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Bond lengths and bond strengths in weak and strong chemisorption: N-2, CO, and CO/H on nickel surfaces
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UNSPECIFIED. (2003) Bond lengths and bond strengths in weak and strong chemisorption: N-2, CO, and CO/H on nickel surfaces. PHYSICAL REVIEW LETTERS, 90 (11). -. ISSN 0031-9007
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.90.116104
Abstract
New chemical-state-specific scanned-energy mode photoelectron diffraction experiments and density functional theory calculations, applied to CO, CO/H, and N-2 adsorption on Ni(100), show that chemisorption bond length changes associated with large changes in bond strength are small, but those associated with changes in bond order are much larger, and are similar to those found in molecular systems. Specifically, halving the bond strength of atop CO to Ni increases the Ni-C distance by 0.06 Angstrom, but halving the bond order (atop to bridge site) at fixed bond strength causes an increase of 0.16 Angstrom.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW LETTERS |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 0031-9007 |
| Date: | 21 March 2003 |
| Volume: | 90 |
| Number: | 11 |
| Number of Pages: | 4 |
| Page Range: | - |
| Identification Number: | 10.1103/PhysRevLett.90.116104 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/9888 |
Data sourced from Thomson Reuters' Web of Knowledge
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