Dielectric relaxation behavior and energy storage properties in Ba 0.4 Sr 0.6 Zr 0.15 Ti 0.85 O 3 ceramics with glass additives
Source abstract
Abstract
Abstract Ba 0.4 Sr 0.6 Zr 0.15 Ti 0.85 O 3 ceramics with SrO–B 2 O 3 –SiO 2 glass additives were prepared via the solid state reaction route. The effects of glass contents on the sintering behavior, dielectric properties, microstructures, and energy storage properties of BSZT ceramics were investigated. Dielectric breakdown strength of 22.4 kV/mm was achieved for BSZT ceramics with 20 wt% glass addition. Dielectric relaxation behavior was observed in dielectric loss versus temperature plots. In order to investigate the mechanism of dielectric breakdown performance, the relationship between dielectric breakdown strength and grain boundary barrier was studied by the measurements of breakdown strength and activation energy. A discharged energy density of 0.45 J/cm 3 with an energy efficiency of 88.2% was achieved for BSZT ceramics with 5 wt% glass addition.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Dielectric properties of ceramics · Dielectric materials and actuators
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (22)
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