The atomic structure of the cleaved Si(111)-(2x1) surface refined by dynamical LEED
Description:
New or modified models have been proposed for the much-studied Si(111)-(2x1) surface structure, including: a reverse-tilted p-bonded chain model (by Zitzlsperger et al); a three-bond scission model (by Haneman et al); and a p-bonded chain model with enhanced vibrations (present work). These models are compared here to the generally accepted modified p-bonded chain model (by Himpsel et al, 1984), by analyzing low-energy electron diffraction (LEED) I-V curves measured earlier. Using the efficient…
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Date:
March 1, 2004
Creator:
Xu, Geng; Deng, Bingcheng; Yu, Zhaoxian; Tong, S.Y.; Van Hove, M.A.; Jona, F. et al.
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