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Localised and delocalised plasmons in metallic nano-voids

Kelf, T.A., Sugawara, Y., Cole, R.M., Baumberg, J.J., Abdelsalam, M.E., Cintra, S., Mahajan, S. and Russell, A.E. (2006) Localised and delocalised plasmons in metallic nano-voids Physical Review B, 74, (24), 245415-[12pp]. (doi:10.1103/PhysRevB.74.245415).

Record type: Article


Nanostructured metal films comprised of periodically arranged spherical voids are grown by electrochemical deposition through a self-assembled template. Detailed measurements of the angle- and orientation-dependent reflectivity for different sample geometries reveal the spectral dispersion of several different types of surface plasmon modes. The dependence of the energies of both delocalized Bragg and localized Mie plasmons on the void goemetry is presented, along with theoretical models to explain some of these experimental findings. Strong interactions between the different plasmon modes as well as other mixing processes are identified. Understanding such plasmonic crystals allows for the engineering of devices tailored for a wide range of sensing application.

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Published date: 13 December 2006
Keywords: plasmons, nanostructure, metal, localised bandgap, plasmonic nanophotonics
Organisations: Chemistry, Institute for Life Sciences, Quantum, Light & Matter Group


Local EPrints ID: 42941
ISSN: 1550-235X
PURE UUID: 55de3fed-fa1f-4761-b7f4-0ba2ffadd27f
ORCID for S. Mahajan: ORCID iD
ORCID for A.E. Russell: ORCID iD

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Date deposited: 03 Jan 2007
Last modified: 17 Jul 2017 15:20

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Author: T.A. Kelf
Author: Y. Sugawara
Author: R.M. Cole
Author: J.J. Baumberg
Author: M.E. Abdelsalam
Author: S. Cintra
Author: S. Mahajan ORCID iD
Author: A.E. Russell ORCID iD

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