Density-functional study of oxygen adsorption on Mo(112)

Details Density-functional study of oxygen adsorption on Mo(112) Density-functional study of oxygen adsorption on Mo(112)

2004-11-15

arxiv.org/abs/cond-mat/0411373v1

Journal of Chemical Physics 122, 044712 (2005)

Physics

Condensed Matter

Materials Science

6 pages, 6 postscript figures, RevTeX

Scientific paper

10.1063/1.1836755

Atomic oxygen adsorption on the Mo(112) surface has been investigated by means of first-principles total energy calculations. Among the variety of possible adsorption sites it was found that the bridge sites between two Mo atoms of the topmost row are favored for O adsorption at low and medium coverages. At about one monolayer coverage oxygen atoms prefer to adsorb in a quasi-threefold hollow sites coordinated by two first-layer Mo atoms and one second layer atom. The stability of a structural model for an oxygen-induced $p(2\times 3)$ reconstruction of the missing-row type is examined.

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