O formation via hyperthermal O adsorption at Cu(410)Okada, Michio*; Vattuone, L.*; Gerbi, A.*; Savio, L.*; Rocca, M.*; Moritani, Kosuke*; Teraoka, Yuden; Kasai, Toshio*
We report a study on the oxidation process of Cu(410) using high-resolution electron energy loss spectroscopy and X-ray photoemission spectroscopy using synchrotron radiation. We demonstrate that a hyperthermal O molecular beam (HOMB) is an efficient tool to fabricate CuO thin film also at room temperature. The efficiency of the CuO formation in the initial stages depends on the angle of incidence of HOMB. Step roughening, acting as a source of mobile precursor Cu adatoms and opening channels for bulk diffusion of the O atoms, is a key feature in determining the CuO formation rate.
Language |
: | English |
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Volume |
: | 111 |
Number |
: | 46 |
Pages |
: | p.17340 - 17345 |
Publication Year/Month |
: | 2007/11 |
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Keywords |
: | no keyword |
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Percentile:50.99 Category:Chemistry, Physical |
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