Au with synchrotron radiationSowa, Makoto*; Yamazaki, Daichi*; Okada, Michio*; Yoshigoe, Akitaka 
; Teraoka, Yuden; Kasai, Toshio*
We report the results of a study of the natural oxidation of CuAu(110) with high-resolution X-ray photoemission spectroscopy in conjunction with synchrotron radiation. The clean surface of CuAu(110) is terminated with 50% Au and 50% Cu atoms. After natural oxidation in the air, Cu atoms segregate on the surface and produce Cu-oxide. As a result, Au atoms move into the bulk. Au atoms below the oxide reduce the diffusion of O atoms farther into bulk and limit the oxide thickness. The face dependence of natural oxidation indicates that the diffusion of Cu atoms also contributes to oxide formation.
Language |
: | English |
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Volume |
: | 175 |
Number |
: | 4 |
Pages |
: | p.43 - 47 |
Publication Year/Month |
: | 2011/06 |
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Keywords |
: | no keyword |
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Percentile:18.52 Category:Engineering, Electrical & Electronic |
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