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2001 Chinese Phys. Lett. 18 181-183 doi: 10.1088/0256-307X/18/2/309
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Abstract. The reconstruction process of the Si(111) (3)1/2×(3)1/2 R30°-Ag surface is studied by using a scanning tunnelling microscope at 78 K. By applying a strong interaction between the tip and the surface, a tip-induced reconstruction corresponding to the mergence of two Si(111) (3)1/2×(3)1/2 R30°-Ag domains is observed. Based on the inequivalent trimers (IET) model, this reconstruction process is attributed to a transition between the clockwise and counterclockwise IET domains. With this transition, the honeycomb-chained-trimer Si(111) (3)1/2×(3)1/2 R30°-Ag anti-phase boundary disappears and changes to the IET structure.
PACS numbers: 07.79.Cz, 68.35.Bs, 68.55.Jk
Print publication: Issue 2 (February 2001) |
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