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Dielectric Properties and Microstructure of MgO-TiO2-ZnO-CaO Ceramics

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Abstract

The effects of CaTiO3 addition on the microstructure, phase formation, and dielectric properties of MgO-TiO2-ZnO ceramics were investigated. The sintering temperature of CaTiO3-doped (Mg0.63Zn0.37)TiO3 ceramics can be lowered to 1290°C when the additive is used. The dielectric properties are found to be strongly correlated with the amount of CaTiO3 addition. At 1290°C, (Mg0.63Zn0.37)TiO3 ceramic with 1.0 mol% CaTiO3 exhibited a dielectric constant ε r of 23.3, dielectric loss tan δ of 1 × 10−5, and temperature coefficient of capacitance (TCC) of 10 ppm/°C.

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Authors and Affiliations

  1. Institute of Electronics and Information Engineering, Tianjin University, Tianjin, 300072, China

    Yonggang Zhang, Shunhua Wu, Jinxu Liu & Shunqi Gao

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  1. Yonggang Zhang
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  2. Shunhua Wu
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  3. Jinxu Liu
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  4. Shunqi Gao
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Correspondence to Yonggang Zhang.

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Zhang, Y., Wu, S., Liu, J. et al. Dielectric Properties and Microstructure of MgO-TiO2-ZnO-CaO Ceramics. J. Electron. Mater. 40, 355–360 (2011). https://doi.org/10.1007/s11664-010-1478-8

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  • DOI: https://doi.org/10.1007/s11664-010-1478-8

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