Fabrication of double split metallic nanorings for raman sensing

A. Cleary, A. Clarke, A. Glidle, J.M. Cooper, D. Cumming

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We describe the fabrication and characterisation of arrays of metallic plasmon resonant nanorings, each of which are formed from two semicircles of different radius. We show that using a dual semicircle structure defined by electron beam lithography can result in closely spaced localized plasmon resonant peaks in the visible region, which cannot be achieved using a simpler nanoring structure with one radius. The advantage of producing two closely spaced resonant peaks is a structure that can be used for Raman sensing purposes at two different wavelengths.
Original languageEnglish
Pages (from-to)1146-1149
Number of pages3
JournalMicroelectronic Engineering
Volume86
Issue number4-6
DOIs
Publication statusPublished - Apr 2009

Keywords

  • localized surface plasmon
  • electron beam lithography
  • metallic plasmon resonant nanorings

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