Buoyant and rotational flows during acrt vertical bridgman crystal growth

Jeffrey J. Derby; Andrew Yeckel

doi:10.1115/IMECE2000-2071

Buoyant and rotational flows during acrt vertical bridgman crystal growth

Jeffrey J. Derby, Andrew Yeckel

Chemical Engineering and Materials Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Axisymmetric, time-dependent simulations of the high-pressure vertical Bridgman growth of large-diameter cadmium zinc telluride are performed to study the effect of accelerated crucible rotation (ACRT) on crystal growth dynamics. The model includes details of heat transfer, melt convection, solid-liquid interface shape, and dilute zinc segregation. Application of ACRT greatly improves mixing in the melt, but causes an overall increased deflection of the solid-liquid interface. The flow exhibits a Taylor-Gortler instability at the crucible sidewall, which further enhances melt mixing.

Original language	English (US)
Title of host publication	Fluids Engineering
Publisher	American Society of Mechanical Engineers (ASME)
Pages	223-234
Number of pages	12
ISBN (Electronic)	9780791819258
DOIs	https://doi.org/10.1115/IMECE2000-2071
State	Published - 2000
Event	ASME 2000 International Mechanical Engineering Congress and Exposition, IMECE 2000 - Orlando, United States Duration: Nov 5 2000 → Nov 10 2000

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
Volume	2000-R

Conference

Conference	ASME 2000 International Mechanical Engineering Congress and Exposition, IMECE 2000
Country/Territory	United States
City	Orlando
Period	11/5/00 → 11/10/00

Bibliographical note

Publisher Copyright:
© 2000 by ASME.

Publisher link

10.1115/IMECE2000-2071

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Buoyant and rotational flows during acrt vertical bridgman crystal growth. / Derby, Jeffrey J.; Yeckel, Andrew.
Fluids Engineering. American Society of Mechanical Engineers (ASME), 2000. p. 223-234 (ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE); Vol. 2000-R).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Derby, JJ & Yeckel, A 2000, Buoyant and rotational flows during acrt vertical bridgman crystal growth. in Fluids Engineering. ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), vol. 2000-R, American Society of Mechanical Engineers (ASME), pp. 223-234, ASME 2000 International Mechanical Engineering Congress and Exposition, IMECE 2000, Orlando, United States, 11/5/00. https://doi.org/10.1115/IMECE2000-2071

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abstract = "Axisymmetric, time-dependent simulations of the high-pressure vertical Bridgman growth of large-diameter cadmium zinc telluride are performed to study the effect of accelerated crucible rotation (ACRT) on crystal growth dynamics. The model includes details of heat transfer, melt convection, solid-liquid interface shape, and dilute zinc segregation. Application of ACRT greatly improves mixing in the melt, but causes an overall increased deflection of the solid-liquid interface. The flow exhibits a Taylor-Gortler instability at the crucible sidewall, which further enhances melt mixing.",

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AB - Axisymmetric, time-dependent simulations of the high-pressure vertical Bridgman growth of large-diameter cadmium zinc telluride are performed to study the effect of accelerated crucible rotation (ACRT) on crystal growth dynamics. The model includes details of heat transfer, melt convection, solid-liquid interface shape, and dilute zinc segregation. Application of ACRT greatly improves mixing in the melt, but causes an overall increased deflection of the solid-liquid interface. The flow exhibits a Taylor-Gortler instability at the crucible sidewall, which further enhances melt mixing.

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ER -

Buoyant and rotational flows during acrt vertical bridgman crystal growth

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