X-ray photoemission study of the temperature-dependent CuO formation on Cu(410) using an energetic O{sub 2} molecular beam
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043 (Japan)
- Dipartimento di Fisica and CNISM Unita di Genova, Universita di Genova, Via Dodecaneso 33, 16146 Genova (Italy)
- Synchrotron Radiation Research Center, Japan Atomic Energy Agency, 1-1-1 Kouto, Mikazuki, Sayo, Hyogo 679-5148 (Japan)
- IMEM-CNR and Dipartimento di Fisica, Universita di Genova, Via Dodecaneso 33, 16146 Genova (Italy)
We studied the oxidation of Cu(410) using x-ray photoemission spectroscopy performed with synchrotron radiation. We demonstrate that a hyperthermal O{sub 2} molecular beam is an efficient tool to fabricate Cu oxide thin films at room temperature (RT) and even lower temperatures. At RT, mainly Cu{sub 2}O forms. At T{approx}100 K, CuO nucleation also takes place; this is noteworthy, since this moiety is usually produced only at much higher T and ambient pressure.
- OSTI ID:
- 20951540
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Vol. 75, Issue 23; Other Information: DOI: 10.1103/PhysRevB.75.233413; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- English
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