Inderscience Publishers

Dielectric, magnetic and optical properties of nanocomposites

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Nanocomposites are media made of nanoparticles embedded in a matrix. Depending on the nanoparticle types and shapes, nanocomposites can have different properties. I discuss here dielectric and magnetic composites at low, as well as, high frequencies. At low frequencies, dielectric and magnetic properties can be enhanced by using elongated nanoparticles. At high frequencies various photonic, plasmonic and polaritonic effects can occur in nanocomposites, in particular in those with periodic arrangement of nanoparticles. The negative refraction can be achieved in nanocomposites with simultaneously negative dielectric function and magnetic permeability.

Keywords: nanocomposites, dielectric function, permeability, nanoparticles, carbon nanotubes, antennas, coaxial transmission lines, nanotechnology, security, dielectric properties, magnetic properties, optical properties

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