Effect of Calcinating Temperature and Mn doping on Dielectric Properties of temperature-stable BaTiO3-Based X8R Ceramics

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tjutjubao@yahoo.com.cn

Abstract

Systematic investigation has been made on the structure and dielectric properties of MnCO3-doped barium titanate-based X8R ceramics, to reveal the relationship between the manufacturing process and dielectric properties. The dielectric ceramic sintered at 950°C showed high permittivity and low dielectric loss, meeting X8R specifications. Transmission electron microscopy and EDS analysis were used. The results suggested that the temperature-stable BaTiO3-based X8R ceramics with the good dielectric properties can be prepared through the BaTiO3 calcined at 1150°C and doped with 0.7 wt% MnCO3.

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