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The adsorption of submonolayer aniline on the Ag(111) surface has been characterized using temperature programmed desorption (TPD) and electron energy loss spectroscopy (EELS). Analysis of the TPD curves yielded a desorption energy of 74kJ/mol and revealed repulsive inter-adsorbate interactions resulting from a local dipole moment of 4.3D at the adsorbate–substrate complex. This dipole moment arises...
Second harmonic generation from a Ag(110) surface, resonantly enhanced by the surface state transition at 1.74 eV, is found to be greatly affected by submonolayer adsorption. The physisorption of water or methanol causes a monotonic, exponential-like decay of the SH intensity that can be described by a model treating the adsorbate as a delocalized, weak perturbation in the resonantly enhanced SHG...
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