ABSTRACT

High-energy density polymer nanocomposites have shown significant potential in modern electronic devices. However, it is still a great challenge to achieve high dielectric permittivity and low dielectric loss without compromising breakdown strength. Ceramic/polymer composites have been studied for their suitability as embedded capacitor materials as they combine the processing ability of polymers with the desired dielectric properties of ceramics. This chapter summarizes and discusses the dielectric properties of the various types of polymer/ceramic composites as a function of ceramic particle size, ceramic content, surface-treatment, effect of temperature, frequency, etc. The dielectric constant, electrical conductivity, strength break, and breakdown voltage of these polymer/ceramic composites are discussed and compared using several examples from the widely published literature.