Mechanism of Enhanced Dielectric Properties of SiC/Ni Nanocomposites
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Abstract
Dielectric properties of SiC/Ni nanocomposites prepared by a simple and facile electroless plating approach at X band are investigated. Compared to the original SiC nanoparticles (SiCP), the real part of the permittivity, ε', and the dielectric loss tangent tan δe of SiC/Ni nanocomposites are clearly enhanced by about 31% and 33%, respectively. The effective equations for complex permittivity of SiC/Ni nanocomposites are proposed. We also calculate ε' and tan δe of SiC/Ni nanocomposites and the calculated results are well consistent with the measured data.
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