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Growth of thin Pb Layers on Cu(001)*

Published online by Cambridge University Press:  25 February 2011

R. J. Culbertson ,
Y. Kuk  and
L. C. Feldman
R. J. Culbertson
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
Y. Kuk
Affiliation:
AT & T Bell Laboratories, Murray Hill, NJ 07974
L. C. Feldman
Affiliation:
AT & T Bell Laboratories, Murray Hill, NJ 07974
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Abstract

The growth of thin Pb layers (<12 monolayers) was studied in ultrahigh vacuum by high energy ion scattering/channeling, low energy electron diffraction (LEED)), and Auger electron spectroscopy (AES). Deposition and analysis were performed at 300 K and 140 K. The Pb coverage was determined quantitatively by ion scattering. The results indicated a clear transition in the growth mode as a function of temperature. At 300 K, two-dimensional island growth was observed up to 1.0 monolayer, followed by three-dimensional epitaxial growth of strained islands. Two-dimensional island growth was observed up to 5 monolayers at 140 K. The relative positions of the overlayer atoms relative to the substrate was studied to understand two-dimensional phase transitions above room temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 41: Symposium K – Advanced Photon and Particle Techniques for the Characterization of Defects in Solids , 1984 , 187
Copyright
Copyright © Materials Research Society 1985

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Footnotes

*

Research sponsored in part by the Division of Materials Sciences, USDOE contract DE-ACO5-840R21400 with Martin Marietta Energy Systems, Inc.

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