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Quantitative determination of molecular adsorption structures using photoelectron diffraction: The methoxy species
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UNSPECIFIED (1995) Quantitative determination of molecular adsorption structures using photoelectron diffraction: The methoxy species. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 75 . pp. 117-128. ISSN 0368-2048.
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Abstract
Photoelectron diffraction in the scanned-energy mode is now an accepted method in surface structural analysis. Here we demonstrate its use in the determination of the local adsorption geometry of the methoxy species CH3O- on a Ni(111) surface. The bonding site of the O atom at an ''fcc'' hollow site directly above a Ni atom in the third layer is obtained from the experimental data using direct methods, and the exact Ni-O spacing and degree of local substrate distortion, together with the molecular orientation, are found by the use of multiple scattering simulations. A re-analysis of earlier data obtained for the same species on Cu(111) confirms the results of this earlier study and has allowed an evaluation of possible subtle differences in the adsorbate-induced substrate distortion despite the occupation of the same adsorption site and very similar O-metal nearest neighbour distances.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0368-2048 | ||||
Official Date: | 15 December 1995 | ||||
Dates: |
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Volume: | 75 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 117-128 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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