Abstract

In this study we investigated the effect of hydrogen adsorption onto Si(111) 3×3-Pb(α) surface by using time-of-flight impact-collision ion scattering spectroscopy. As a result, we found that (1)saturated adsorption of hydrogen onto Si(111) 3×3-Pb(α) surface transformed 2D Pb layer into very small Pb(111) crystallites grown epitaxially on the Si(111) substrates with the orientation of Pb(111)[011¯]//Si(111)[011¯] and (2) the thickness of Pb(111) cluster was 5 ˜ 6 atomic layers from the comparison of the experimental data with the computer simulations.

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