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A surface X-ray diffraction study of the Rh(100) (2x2)-O reconstruction

Norris, A.G., Schedin, F., Thornton, G., Dhanak, V.R., Turner, Tracy and McGrath, R. (2000) A surface X-ray diffraction study of the Rh(100) (2x2)-O reconstruction. Physical Review B, 62 (3). pp. 2113-2117. ISSN 1098-0121

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The 0.5 ML oxygen-induced reconstruction of the Rh(100) surface has been investigated using surface x-ray diffraction. The rhodium atoms in the surface layer adopt a “clock” reconstruction with an in-plane displacement of the surface-layer Rh atoms of dRhxy=0.19±0.02 Å. The oxygen atoms were found to be situated in the “diamond” site rather than the rotated fourfold hollow site, with an in-plane displacement of 0.20±0.05 Å on either side of the center. This work supports the conclusions of recent density-functional theory and low-energy-electron-diffraction work.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: Research and Enterprise Directorate
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Depositing User: Rosemary Wood
Date Deposited: 27 Mar 2014 16:04
Last Modified: 28 Aug 2021 11:35


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