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Low energy electron diffraction structure determination of the Ni(110)c(2 x 2)-CN surface phase
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UNSPECIFIED (2003) Low energy electron diffraction structure determination of the Ni(110)c(2 x 2)-CN surface phase. Surface Science, 526 (1-2). pp. 33-43. doi:10.1016/S0039-6028(02)02676-6 ISSN 0039-6028.
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Official URL: http://dx.doi.org/10.1016/S0039-6028(02)02676-6
Abstract
The structure of the Ni(1 1 0)c(2 x 2)-CN surface phase has been determined by quantitative low energy electron diffraction (LEED). Contrary to earlier suggestions that relatively intense fractional order LEED beams imply that adsorbate-induced Ni surface reconstruction occurs, the results confirm previous findings by scanned-energy mode photoelectron diffraction and medium energy ion scattering that no significant reconstruction occurs. The C-N axis is oriented along an open-packed (100) azimuth, with the molecule lying above a second layer Ni atom; the intramolecular axis is tilted by 23.7 +/- 4.5degrees relative to the surface plane. The adsorption does lead to a substantial (9 +/- 4%) outward relaxation of the outermost Ni layer spacing and small distortions of the outermost layers of the Ni substrate. (C) 2002 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: | 20 February 2003 | ||||
Dates: |
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Volume: | 526 | ||||
Number: | 1-2 | ||||
Number of Pages: | 11 | ||||
Page Range: | pp. 33-43 | ||||
DOI: | 10.1016/S0039-6028(02)02676-6 | ||||
Publication Status: | Published |
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