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Formate-induced destabilization of the Cu(1 1 0) surface |
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| Authors: | S.J. Harrington D.-M. Zhu F.M. Leibsle |
| Affiliation: | a Department of Physics, University of Missouri at Kansas City, 5110 Rockhill Road, Kansas City MO 64110-2499, United States b Department of Chemistry, University of Missouri at Kansas City, 5110 Rockhill Road, Kansas City MO 64110, United States |
| Abstract: | Scanning tunneling microscopy (STM) images show that adsorbed formate has a profound affect on the step edges of Cu(1 1 0) surfaces at room temperature. For low exposures, the presence of formate enhances step fluctuations as confirmed by a correlation function analysis. For formate coverages approaching 0.5 monolayers, drastic restructuring of step edges is observed. Quantum chemical calculations help to explain this behavior. |
| Keywords: | Scanning tunneling microscopy Copper Formate Surface chemical reactions Surface roughening Semiempirical calculations |
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