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Adsorption of Sb on a misoriented Si(111) surface is investigated by thermodesorption Auger spectroscopy. The spectra reveal that, in the submonolayer range, new adsorption states appear for the vicinal surface which do not exist for the nominal one. Quenched molecular-dynamics simulations, in which Si and Sb are modeled by many-body tight-binding potentials, allow us to interpret these new states...
We report on the structure of Si films grown by molecular beam epitaxy on highly misoriented Si(111) surfaces and on the influence of Sb on this growth. Although the equilibrium morphology of these surfaces is a mixture of single and triple height steps, one observes for temperatures lower than the 1 1 to 7 7 transition one, by LEED, AFM and HRTEM, that the MBE growth gives rise to an important...
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