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

页码：298 / 302

页数：5

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