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The Effect of Al Doping on Ferroelectric and Dielectric Properties of PLZT Transparent Electro-optical Ceramics

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Physics and Techniques of Ceramic and Polymeric Materials (CMC 2018)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 216))

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Abstract

The PLZT (8.0/69/31) transparent ceramics with Al doping were prepared by hot-press sintering technique. A single perovskite structure was observed by X-ray diffraction in all samples. The ferroelectric and dielectric properties of the materials change obviously with increasing Al content: The maximum dielectric constant was raised to 16,000, while the dielectric constant (εr) at room temperature presented a decreasing tendency from 5764 to 2501. The polarization versus electric field (P-E) hysteresis loops change from antiferroelectric (AFE) phase to ferroelectric (FE) phase at room temperature. The grains of the PLZT ceramics grow up with less Al doping, but the grain size decreases, while the Al-doping content increases further. The PLZT ceramics with a little Al (x = 0.50 mol%) doping exhibit a better transparency and conspicuous variations in ferroelectric and dielectric properties. This will be helpful for designing the materials for optical modulators.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 51602327).

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Authors and Affiliations

  1. The Science Academy, Shanghai University, 99 Shangda Road, Shanghai, 200444, China

    Bin Zhu & Suchuan Zhao

  2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, China

    Bin Zhu, Xiyun He, Xia Zeng, Pingsun Qiu & Liang Ling

  3. Shanghai Institute of Laser Plasma, China Academy of Engineering Physics, Chengzhong Road, Shanghai, 201800, China

    Zhaodong Cao

Authors
  1. Bin Zhu
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  2. Zhaodong Cao
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  3. Xiyun He
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  4. Xia Zeng
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  5. Pingsun Qiu
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  6. Liang Ling
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  7. Suchuan Zhao
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Corresponding authors

Correspondence to Xiyun He or Suchuan Zhao .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Zhu, B. et al. (2019). The Effect of Al Doping on Ferroelectric and Dielectric Properties of PLZT Transparent Electro-optical Ceramics. In: Han, Y. (eds) Physics and Techniques of Ceramic and Polymeric Materials. CMC 2018. Springer Proceedings in Physics, vol 216. Springer, Singapore. https://doi.org/10.1007/978-981-13-5947-7_22

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  • DOI: https://doi.org/10.1007/978-981-13-5947-7_22

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-5946-0

  • Online ISBN: 978-981-13-5947-7

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