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Structure determination of ammonia on Cu(110) - a low-symmetry adsorption site
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UNSPECIFIED (1997) Structure determination of ammonia on Cu(110) - a low-symmetry adsorption site. Surface Science, 387 (1-3). pp. 152-159.
Research output not available from this repository, contact author.Abstract
The local adsorption structure of ammonia on Cu(110) has been determined in a quantitative fashion using N 1 s scanned-energy mode photoelectron diffraction. While inversion of the photoelectron diffraction spectra using a direct method indicates that the adsorbed NH, molecules are near to atop sites, a fuller multiple scattering analysis shows that the molecule is actually displaced 0.37 Angstrom off the atop site in a [100] azimuth. The result is ascribed to adsorbate-adsorbate interactions (steric hindrance) similar to those found in (2 x 1)-CO (pmg) structures seen on several fee (110) surfaces, although in the case of ammonia, it occurs at coverages well below saturation, implying that adsorbate-adsorbate attraction also occurs. These general conclusions are entirely consistent with those of a recent ESDIAD study of this system. (C) 1997 Elsevier Science B.V.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
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| Journal or Publication Title: | Surface Science | ||||
| Publisher: | ELSEVIER SCIENCE BV | ||||
| ISSN: | 0039-6028 | ||||
| Official Date: | 8 October 1997 | ||||
| Dates: |
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| Volume: | 387 | ||||
| Number: | 1-3 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 152-159 | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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