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Journal of Materials Science: Materials in Electronics

, Volume 29, Issue 23, pp 20017–20032 | Cite as

Microstructure, dielectric and ferroelectric properties of (1−x) BaTiO3xBiYbO3 ceramics fabricated by conventional and microwave sintering methods

  • Gang Chen
  • Xiaodong Peng
  • Chunlin Fu
  • Wei Cai
  • Rongli Gao
  • Peigeng Fan
  • Xiaoya Zhang
  • Xin Yi
  • Cong Ji
  • Hongqi Yang
  • Hualei Yong
Article
  • 71 Downloads

Abstract

(1−x) BaTiO3xBiYbO3 (abbreviated as (1−x) BT−xBY, x = 0, 0.03, 0.06 and 0.09) ferroelectric ceramics have been fabricated by conventional sintering (CS) and microwave sintering (MWS) methods. The microstructure, dielectric and ferroelectric properties of (1−x) BT–xBY ceramics have been investigated systematically. X-ray diffraction patterns indicate all samples possess single perovskite phase and the crystal structure transforms from tetragonal to pseudo-cubic phase with increasing x. It can be also found that denser microstructure and finer grains can be obtained by MWS compared to CS as indicated by scanning electron microscopy. Dielectric measurements reveal that the addition of BY can lead to an obvious relaxation behavior in all samples, and the relaxation characteristics of MWS samples are stronger than those of CS samples. Moreover, the dielectric constant decreases with increasing BY content and the temperature stability and frequency stability of dielectric properties can be enhanced by using MWS method and addition of BY. PE hysteresis loops become slimmer with the increase of BY content, and the ferroelectric properties of MWS samples are similar to those of CS samples. The leakage current of MWS sample is smaller than that of CS sample from JE curve. The energy storage efficiency (η) increases with increasing BY content, while the energy storage density (U) increases and then decreases, Umax is obtained at x = 0.06. These results demonstrate that MWS technique and moderate BY content are effective methods to prepare materials for energy storage application.

Notes

Acknowledgements

This work was supported by the Chongqing Research Program of Basic Research and Frontier Technology (Grant No. CSTC2018jcyjAX0416, CSTC2016jcyjA0175, CSTC2016jcyjA0349, CSTC2015jcyjA50003, CSTC2015jcyjA50015); Excellent Talent Project in University of Chongqing (Grant No. 2017-35); the Science and Technology Innovation Project of Social Undertakings and People’s Livelihood Guarantee of Chongqing (Grant No. CSTC2017shmsA0192) and the Program for Innovation Teams in University of Chongqing, China (Grant No. CXTDX201601032).

Compliance with ethical standards

Conflict of interest

We have no conflicts of interest to disclose, and manuscript is approved by all authors and the institutes for publication of this article.

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Copyright information

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

Authors and Affiliations

  • Gang Chen
    • 1
    • 2
  • Xiaodong Peng
    • 2
  • Chunlin Fu
    • 1
  • Wei Cai
    • 1
  • Rongli Gao
    • 1
  • Peigeng Fan
    • 1
  • Xiaoya Zhang
    • 1
  • Xin Yi
    • 1
  • Cong Ji
    • 1
  • Hongqi Yang
    • 1
  • Hualei Yong
    • 1
  1. 1.School of Metallurgy and Materials EngineeringChongqing University of Science and TechnologyChongqingPeople’s Republic of China
  2. 2.College of Materials Science and EngineeringChongqing UniversityChongqingPeople’s Republic of China

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