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

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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.
17 pages, 5 figures

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Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/154641

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.1566
 http://arxiv.org/abs/0802.1566

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arXiv