Effect of ZrO2 Doping in Physical Properties of Barium Iron Niobate Ceramics

Uraiwan Intatha; Sukum Eitssayeam; Kamonpan Pengpat; Gobwute Rujijanagul; Tawee Tunkasiri

doi:10.4028/www.scientific.net/AMR.55-57.889

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Effects of Potassium Fluoride Salt Additive on the Sintering Temperature and Dielectric Properties of BaFe_0.5Nb_0.5O₃Ceramics
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Effect of ZrO₂ Doping in Physical Properties of Barium Iron Niobate Ceramics
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 55-57Effect of ZrO2 Doping in Physical Properties of...

Effect of ZrO₂ Doping in Physical Properties of Barium Iron Niobate Ceramics

Abstract:

In this work, preparation conditions and effect of ZrO2 doped BaFe0.5Nb0.5O3 ceramics were studied. Relationship between structure and dielectric properties was investigated. Single-phase cubic BFN powder was synthesized by solid-state reaction at 1200°C for 4 hours with heating and cooling rate of 5°C/min. Various amount of ZrO2 doped from 0.1 to 0.5 %weight were used for doping. After that BFN ceramics were formed via uniaxial pressing and sintered at 1300°C for 4 hours with heating and cooling rate of 5°C/min. Physical properties, microstructure, phase evolution and dielectric properties were studied to find out the optimum conditions for high voltage capacitor applications.