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The Heteroepitaxial Nucleation and Growth of Metal Oxides by Llvsztu Oxidation

Published online by Cambridge University Press:  17 March 2011

Mridula D. Bharadwaj ,
Gnang-wen Zhou  and
Judith C. Yang
Mridula D. Bharadwaj
Affiliation:
Department of Materials Science and Engineering, University of Pittsburgh, Pittsburgh, PA 15213, U.S.A
Gnang-wen Zhou
Affiliation:
Department of Materials Science and Engineering, University of Pittsburgh, Pittsburgh, PA 15213, U.S.A
Judith C. Yang
Affiliation:
Department of Materials Science and Engineering, University of Pittsburgh, Pittsburgh, PA 15213, U.S.A
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Abstract

Here we report our investigations on the initial stages of Cu(OO1) oxidation in dry and moist atmosphere using in situ ultra high vacuum (UHV) transmission electron microscopy (TEM), atomic force microscopy (AFM) and scanning electron microscopy (SEM). Cu20 islands were observed to grow 3-dimensionally into the Cu film as seen through the above mentioned techniques. Further, we discuss our interpretation of the experimental observations that presence of water vapor in the oxidizing atmosphere retards the rate of Cu oxidation and Cu20 shows surprising reduction when exposed to water vapor.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 648: Symposium P – Growth, Evolution & Properties of Surfaces, Thin Films, and Self Organized Structure , 2000 , P9.6
Copyright
Copyright © Materials Research Society 2001

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