Abstract

The dielectric and the pyroelectric behaviour and the nature of absorption and steady state of currents have been studied for a ceramic and a polymer-ceramic composite over wide ranges of frequency and poling field and a limited range of temperature. The relative permittivity and the pyroelectric coefficient of the composite are observed to be significantly higher than those of the polymer. The dielectric loss processes of the composite are observed to be dominated by those of the polymer whereas the ceramic phase contributes significantly to the steady state electrical conduction which is observed to be of ionic nature.

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