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Stability and Growth of Lennard-Jones Strained Layer Superlattice Interfaces

Published online by Cambridge University Press:  26 February 2011

Brian W. Dodson
Brian W. Dodson*
Affiliation:
Division 1131, Sandia National Laboratories, Albuquerque, NM 87185
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Abstract

In the context of a model system whose atoms interact via Lennard-Jones (LJ) interatomic potentials, we have studied the stability of an initially perfect strained layer superlattice interface (SLS) and the process of growth of a mismatched layer on a substrate using Monte Carlo techniques. An initially perfect SLS interface is found to be metastable up to 12% mismatch, a much higher value than is found on real SLS systems. In contrast, we find that, within the limitations of the calculations, a perfect SLS interface cannot be grown in an LJ system. The implications of these results for understanding SLS growth processes is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 37: Symposium D – Layered Structures, Epitaxy, and Interfaces , 1984 , 327
Copyright
Copyright © Materials Research Society 1985

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References

1. See, for example, Osbourn, G.C., J.Appl.Phys. 53,1586 (1982).Google Scholar
2. Dodson, B.W. and Taylor, P.A., Phys.Rev.B 30,1679 (1984).CrossRefGoogle Scholar
3. Taylor, P.A. and Dodson, B.W. (in preparation).Google Scholar
4. Muller-Krumbhaar, H., in Monte Carlo Methods in Statistical Physics, Binder, K., ed., Springer-Verlag, New York (1979).Google Scholar