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The structure and dielectric properties of low temperature sintering barium titanate based x7r ceramics

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Abstract

In this paper we try to do systematic investigation on the structure and dielectric properties of low temperature sintered barium titanate based X7R ceramics, which are doped with rare earth oxide, Nb2O5, Co3O4 using ZnO–B2O3 as the sintering aids. The dielectric ceramic powder can be sintered at the temperature below 950°C to satisfy X7R requirement and also with good permittivity and low dielectric loss. The research strongly suggest that this doped BaTiO3 based ceramic, which can be sintered at a rather low temperature, may be used in the production of MLCC with low content of Pd in the Ag–Pd electrode, and for sure, the production cost would be greatly reduced.

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Acknowledgements

This work was supported by the Ministry of Sciences and Technology of China through 973-project under grant 2002CB613301 and 863-project under grant 2001AA325010, 2003AA32G030. This work is (partly) supported by National Center for Nanoscience and Technology, China.

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  1. State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    C. Ma, X. H. Wang, R. Z. Chen, L. T. Li & Z. L. Gui

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  1. C. Ma
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  2. X. H. Wang
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  3. R. Z. Chen
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  4. L. T. Li
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  5. Z. L. Gui
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Correspondence to C. Ma.

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Ma, C., Wang, X.H., Chen, R.Z. et al. The structure and dielectric properties of low temperature sintering barium titanate based x7r ceramics. J Electroceram 21, 242–245 (2008). https://doi.org/10.1007/s10832-007-9139-x

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  • DOI: https://doi.org/10.1007/s10832-007-9139-x

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