Effect of preparation methods on properties of barium zirconium titanate ceramics

Sukum Eitssayeam, Chatchai Kruea-In, Parkpoom Jaruporm, Kamonpan Pengpat, Tawee Tunkasiri, Chompoonuch Puchmark, Gobwute Rujijanagul


Barium zirconium titanate ceramics in a composition of BaZr0.09Ti0.91O3 were synthesized from powders prepared by a conventional mixed oxide and vibro-milling methods. Properties of the ceramics were investigated. Compared to a conventional sample, the ceramic prepared using the vibro-milling method showed a higher dielectric constant and better dielectric responds under high electric fields. The microstructural properties of the samples were investigated. It was proposed that the densification and microstructure of the ceramics were responsible for the improvement of the ceramics properties.

Keywords: Ceramics, Dielectric properties, Microstructure, Densification

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