An overlayer is a layer of adatoms adsorbed onto a surface, for instance onto the surface of a single crystal. == On single crystals == Adsorbed species on single crystal surfaces are frequently found to exhibit long-range ordering; that is to say that the adsorbed species form a well-defined overlayer structure.
An overlayer is a layer of adatoms adsorbed onto a surface, for instance onto the surface of a single crystal. == On single crystals == Adsorbed species on single crystal surfaces are frequently found to exhibit long-range ordering; that is to say that the adsorbed species form a well-defined overlayer structure.
Source: Wikipedia "Overlayer" · CC BY-SA 4.0
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