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Surface structure and metal epitaxy: Ag/Cu(111)

Published online by Cambridge University Press:  17 March 2011

Kenji Umezawa ,
Shigemitsu Nakanishi  and
Walter M. Gibson
Kenji Umezawa
Affiliation:
Department of Materials Sciences, Osaka Prefecture University, 1-1 Gakuen-Cho, Sakai, Osaka 599-8531, Japan
Shigemitsu Nakanishi
Affiliation:
Department of Materials Sciences, Osaka Prefecture University, 1-1 Gakuen-Cho, Sakai, Osaka 599-8531, Japan
Walter M. Gibson
Affiliation:
Department of Physics, The University at Albany, SUNY, 1400 Washington Avenue, Albany, NY 12222, U.S.A.
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Abstract

We have investigated the growth of 3 ML (mono-layer) of Ag on Cu(111) for substrate temperatures from 170 through 640 K by using time of flight-impact collision ion scattering spectroscopy (TOF -ICISS). Two different types of epitaxial growth exist: Ag [112]//Cu[112](type-n) and Ag [112]//Cu[112] (type-r).The growth modes of the Ag thin films on Cu(111) surfaces depend strongly on the temperature during deposition with the Ag(111) planes having a preferred orientation of either type-n growth mode or type-r growth mode as a function of theCu substrate temperature. The experimental results concerning Ag/Cu(111) show many similarities to those in the previous study of Au/Ni(111). This would suggest that an observed oscillation in the growth mode, dependent on the substrate temperature during deposition may a general phenomenon on solid surfaces, in cases of large misfit since it has now been seen for both Au/Ni(111) and Ag/Cu(111) systems.

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 , P5.10
Copyright
Copyright © Materials Research Society 2001

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