Transient 3D simulation of Czochralski crystal growth considering diameter variations

  • For numerical simulations of the Czochralski crystal growth process, in the literature the quasi-steady state approach is used, i.e. the diameter of the crystal is kept constant. However, this leads to errors in the computation of the phase interface. In the present work, for the first time in 3D, the three-phase junction between melt, crystal and atmo-sphere is allowed to move in horizontal direction. Thus, diameter changes during the crystal growth process could be simulated accordingly. In the future, the vertical movement will be allowed as well, considering the free surface stresses. This will enable realistic predictions of the transient behavior of the crystallization front.

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Author:A. Raufeisen, Michael BreuerORCiD, T. Botsch, A. Delgado
DOI:https://doi.org/10.1016/j.jcrysgro.2008.09.073
ISSN:0022-0248
Parent Title (English):Journal of Crystal Growth
Publisher:Elsevier BV
Document Type:Article
Language:English
Date of first Publication:2009/01/15
Reviewed:Begutachtet/Reviewed
Release Date:2024/07/08
Volume:311
Issue:3
Pagenumber:3
First Page:695
Last Page:697
institutes:Fakultät Verfahrenstechnik
Research Themes:Materialien & Produktionstechnik
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