Abstract
When antimony is adsorbed at submonolayer coverage on a cleaved Ge(111) surface, the clean (2 × 1) surface transforms to a (1 × 1) structure. A dynamical low energy electron diffraction (LEED) intensity anlysis was performed to study this system. The results suggest that Sb adatoms replace the outermost Ge atoms, resulting in a well-ordered bulk-like (1 × 1) surface. This system, like that of a Sb overlayer on Si(111) surfaces, demonstrates that adatoms can remove a surface reconstruction.
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