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STRUCTURAL DETERMINATION OF A MOLECULAR ADSORBATE BY PHOTOELECTRON DIFFRACTION - AMMONIA ON NI(111)
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UNSPECIFIED (1992) STRUCTURAL DETERMINATION OF A MOLECULAR ADSORBATE BY PHOTOELECTRON DIFFRACTION - AMMONIA ON NI(111). PHYSICAL REVIEW B, 46 (8). pp. 4836-4843. ISSN 0163-1829.
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Abstract
The adsorption of ammonia (NH3) on the Ni{111} surface has been investigated by photoelectron diffraction. To determine the adsorption site and the distance above the Ni{111} surface, photoelectron diffraction spectra of the N 1s core level were recorded in the scanned energy mode for normal and two off-normal emission directions and compared with extensive multiple-scattering calculations. The best agreement and the lowest R factor were found for an atop site and a Ni-N bond length of 1.97 angstrom. The anisotropic vibrations of the emitter have been taken into account in the theory and the mean-square displacement for the vibrations of the ammonia molecule parallel to the surface was determined to be 0.04 angstrom2.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0163-1829 | ||||
Official Date: | 15 August 1992 | ||||
Dates: |
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Volume: | 46 | ||||
Number: | 8 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 4836-4843 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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