Surface Enhanced Raman Scattering by Metal Spheres.I.Cluster Effect
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概要
- 論文の詳細を見る
An electromagnetic theory for the light absorption by a cluster of metal spheresand the Raman scattering by a molecule adsorbed on it is presented, which takesinto account the retardation effect exactly and is applicable to an arbitrary clustersize. The theory is applied to a two-sphere cluster of Ag and Au. It is shownthat the absorption spectrum is doubly peaked and the maximum enhancementfactor of the Raman intensity amounts to 10' -10' when the distance betweenspheres is decreased. Absorption spectra of three- and four-sphere clusters arealso calculated, which indicate that the essential features of the experimentalobservations are explained by tlte two-sphere cluster.
- 社団法人日本物理学会の論文
- 1983-11-15
著者
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Ohtaka Kazuo
Department Of Applied Physics Faculty Of Engineering Chiba University
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Inoue Masahiro
Institute for Materials Research, Tohoku University
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Ohtaka Kazuo
Department of Applied Physics,Faculty of Engineering,University of Tokyo
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