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Experimental and Theoretical Analysis of Heat and Mass Transport in the System for AlN Bulk Crystal Growth

Published online by Cambridge University Press:  11 February 2011

M. V. Bogdanov ,
S. Yu. Karpov ,
A. V. Kulik ,
M. S. Ramm ,
Yu. N. Makarov ,
R. Schlesser ,
R. F. Dalmau  and
Z. Sitar
M. V. Bogdanov
Affiliation:
Semiconductor Technology Research, Inc., P.O. Box 70604, Richmond, VA 23255–0604, USA
S. Yu. Karpov
Affiliation:
Semiconductor Technology Research, Inc., P.O. Box 70604, Richmond, VA 23255–0604, USA
A. V. Kulik
Affiliation:
Semiconductor Technology Research, Inc., P.O. Box 70604, Richmond, VA 23255–0604, USA
M. S. Ramm
Affiliation:
Semiconductor Technology Research, Inc., P.O. Box 70604, Richmond, VA 23255–0604, USA
Yu. N. Makarov
Affiliation:
Semiconductor Technology Research, Inc., P.O. Box 70604, Richmond, VA 23255–0604, USA
R. Schlesser
Affiliation:
Dept. Mat. Sci. Eng., North Caroline State University, 1001 Capability Dr., Raleigh, NC 27695 -7919, USA
R. F. Dalmau
Affiliation:
Dept. Mat. Sci. Eng., North Caroline State University, 1001 Capability Dr., Raleigh, NC 27695 -7919, USA
Z. Sitar
Affiliation:
Dept. Mat. Sci. Eng., North Caroline State University, 1001 Capability Dr., Raleigh, NC 27695 -7919, USA
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Abstract

Bulk AlN crystal growth by Physical Vapor Transport (PVT) is studied both experimentally and numerically. This paper presents the analysis of heat and mass transport mechanisms in closed and partially open crucible geometries. The heat transfer in the growth system used at North Carolina State University (NCSU) is simulated. The computed temperature profiles are used in the analysis of mass transport in the growth cell to gain understanding of the effect of species exchange between the crucible and environment on the AlN growth rate. The model predictions are in reasonable agreement with observations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 743: Symposium L – GaN and Related Alloys , 2002 , L3.33
Copyright
Copyright © Materials Research Society 2003

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References

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