Structure analysis of a graphitic boron layer at the TaB2(0001) surface

被引：40
|
作者：
Kawanowa, H
Souda, R
Otani, S
Gotoh, Y
机构：
[1] Natl Inst Res Inorgan Mat, Ibaraki 3050044, Japan
[2] Sci Univ Tokyo, Dept Mat Sci & Technol, Chiba 2788510, Japan
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.81.2264
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The structure of the TaB2(0001) surface has been investigated by using impact-collision Li+ ion-scattering spectroscopy and three-dimensional three-atom computer simulation. We found for the first time that a graphitic boron layer is formed on the TaB2(0001) surface and that the scattered Li+ ion loses significant energy due to electronic excitation when the Li+ ion passes through the graphitic boron layer. The electronic stopping power is qualitatively explicable by the impact-parameter approximation proposed by Firsov.
引用
收藏
页码：2264 / 2267
页数：4
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