Abstract

The ferroelectrics with high efficiency and excellent energy storage density are good candidate for energy storage devices in pulsed power technologies. Single phase morphotrophic composition of 0.67PIN-0.33PT is prepared by solid state method. Structural analysis with Rietveld refinement indicates that both R3m and P4mm phases coexist in this system. The remnant polarization (Pr) decreases above depolarization temperature (Td)∼100°C. Above Td macro-ferroelectric domains breaks into micro domains. The efficiency and recoverable energy storage density (Wrec) increases linearly above Td, making 0.67PIN-0.33PT a suitable material for energy storage in pulsed power technologies.

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