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Breakdown of atomic superposition for the helium scattering potential of oxygen on nickel (001)

Godby, R.W. and Garcia, N. (1985) Breakdown of atomic superposition for the helium scattering potential of oxygen on nickel (001). Surface Science, 163 (2-3). L681-L687. ISSN 0039-6028

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Abstract

Self-consistent calculations of the charge density of the c(2×2) phase of oxygen on nickel (001) (i) give a helium scattering potential which in excellent agreement with the shape, height and width of that obtained by Rieder by fitting his atom-surface scattering data: (ii) justify th use of a hard-wall fit because of a 4.2 Å−1 averrage softness parameter; and (iii) rule out superposition of atomic or ionic charge densities for this and similar systems.

Item Type: Article
Copyright, Publisher and Additional Information: © 1985 Elsevier.
Academic Units: The University of York > Physics (York)
Depositing User: Physics Import
Date Deposited: 09 Oct 2008 12:36
Last Modified: 05 Oct 2010 13:59
Published Version: http://dx.doi.org/10.1016/0039-6028(85)91046-5
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/0039-6028(85)91046-5
URI: http://eprints.whiterose.ac.uk/id/eprint/3960

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