SURFACE PHONONS OF THE HYDROGEN-TERMINATED SI(111)(1X1) SURFACE

被引:72
作者
STUHLMANN, C
BOGDANYI, G
IBACH, H
机构
[1] Institut für Grenzflächenforschung und Vakuumphysik, Forschungzentrum J̈lich, D-5170 J̈lich
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 12期
关键词
D O I
10.1103/PhysRevB.45.6786
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
By use of high-resolution electron-energy-loss spectroscopy, the dispersion of the Si-H stretching and bending vibrations and of substrate phonons was measured for the Si(111)-H(1 x 1) surface, which was prepared by wet chemistry. The results were compared to two different theoretical calculations based on the bond-charge model and a force-constant model. None of the two models achieves a satisfactory quantitative description of the surface dynamics.
引用
收藏
页码:6786 / 6792
页数:7
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