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Journal of Electroceramics

, Volume 18, Issue 1–2, pp 103–109 | Cite as

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

  • Xiangchun Liu
  • Feng Gao
  • Lili Zhao
  • Ming Zhao
  • Changsheng Tian
Article

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).

Keywords

Low-temperature sintering Semi-chemical processing Dielectric properties Phase transformation ZnTiO3 

Notes

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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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Xiangchun Liu
    • 1
  • Feng Gao
    • 1
  • Lili Zhao
    • 1
  • Ming Zhao
    • 1
  • Changsheng Tian
    • 1
  1. 1.School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’anPeople’s Republic of China

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