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Effect of doping Gd2O3 on dielectric and piezoelectric properties of BaZr0.1Ti0.9O3 ceramics by sol–gel method

  • Wenshuo Kang
  • Zhanshen Zheng
  • Yuanliang Li
  • Rujie Zhao
  • Wenxin Dun
  • Yufan Wang
Article
  • 130 Downloads

Abstract

The effects of sintering temperature and doping amount of gadolinium ions on the microstructures and electrical properties of sol gel derived Ba (Zr0.1Ti0.9) O3 + xGd ceramics were investigated in this manuscript. XRD analysis showed that the main crystalline phase of BZT-xGd ceramic samples exhibit a perovskite structure without significantly change. The sample sintered at 1350 °C and doped with gadolinium ions of 0.5 mol% has uniform grain size and compact morphology. And the sample(1350 °C—0.5 mol%) also has a high piezoelectric charge coefficient of 131.33 pC/N, large plane electromechanical coupling coefficient of 0.22, high dielectric constant of 10504, and small dielectric loss of 0.01. The correlation of dielectric and piezoelectric properties of BZT-xGd ceramics with doping amount of Gd3+ ion has been explained by the lattice theory.

Notes

Acknowledgements

This work was supported by Science and Technology Support Project of Hebei Province, China (Grant No. 15211111), and the National Natural Science Foundation of China (Grant No. 51502075).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Wenshuo Kang
    • 1
  • Zhanshen Zheng
    • 1
  • Yuanliang Li
    • 1
  • Rujie Zhao
    • 1
  • Wenxin Dun
    • 1
  • Yufan Wang
    • 1
  1. 1.Key Laboratory of Environment Functional Materials of Tangshan City, Hebei ProvincialKey Laboratory of Inorganic Nonmetallic Materials, College of Materials Science and EngineeringNorth China University of Science and TechnologyTangshanChina

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