Surface enhanced Raman scattering arising from multipolar plasmon excitation |
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| Authors: | Laurent G Félidj N Aubard J Lévi G Krenn J R Hohenau A Schider G Leitner A Aussenegg F R |
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| Institution: | Laboratoire ITODYS, Université Paris 7-Denis Diderot, CNRS UMR 7086, 1 rue Guy de la Brosse, F-75005 Paris, France. |
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| Abstract: | Visible and near infrared extinction spectra of gold nanorod regular arrays exhibit several bands assigned to high multipolar order plasmon resonances. These up to ninth order multipolar resonances generate surface enhanced Raman scattering spectra with typically 5 x 10(4) enhancement which is of similar magnitude as those obtained for dipolar excitations. |
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