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Photoelectron diffraction structure determination of Cu(100)c(2 x 2)-N
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UNSPECIFIED (2001) Photoelectron diffraction structure determination of Cu(100)c(2 x 2)-N. Surface Science, 492 (1-2). pp. 1-10. ISSN 0039-6028.
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Abstract
Using scanned-energy mode photoelectron diffraction of the N 1s photoemission, combined with multiple scattering modelling calculations, the structure of the Cu(1 0 0)c(2 x 2)-N has been investigated. While the results are broadly consistent with N adsorption in a fourfold coordinated hollow site, almost coplanar with the outermost layer, this model can only be fitted to the data with unphysically large vibrational amplitudes, strongly suggesting that some static adsorbate-induced substrate distortion is involved. The best-fit structure involves an unusual symmetry-lowering large amplitude (0.34 Angstrom) rumpling of the outermost Cu layer. This result is entirely consistent with the results of a recent scanning tunnelling microscopy study of this surface. (C) 2001 Elsevier Science B.V. All rights reserved.
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: | 10 October 2001 | ||||
Dates: |
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Volume: | 492 | ||||
Number: | 1-2 | ||||
Number of Pages: | 10 | ||||
Page Range: | pp. 1-10 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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