Formation of hydrogen-induced vacancies during growth of the Fe layer studied by slow positron beam

被引：10
|
作者：
Takagi, K
Furukawa, N
Kanazawa, I
Suzuki, R
Ohdaira, T
机构：
[1] Tokyo Gakugei Univ, Dept Phys, Koganei, Tokyo 1848501, Japan
[2] Nalt Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
来源：
SURFACE SCIENCE | 2002年 / 514卷 / 1-3期
关键词：
molecular beam epitaxy; growth; positron-solid interactions; hydrogen atom; iron; surface defects; magnetic films; metallic films;
D O I：
10.1016/S0039-6028(02)01644-8
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：
The positron annihilation lifetimes by slow positron beam are measured in the thin Fe films, which are grown under the hydrogen pressures 5.0 x 10(-10) and 4.5 x 10(-7) Torr, in positron-incident energies 2 and 3 keV. We have suggested experimentally the presence of hydrogen-induced vacancies in thin Fe films. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：298 / 302
页数：5
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