Abstract
Strong dependence of surface residence time of a planar organic molecule (hydrogen phthalocyanine) on vicinal surfaces of hydrogen-terminated Si(111) was observed in pulsed molecular beam scattering experiments. These results can be explained by the difference in the microscopic contact area of the molecules on the surface, which determines the binding force between the migrating molecules and the surface. The relationship between the observed behavior and the organic thin film growth is discussed.
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