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A medium-energy ion scattering investigation of the structure and surface vibrations of two-dimensional YSi2 grown on Si(111)

Wood, T.J., Bonet, C., Noakes, T.C.Q., Bailey, Paul and Tear, S.P. (2005) A medium-energy ion scattering investigation of the structure and surface vibrations of two-dimensional YSi2 grown on Si(111). Surface Science, 598 (1-3). pp. 120-127. ISSN 0039-6028

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Abstract

Medium-energy ion scattering has been used to determine the atomic structure of two-dimensional yttrium silicide on silicon (1 1 1). A full quantitative analysis of the atomic positions of the Si atoms in the top bilayer yields a model similar to that previously suggested in the literature with a Si1–Si2 vertical spacing of 0.80 ± 0.03 Å, but with the Si bilayer relaxed slightly further away from the Y layer (Si2–Y vertical spacing of 1.89 ± 0.02 Å). Observing the effects of the top bilayer vibrations yields a model with significant enhancements

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 12 Sep 2012 12:06
Last Modified: 12 Sep 2012 12:06
URI: http://eprints.hud.ac.uk/id/eprint/14857

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