Abstract

The effect of low coverage adsorption of oxygen on ruthenium surfaces at low temperatures in the FIM is comparable with results already reported for tungsten under similar conditions, namely that most extensive corrosion can be correlated with the presence of deep adsorption sites in the proximity of low coordination surface metal atoms. Such experiments have also permitted of the correct assignment of structures to the bright and dim sequence of planes observed on field ion micrographs at certain poles and which are the result of the ABAB… stacking arrangement of hexagonal metals.

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