Adsorbed hydrogens and their behavior on Ni(111) surface studied by slow-positron beam

被引:1
|
作者
Kanazawa, I.
Oishi, Y.
Hirota, K.
Fukutani, K.
Nozawa, K.
Komori, F.
机构
[1] Tokyo Gakugei Univ, Dept Phys, Koganei, Tokyo 1840015, Japan
[2] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
关键词
adsorbed hydrogen; Ni surface; reemitted slow positrons;
D O I
10.1002/sia.2438
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Reemitted slow positrons from the clean Ni(111) surface and the hydrogen-saturated Ni(111) surface were measured. We suggest that the disordered hydrogen adsorbed structure of the beta 1 phase contains vacancy-type defects, and that the number of these defects will grow with time in the case of hydrogen-saturated Ni(111) surface at 180 K. Copyright (C) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码:1675 / 1678
页数:4
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