Adsorbate Interactions, Mobility and Residence Times

What became evident was that interactions between adsorbed particles can also exert an influence on their surface mobility and therefore the residence time at a particular site. The mean residence time of an isolated oxygen adatom at the Ru(0001) surface varies from 60 to 220 ms when a second oxygen adatom is located two lattice constants a0 apart from the first but only 13 ms when the 

It was real-time XPS studies of oxygen chemisorption at magnesium, aluminium and copper that drew attention to the possible role of oxygen transients 

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