نتایج جستجو برای: vicinal dihalides
تعداد نتایج: 1696 فیلتر نتایج به سال:
Under near-equilibrium growth or melt conditions, ice crystals in the melt are bounded by two parallel facets (basal planes or c-facets) and rounded surfaces between the facets. We observed such disk-shaped ice crystals perpendicularly to the c-axis in two and three dimensions, and found that the growth andmelt shapes are asymmetric. On imposition of a small driving force, a rounded crystal gre...
When a heteroepitaxial film is grown on a vicinal substrate, the terrace steps at the growth front may bunch together to relieve strain, resulting in a rough surface. On the other hand, proper manipulation of the growth kinetics may suppress the inherent bunching instability, thus preserving step-flow growth. Here we show that the step dynamics in the early stages of growth can already determin...
We demonstrate a self-selective metal adsorption and pattern transformation process on vicinal Si 111 surfaces. When Au atoms are deposited onto the self-organized periodic Si 111 surface patterns, the Au atoms self-select to adsorb predominantly onto one of the two distinct domains, the Si 111 terrace or the stepbunched facet at different Au coverage. This leads to a systematic transformation ...
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