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Transverse and longitudinal surface plasmon resonances of a hexagonal array of gold nanorods embedded in an alumina matrix

McMillan, B.G. and Berlouis, L.E.A. and Cruickshank, F.R. and Pugh, D. and Brevet, P.F. (2005) Transverse and longitudinal surface plasmon resonances of a hexagonal array of gold nanorods embedded in an alumina matrix. Applied Physics Letters, 86 (21). p. 211912.

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Abstract

The specular reflectance from a hexagonal array of gold nanorods embedded in an alumina matrix supported on an aluminum substrate is reported. The rods were grown by electrodeposition of gold in an alumina template and were oriented with their long axis perpendicular to the film surface. Optical reflectance measurements performed with an incident light beam of S polarization only exhibited the transverse surface plasmon resonance whereas the measurements obtained with P polarization exhibited both transverse and longitudinal resonances. A model for the reflectance from a thin anisotropic film was developed and shown to be in agreement with the experimental data.

Item type: Article
ID code: 31892
Keywords: gold, insulating thin films , porous materials, refractive index, nanostructured materials, alumina, Physics, Physics and Astronomy (miscellaneous)
Subjects: Science > Physics
Department: Faculty of Science > Pure and Applied Chemistry
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 23 Jun 2011 16:41
Last modified: 05 Sep 2014 09:44
URI: http://strathprints.strath.ac.uk/id/eprint/31892

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