Au with synchrotron radiationSowa, Makoto*; Yamazaki, Daichi*; Okada, Michio*; Yoshigoe, Akitaka 
; Teraoka, Yuden; Kasai, Toshio*
Native oxide at CuAu(110) surface has been studied by high energy-resolution X-ray photoemission spectroscopy with synchrotron radiation. The clean surface of CuAu(110) is terminated by Au and Cu atoms with equal contents. After oxidation in the air, Cu atoms segregated on the surface and the Cu-oxide was formed. In other words, Au atoms moved into the bulk. Au atoms below the oxide prevented the O atom diffusion into the bulk. Surface index dependences of natural oxidation suggested in every cases that the diffusion of Cu atoms contributed to the oxide formation.
Language |
: | Japanese |
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Volume |
: | 129 |
Number |
: | 2 |
Pages |
: | p.229 - 232 |
Publication Year/Month |
: | 2009/02 |
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Keywords |
: | no keyword |
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