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Structural Transformation During the Epitaxial Growth of a System with a Large Misfit: MBE Study of Ni on Au (100)

Published online by Cambridge University Press:  15 February 2011

B. Gilles
Affiliation:
LTPCM, ENSEEG, BP 75, 38402, Grenoble, France
A. Marty
Affiliation:
DRFMC/SP2M, 38054 Grenoble, Cedex 9, France
G. Patrat
Affiliation:
Laboratoire de Cristallographie, CNRS, BP 166, 38042 Grenoble Cedex 9, France
J.L. Vassent
Affiliation:
DRFMC/SP2M, 38054 Grenoble, Cedex 9, France
J.C. Joud
Affiliation:
LTPCM, ENSEEG, BP 75, 38402, Grenoble, France
A. Chamberod
Affiliation:
DRFMC/SP2M, 38054 Grenoble, Cedex 9, France
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Abstract

The growth of Ni on Au (100) has been investigated by MBE. It has been found that a Metastable BCT Ni (100) phase is coherent with the substrate up to a thickness of 5 ML. Then a structural transformation analogous to a raartensitic transition occurs, and the structure becomes FCC Ni (110). We show that the interfacial stress is progressively relieved by a high density of stacking faults, as was predicted by Bruinsma and Zangwill for epitaxial overlayers with a large Misfit.

Type
Research Article
Copyright
Copyright © Materials Research Society 1994

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References

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