Formation of the 5×5 reconstruction on cleaved Si(111) surfaces studied by scanning tunneling microscopy
- 15 September 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 42 (8) , 5391-5394
- https://doi.org/10.1103/physrevb.42.5391
Abstract
The transformation of cleaved Si(111)2×1 surfaces into apparent 1×1, 5×5, and 7×7 structures has been studied with the scanning tunneling microscope. Two reaction paths are identified, one proceeding through a disordered adatom arrangement into the 7×7 structure, and the other proceeding directly from 2×1 into the 5×5 structure. Near a nucleation site (step or domain boundary), the first path is favored due to the abundance of adatoms on the surface, and far from a nucleation site the second path dominates.Keywords
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