Comparison of the 3×1 reconstructions of the Si(111) surface induced by Li and Ag
- 15 November 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 46 (20), 13635-13638
- https://doi.org/10.1103/physrevb.46.13635
Abstract
The 3×1 surface reconstruction of the Si(111) surface induced by adsorption of Li is studied with scanning tunneling microscopy (STM). Both filled- and empty-state STM images show arrays of atomic scale features with a 3×1 periodicity, but with different distributions of maxima within the unit cell. There are strong similarities with images of the Ag-induced 3×1 structure. STM images from both systems are compared with each other and discussed in terms of recent proposals that the metal atoms do not participate directly in the 3×1 long-range order.Keywords
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