Pätzold ₂ , Gunter Gerbeth ₃

Affiliation

The concept of a physical model experiment is introduced and discussed in the context of melt and gas flows in bulk crystal growth processes. Such experiments allow one to "extract" selected physical phenomena from the full complexity of a real crystal growth process and “transfer” them to material systems with an easier access for experimental measurements. Model experiments for the main techniques of melt growth are summarized in a literature review, and the applicability of the results to real crystal growth systems is analyzed. Recent examples of model experiments for melt and gas flows in Czochralski growth of silicon are used to demonstrate the state of the art and show the potential of such experiments to improve the understanding of complex multi‐physical multi‐scale phenomena occurring in every crystal growth process.

中文翻译：

晶体生长中流动现象的模型实验

物理模型实验的概念是在块状晶体生长过程中的熔体和气体流动的背景下进行介绍和讨论的。这样的实验允许人们从真正的晶体生长过程的全部复杂性中“提取”选定的物理现象，然后将其“转移”到材料系统中，从而更易于进行实验测量。文献综述总结了熔体生长主要技术的模型实验，并分析了该结果对实际晶体生长系统的适用性。利用硅的直拉奇晶体生长中的熔体和气体流动的模型实验的最新实例来证明现有技术水平，并展示这种实验的潜力，以增进对每个晶体生长过程中发生的复杂多物理多尺度现象的理解。。

更新日期：2020-02-12

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