Oxygen on Ni(111): A multiple-scattering analysis of the near-edge x-ray-absorption fine structure
Authors:
- 15 April 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 41 (11) , 7462-7466
Abstract
Oxygen chemisorption and oxide formation on a Ni(111) surface have been monitored by using the near-edge x-ray-absorption fine-structure technique. The adsorption site of oxygen in the p(2×2) and (√3 × √3 )R30° superstructures has been determined by a multiple-scattering analysis. In both structures the oxygen occupies a threefold-coordinated fcc site with a nearest-neighbor O-Ni bond length of 1.85±0.05 Å on a Ni(111) surface relaxed outwards by ∼0.15 Å.Keywords
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