Au with synchrotron radiationAuの自然酸化に関する光電子分光研究宗和 誠*; 山崎 大地*; 岡田 美智雄*; 吉越 章隆 
; 寺岡 有殿; 笠井 俊夫*
Sowa, 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.
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巻 |
: | 175 |
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: | 4 |
ページ数 |
: | p.43 - 47 |
発行年月 |
: | 2011/06 |
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: | no keyword |
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パーセンタイル：18.52 分野：Engineering, Electrical & Electronic |
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