Photoemission study on natural oxidation of Cu3Au with synchrotron radiation

被引：0

作者：

Souwa, Makoto ^{[1
]}

Yamazaki, Daichi ^{[1
]}

Okada, Michio ^{[2
]}

Yoshigoe, Akitaka ^{[3
]}

Teraoka, Yuden ^{[3
]}

Kasai, Toshio ^{[1
]}

机构：

[1] Department of Chemisty, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043

[2] Renovation Center of Instruments for Science Education and Technology, Osaka University, Toyonaka, Osaka 560-0043

[3] Synchrotron Radiation Research Center, JAEA, Sayo-cho, Sayo, Hyogo 679-5148

来源：

IEEJ Transactions on Electronics, Information and Systems | 2009年 / 129卷 / 02期

关键词：

Natural oxidation; Synchrotron radiation; X-ray photoemission spectroscopy;

D O I：

10.1541/ieejeiss.129.229

中图分类号：

学科分类号：

摘要：

We report results of the study on natural oxidation of Cu 3Au(110) with high-resolution x-ray photoemission spectroscopy in conjunction with synchrotron radiation. The clean surface of Cu 3Au(110) is terminated with 50% Au and 50% Cu atoms. After the natural oxidation in the air, Cu atoms segregate on the surface and produces the Cu-oxide. As a result, Au atoms move to the bulk. Au atoms below the oxide reduce the diffusion of 0 atoms further into bulk and limit the oxide thickness. From the face dependence of natural oxidation, the diffusion of Cu atoms also contribute to the oxide formation. © 2009 The Institute of Electrical Engineers of Japan.

引用

页码：229 / 232+3

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