Electron-ion coincidence spectroscopy as a new tool for surface analysis an application to the ice surface

被引：0

作者：

Tanaka, Shin-Ichiro ^{[1
,3
]}

Mase, Kazuhiko ^{[1
,4
]}

Nagasono, Mitsuru ^{[1
,5
]}

Nagaoka, Shin-Ichi ^{[1
]}

Kamada, Masao ^{[1
]}

Ikenaga, Eiji ^{[2
]}

Sekitani, Tetsuji ^{[2
]}

Tanaka, Ken-Ichiro ^{[2
]}

机构：

[1] Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan

[2] Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima 739-8526, Japan

[3] Department of Physics, Graduate School of Science, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8602, Japan

[4] Inst. of Material Structure Science, High Ener. Accel. Res. Organization, Tsukuha 305-0801, Japan

[5] MAX-lab, Lund University, Box 118, S-221 00 Lund, Sweden

来源：

| 1600年 / JJAP, Tokyo, Japan卷 / 39期

关键词：

Core analysis - Desorption - Electric excitation - Electron spectroscopy - Hydrogen - Ice - Ions - Kinetic energy - Oxygen - X ray photoelectron spectroscopy;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Electron-ion coincidence (EICO) spectroscopy has recently been developed to investigate the process of ion desorption induced by the core level excitation. In the present study, we apply EICO spectroscopy to determine the O1s level of condensed H2 (ice) at 100 K. The kinetic energy of O1s photoelectrons which gives the highest coincidence yield of H+ desorption is shifted by about -0.7 eV compared to the O1s peak observed in the conventional core-level photoelectron spectroscopy. It is ascribed to a core-level shift in the O1s level from which hydrogen ions desorb. The results indicate the advantages and the possibilities of the EICO spectroscopy for surface analysis.

引用

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