Theory of alkali-metal-induced reconstructions of fcc(100) surfaces

Ole Bøssing Christensen, Karsten Wedel Jacobsen

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Calculations of missing-row reconstruction energies of the fcc(100) surfaces of the metals Al, Ni, Pd, Pt, Cu, Ag, and Au have been performed with the effective-medium theory with and without the presence of a potassium overlayer. It is shown that the tendency to reconstruct in the presence of adsorbed K is largest for Ag. This is in accordance with recent experiments indicating a potassium-induced missing-row reconstruction for Ag, but not for other metals. The tendency is shown to be related to the relatively low bulk modulus of silver. Differences from the well-known alkali-metal-induced reconstruction of fcc(110) surfaces are pointed out.
Original languageEnglish
JournalPhysical Review B
Issue number12
Pages (from-to)6893-6898
Publication statusPublished - 1992

Bibliographical note

Copyright (1992) by the American Physical Society.


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