Thickness-gradient dependent Raman enhancement in silver island films

T. W.H. Oates, S. Noda

研究成果: Article査読

15 被引用数 (Scopus)

抄録

We show evidence of a dependence of the enhancement of the Raman scattering cross section on the length of the gradient in graded silver island films. A factor-of-three increase in the Raman signal is observed for gradients with length of the order of 0.5 mm when compared to gradients of the order of 9 mm. Scanning electron microscopy reveals the nanostructure of the two films to be statistically similar. We attribute the observation to differences in plasmon hybridization in the gradients arising from long range structural differences.

本文言語English
論文番号053106
ジャーナルApplied Physics Letters
94
5
DOI
出版ステータスPublished - 2009
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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