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The azimuthal dependent oxidation process on Cu(110) by energetic oxygen molecules |
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| Authors: | K. Moritani M. Okada T. Fukuyama Y. Teraoka A. Yoshigoe T. Kasai |
| Affiliation: | (1) Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute, 1-1-1 Kouto, Mikazuki, Sayo, Hyogo 679-5148, Japan;(2) Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan |
| Abstract: | We report a study on the oxidation process induced by a hyperthermal oxygen molecular beam (HOMB) on Cu(110) using X-ray photoemission spectroscopy in conjunction with a synchrotron radiation source. The oxidation process induced by energetic O2 beams on Cu(110), depending on the azimuthal angle of incidence, suggests that the –Cu–O– added row structure has a role in inhibiting adsorption as a steric obstacle for incident O2 molecules. |
| Keywords: | 68.43.Fg Adsorbate structure (binding sites, geometry) 68.43.Jk Diffusion of adsorbates, kinetics of coarsening and aggregation 68.47.De Metallic surfaces 68.49.Uv X-ray standing waves |
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