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Effects of sintering temperature on dielectric and piezoelectric properties of KNN-LS-BF-0.4mol%CuO lead-free piezoelectric ceramics

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Abstract

KNN-LS-BF-0.4mol%CuO piezoelectric ceramics were prepared by the traditional sintering method. The effects of sintering temperature on the dielectric and piezoelectric properties of KNN-LS-BF-0.4mol%CuO ceramics were studied. The results reveal that the sintering temperature has significant influence on the microstructure and the properties of KNN-LS-BF-0.4mol%CuO ceramics. With the increase of sintering temperature from 1,040 to 1,080 °C, the grains become more homogeneous and more tight-arrangement, resulting in the higher relative density as well as the best dielectric and piezoelectric properties. However, the properties of the samples would be deteriorated as they are sintered over 1,080 °C.

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Acknowledgments

The authors wish to acknowledge the financial support of the Guangxi Nature Science Foundations, Grant No. 2010GXNSFD013007.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, China

    Hua Wang, Xia Zhai, Jiwen Xu, Changlai Yuan & Ling Yang

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  1. Hua Wang
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  2. Xia Zhai
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  3. Jiwen Xu
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  4. Changlai Yuan
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  5. Ling Yang
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Correspondence to Hua Wang.

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Wang, H., Zhai, X., Xu, J. et al. Effects of sintering temperature on dielectric and piezoelectric properties of KNN-LS-BF-0.4mol%CuO lead-free piezoelectric ceramics. J Mater Sci: Mater Electron 24, 1519–1522 (2013). https://doi.org/10.1007/s10854-012-0964-6

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  • DOI: https://doi.org/10.1007/s10854-012-0964-6

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