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Piezoelectric properties of new ternary Bi1/2(Na, Li)1/2TiO3–(Bi1/2K1/2)TiO3–Ba0.85Ca0.15Ti0.90Zr0.10O3 ceramics

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Abstract

0.852[Bi1/2(Na1−x Li x )1/2]TiO3–0.110(Bi1/2K1/2)TiO3–0.038Ba0.85Ca0.15Ti0.90Zr0.10O3 (BNLT–BKT–BCTZ-x) new ternary piezoelectric ceramics were fabricated by the conventional solid-state method, and their piezoelectric properties as a function of the Li content were mainly investigated. A stable solid solution with a single perovskite structure has been formed, and the depolarization temperature (T d) of these ceramics was identified by using the temperature dependence of the dielectric loss. The T d value of these ceramics gradually decreases, while the T m value increases with increasing the Li content. The dielectric constant increases and the dielectric loss decreases with increasing the Li content, and an enhanced piezoelectric behavior of d 33∼223 pC/N and k p∼35.2 % has been demonstrated in these ceramics with x=0.06.

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Acknowledgements

Dr. Jiagang Wu gratefully acknowledges the support of the introduction of talent start funds of Sichuan University (2082204144033), the National Science Foundation of China (NSFC Nos. 51102173, 50772068, and 50972001), and the Fundamental Research Funds for the Central Universities (2012SCU04A01).

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  1. Department of Materials Science, Sichuan University, Chengdu, 610064, P.R. China

    Jiagang Wu, Sha Qiao, Jianguo Zhu & Dingquan Xiao

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  1. Jiagang Wu
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  2. Sha Qiao
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  4. Dingquan Xiao
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Correspondence to Jiagang Wu.

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Wu, J., Qiao, S., Zhu, J. et al. Piezoelectric properties of new ternary Bi1/2(Na, Li)1/2TiO3–(Bi1/2K1/2)TiO3–Ba0.85Ca0.15Ti0.90Zr0.10O3 ceramics. Appl. Phys. A 109, 273–277 (2012). https://doi.org/10.1007/s00339-012-7297-4

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