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Dielectric and relaxor ferroelectric properties of Ba-doped Pb(Zr,Ti)O3 ceramics

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Abstract

(Pb,Ba)(Zr,Ti)O3 is a relaxor ferroelectric material. Dielectric and ferroelectric properties of (Pb1-x Ba x )(Zr0.70Ti0.30)O3 ceramics have been investigated for compositions varying in the range of 0.20 ≤ x ≤ 0.30. Reagent grade PbO, ZrO2, TiO2 and BaCO3 raw powders were used, ceramics were fabricated by convenient solid state reaction. The experimental results show that the substitution of Ba for Pb can enhance the ferroelectric relaxor characteristics. With the Ba content increasing, the electric hysteresis was narrowed and the polarization was reduced. Meanwhile the temperature T m that corresponding to the maximal dielectric constant was decreased. It has also been found that the hydrostatic pressure may cause the phase transition more diffuse and move T m to higher temperature.

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Acknowledgements

This work was financially supported by the Ministry of Sciences and Technology of China through 973-project (Grant No. 2002CB613307), and the Natural Sciences Fund of China (Grant No. 50472052), and Key Science and Technology Research Project from the Ministry of Education of China (Grant No. 03155).

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Authors and Affiliations

  1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, **’an Jiaotong University, **’an, 710049, People’s Republic of China

    Na Zhang, Zhuo Xu, Yujun Feng & ** Yao

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  1. Na Zhang
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  2. Zhuo Xu
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  3. Yujun Feng
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  4. ** Yao
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Correspondence to Na Zhang.

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Zhang, N., Xu, Z., Feng, Y. et al. Dielectric and relaxor ferroelectric properties of Ba-doped Pb(Zr,Ti)O3 ceramics. J Electroceram 21, 609–612 (2008). https://doi.org/10.1007/s10832-007-9249-5

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  • DOI: https://doi.org/10.1007/s10832-007-9249-5

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