New assembly route for three-dimensional metamaterials through effect medium theory

Details New assembly route for three-dimensional metamaterials through effect medium theory New assembly route for three-dimensional metamaterials through effect medium theory

2008-02-12

arxiv.org/abs/0802.1566v1

Physics

Condensed Matter

Materials Science

17 pages, 5 figures

Scientific paper

In this study, we illustrate the effective medium theories in the designs of three-dimensional composite metametails of both negative permittivity and permeability. The proposed metamaterials consist of coated spheres embedded in a dielectric host. Simple design rules and formulas following the effective medium models are numerically and analytically presented. We demonstrate that the revised Maxwell-Garnett effective medium theory enables us to design three-dimensional composite metamaterials through assembly of coated small spheres. The proposed approach allows for precise control of the permittivity and permeability and guides a facile, flexible and versatile way for the fabrication of composite metamaterials.

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