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Control of Texture During Vapor Deposition of Al on (111) Si

Published online by Cambridge University Press:  25 February 2011

N. Thangaraj ,
J. Reyes-Gasga ,
K.H. Westmacott  and
U. Dahmen
N. Thangaraj
Affiliation:
National Center for Electron Microscopy, MSD, Lawrence Berkeley Laboratory, University of California, Berkeley, Ca. 94720
J. Reyes-Gasga
Affiliation:
Instituto de Fisica, University of Mexico, A.P 20–364, 01000 Mexico D.F., MEXICO
K.H. Westmacott
Affiliation:
National Center for Electron Microscopy, MSD, Lawrence Berkeley Laboratory, University of California, Berkeley, Ca. 94720
U. Dahmen
Affiliation:
National Center for Electron Microscopy, MSD, Lawrence Berkeley Laboratory, University of California, Berkeley, Ca. 94720
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Abstract

The growth of Al on (111) Si single crystal substrates by various techniques usually leads to films with (111) texture, sometimes with a small (100) component. Using X-ray diffraction and electron microscopy, the present study shows that the (100) texture component can be enhanced to the point of forming an oriented (100) continuous tricrystal structure. The formation of this texture is shown to be related the presence of Cu. It is concluded that an understanding of heteroepitaxy must take into account the effect of chemistry in addition to the crystallographic criteria of lattice matching.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 221: Symposium C – Heteroepitaxy of Dissimilar Materials , 1991 , 81
Copyright
Copyright © Materials Research Society 1991

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References

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