Optical second-harmonic generation from a monolayer of centrosymmetric molecules adsorbed on silver |
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| Authors: | TF Heinz CK Chen D Ricard YR Shen |
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| Institution: | 1. Physics Department, University of California, Berkeley, California 94720, USA;2. Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720, USA |
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| Abstract: | An increase in the optical second-harmonic signal arising from an electrochemically treated silver surface upon adsorption of a monolayer of the centrosymmetric molecule pyrazine is reported and an effective second-order non-linear polariz-ability for the adsorbed species deduced. These investigations illustrate the potential of second-harmonic generation in the elucidation of interfaces. |
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