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Numerical study of 3D unsteady melt convection during industrial-scale CZ Si-crystal growth

  • I. Yu Evstratov
  • , V. V. Kalaev
  • , A. I. Zhmakin
  • , Yu N. Makarov
  • , A. G. Abramov
  • , N. G. Ivanov
  • , A. B. Korsakov
  • , E. M. Smirnov
  • , E. Dornberger
  • , J. Virbulis
  • , E. Tomzig
  • , W. Von Ammon
  • Soft-Impact Ltd.
  • Semiconductor Technology Research Corporation
  • Peter the Great St. Petersburg Polytechnic University
  • Siltronic AG

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

We present a computational model of 3D turbulent melt convection in Czochralski Si-crystal growth systems, based on the hybridization of Reynolds-averaged approach and large eddy simulation. The effect of superimposed magnetic field action on the melt flow is introduced in the model to account for the suppression of turbulent melt fluctuations. The model has been verified using experimental data for temperature in the melt and along the melt-crucible surface. Effects of axial magnetic field on the change in melt convection are studied in an industrial configuration.

Original languageEnglish
Pages (from-to)1757-1761
Number of pages5
JournalJournal of Crystal Growth
Volume237-239
Issue number1-4
DOIs
Publication statusPublished - Apr 2002
Externally publishedYes

Keywords

  • A1. Magnetic fields
  • A1. Turbulent convection
  • A2. Czochralski method
  • B1. Silicon

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