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Effects of V2O5 addition on the phase-structure and dielectric properties of zinc titanate ceramics

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Abstract

V2O5-doped zinc titanate ceramics (ZnTiO3) were prepared by conventional mixed-oxide method combined with a semi-chemical processing. The effects of V2O5 addition on the phase-structures and the dielectric properties of ZnTiO3 ceramics were investigated. The results show the sintering temperature of zinc titanate ceramics could be lowered from 1,150 to 930 °C by reducing the size of starting powders using a semi-chemical processing; and with adding V2O5 addition, the densification temperature of ZnTiO3 ceramics could be reduced to 875 °C. Also the phase transition temperature from hexagonal ZnTiO3 phase to cubic Zn2TiO4 was lowered by adding V2O5. The best properties were: ɛ r = 20.6, \( Q \times f = 8,873\;{\text{GHz}} \), when the ceramics was sintered at 900 °C, which is a promising candidate in the field of multi-layer devices requiring low sintering temperature (≤900 °C).

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Acknowledgments

The work was supported by National Natural Science Foundation of China (Project 60501015) and the Doctorate Foundation of Northwestern Polytechnical University under Grant CX200408.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, 710072, People’s Republic of China

    Xiangchun Liu, Feng Gao, Lili Zhao, Ming Zhao & Changsheng Tian

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  1. Xiangchun Liu
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  2. Feng Gao
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  3. Lili Zhao
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  4. Ming Zhao
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  5. Changsheng Tian
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Correspondence to Xiangchun Liu.

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Liu, X., Gao, F., Zhao, L. et al. Effects of V2O5 addition on the phase-structure and dielectric properties of zinc titanate ceramics. J Electroceram 18, 103–109 (2007). https://doi.org/10.1007/s10832-007-9013-x

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  • DOI: https://doi.org/10.1007/s10832-007-9013-x

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