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Directionally solidified alkali halide eutectics as polaritonic metamaterials

AuthorsMerino, R. I.; Acosta, M. F. ; Orera, V. M.
Issue Date2012
AbstractIn this communication we report on fibrilar and lamellar alkali halide eutectics as polaritonic metamaterials. Anisotropic dielectric constants and hyperbolic dispersion can be achieved for a wide range of energies with large dielectric constant contrast between the components. The identification of the eutectic systems more prone to present homogeneous well ordered microstructures together with appropriate phonon-polariton dispersion properties is reported. The microstructure of some of the selected systems, fabricated by directional solidification using the Bridgman method is presented. Some new ternary systems have also been explored, aiming at decreasing the domain size or to change the volume fraction of fibers into matrix.
DescriptionResumen del trabajo presentado a la: "3rd International Conference on Metamaterials, Photonic Crystals and Plasmonics" celebrada en Paris (Francia) del 19 al 22 de abril de 2012.
Appears in Collections:(ICMA) Comunicaciones congresos
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