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Title: Surface enhanced Raman scattering of silver sensitized cobalt nanoparticles in metal-dielectric nanocomposites
Authors: Margueritat, J., Gonzalo de los Reyes, José, Afonso, Carmen N., Hörmann, U., Van Tendeloo, G., Mlayah, A., Murray, D. B., Saviot, L.., Zhou, Y., Hong, M.H., Luk'yanchuk, B.S.
Issue Date: 2008
Publisher: Institute of Physics Publishing
Abstract: We report the preparation of a new type of nanocomposite containing cobalt and silver nanoparticles organized in parallel layers with a well controlled separation. This arrangement allows the observation of an enhanced low-frequency Raman signal at the vibration frequency of cobalt nanoparticles excited through the surface plasmons of silver nanoparticles. Numerical simulations of the electric field confirm the emergence of hot spots when the separation between silver and cobalt nanoparticles is small enough. © IOP Publishing Ltd.
Identifiers: doi: 10.1088/0957-4484/19/37/375701
issn: 0957-4484
Citation: Nanotechnology 19: 375701 (2008)
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