Simulation of global heat transfer in the Czochralski process for BGO sillenite crystals

O. N. Budenkova*, M. G. Vasiliev, V. S. Yuferev, E. N. Bystrova, V. V. Kalaev, V. Bermúdez, E. Diéguez, Yu N. Makarov

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

27 Citations (Scopus)

Abstract

The influence of radiative heat transfer on the temperature fields in the crystal and the shape of the melt/liquid interface in Czochralski sillenite BGO growth is considered. It is shown that specular reflection at the shoulder side surface results in a large convexity of the interface and the appearance of a thin cool region near the crystal axis. The latter phenomenon is explained by poor conductivity and rather appreciable absorption coefficient of sillenite crystals and may be responsible for the formation of a dark core in the crystal center.

Original languageEnglish
Pages (from-to)103-108
Number of pages6
JournalJournal of Crystal Growth
Volume266
Issue number1-3
DOIs
Publication statusPublished - 15 May 2004
Externally publishedYes
EventProceedings of the Fourth International Workshop on Modeling - Kyushu, Japan
Duration: 4 Nov 20037 Nov 2003

Keywords

  • A1. Computer simulation
  • A1. Heat transfer
  • A1. Interfaces
  • A1. Radiation
  • A2. Czochralski method
  • B1. Oxides

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