The atomic structure of the Si(111) (2√3 X 2√3) R30°-Sn reconstruction
1996
We have studied the atomic structure of the (2√3 X 2√3)R30° reconstruction induced by adsorption of about 1.1 monolayers of Sn on Si(111) using surface X-ray diffraction (SXRD) and scanning tunnelling microscopy (STM). The experimentally obtained structure factors in SXRD are in contradiction with existing models in the literature and we conclude the need for a new surface atomic structure model. We have been able to determine a number of properties of an appropriate surface model to allow a better fit to the experimental structure factors.
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