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Journal of Nanophotonics

On extended homogenization formalisms for nanocomposites
Author(s): Tom G. Mackay
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Paper Abstract

In the long-wavelength regime, the effective properties of particulate composites, including nanocomposites, may be estimated using one of various homogenization formalisms, such as the Bruggeman and Maxwell Garnett formalisms, and the approach of the strong-property-fluctuation theory (SPFT). In the conventional implementations of these formalisms, the constituent particles are treated as point-like scattering centres. However, extended formalisms have been established--which involve integral formulations--that take account of the spatial extent of the constituent particles. In particular, the extended second-order SPFT takes account of both the size of the constituent particles and their statistical distributions. We derived explicit representations of the extended second-order SPFT appropriate to isotropic chiral and uniaxial dielectric homogenized composite mediums. These results may also be employed in extended versions of the Bruggeman and Maxwell Garnett formalisms.

Paper Details

Date Published: 1 August 2008
PDF: 10 pages
J. Nanophoton. 2(1) 021850 doi: 10.1117/1.2982931
Published in: Journal of Nanophotonics Volume 2, Issue 1
Show Author Affiliations
Tom G. Mackay, Univ. of Edinburgh (United Kingdom)


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