Dynamics of adsorption on covered surfaces

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Abstract
A previous model for the interaction of a diatomic molecule with a solid surface is extended to allow the treatment of three atoms interacting with the solid. The effect of an adsorbed atom on the diatom–solid surface potential is examined. The dynamics of adsorption of a hydrogen molecule in the presence of an adsorbed hydrogen atom is studied. For the potential function used, the dissociative sticking probability of the incident molecule decreases for closer collisions with the adsorbed atom.