THE EFFECT OF THE SURFACE ON THERMAL DIFFUSE INTENSITIES IN REFLECTION HIGH-ENERGY ELECTRON-DIFFRACTION

被引:21
作者
DUDAREV, SL [1 ]
PENG, LM [1 ]
WHELAN, MJ [1 ]
机构
[1] MOSCOW ENGN PHYS INST,DEPT THEORET PHYS,MOSCOW 115409,RUSSIA
来源
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 1993年 / 440卷 / 1910期
关键词
D O I
10.1098/rspa.1993.0034
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The contributions of bulk and surface vibrational excitations to thermal diffuse scattering (TDS) in reflection high energy electron diffraction (RHEED) patterns are investigated. It is shown that the surface phonon contribution to the differential cross-section for TDS is comparable to that from bulk phonons. Many-beam dynamical TDS RHEED calculations are presented, and both the positions and heights of diffuse peaks are shown to differ appreciably from predictions of kinematical TDS RHEED theory
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页码:567 / 588
页数:22
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