Structural Analysis of Crystal Surfaces by Reflection High-Energy Electron Diffraction Patterns: The Si(111)7*7 Surface
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Energy filtered reflection high-energy electron diffraction (RHEED) patterns are analyzed for the Si(111)7×7 surface using full dynamical calculation. Calculated RHEED patterns of the Si (111)7×7 are not in agreement with measured ones for various surface atomic positions. Especially the calculated intensity ratio of the (1/7 1/7) and the (2/7 2/7) rods is very small in comparison with measured one. The discrepancy between measured and calculated RHEED patterns is not recovered for the filtered RHEED patterns using the theoretical real and imaginary potentials. It is found that the RHEED intensity ratio of the (1/7 1/7) and the (2/7 2/7) rods depends strongly upon adatom potentials. [DOI: 10.1380/ejssnt.2008.87]
- 公益社団法人 日本表面科学会の論文
公益社団法人 日本表面科学会 | 論文
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