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We used a scanning photoemission microscope to study with submicron spatial resolution the different phases present at(Ag + Au)/Si interfaces. By changing Ag and Au deposition sequence, coverages and annealing temperature, we were able to identify the driving mechanisms of the evolution of this model bimetal/semiconductor junction.
An extensive evaluation of the electronic structure of the Ag(110)/C 60 interface is reported as a function of the overlayer coverage. Submonolayer coverages are characterized by a strong chemical adlayer-substrate interaction which causes a significant re-distribution of the π-symmetry occupied and π * - and σ * -symmetry unfilled molecular states local to the C sites...
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