Visualization of the reconstruction of a silver film on silicon
I. I. ProninA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgN. S. FaradzhevA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgM. V. GomoyunovaA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg
ABI
Abstract
In this investigation the focusing of medium-energy electrons is used to visualize the thermally activated reconstruction of a thin film of silver (6 monolayers) deposited on a Si(111) 7×7 surface at room temperature. It is shown that the initial unannealed film consists of Ag(111) domains of two types, mutually misoriented in azimuth by 180°. When the sample is heated to 350–400°C, the film recrystallizes and a single-domain epitaxial layer of Ag(111) is formed.
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