Structure and mechanism of alkali-metal-induced reconstruction of fcc (110) surfaces
Authors:
- 15 December 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (17) , 9267-9270
Abstract
A comprehensive model for the interaction of alkali metals with fcc (110) metals is presented for the first time. It is based on a direct comparison of K on the unreconstructed Ni and the missing-row reconstructed Au(110) surfaces. Regardless of initial substrate structure, two processes may occur: nonactivated adlayer ordering or local, activated substrate reconstruction via island growth. Coverage-dependent electrostatic interactions determine the substrate structure. Low alkali-metal-atom coverages favor a corrugated, reconstructed substrate; high coverages favor a relatively flat, unreconstructed substrate.Keywords
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