Low-energy recoil scattering from hydrogen adsorbed on Ni (111)

被引：2

作者：

Umezawa, K ^{[1
]}

Ito, T ^{[1
]}

Nakanishi, S ^{[1
]}

机构：

[1] Univ Osaka Prefecture, Dept Mat Sci, Sakai, Osaka 5998531, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1998年 / 136卷

关键词：

hydrogen; nickel; low-energy recoil scattering;

D O I：

10.1016/S0168-583X(97)00803-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The technique of low-energy recoil scattering (LERS) is applied to detect hydrogen an a Ni (1 1 1) surface at 220 K. Recoiling spectra induced by pulsed 1 keV-Ne+ primary-ion beams were monitored as a function of polar and azimuth angles. It was found that the H atoms occupy both the fcc- and hcp-adsorption sites on the Ni (1 1 1) terraces at a height of apporximately 1.1-1.5 Angstrom above the plane of the first layer of Ni atoms. (C) 1998 Elsevier Science B.V.

引用

页码：1121 / 1124

页数：4

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