Applied Physics A

, 125:119 | Cite as

Low electric field-induced strain and large improvement in energy density of (Lu0.5Nb0.5)4+ complex-ions doped BNT–BT ceramics

  • Sijian Pang
  • Ling YangEmail author
  • Juyu Qin
  • Hao Qin
  • Hang Xie
  • Hua Wang
  • Changrong Zhou
  • Jiwen XuEmail author


The (Bi0.5Na0.5)0.94Ba0.06Ti(1 − x)(Lu0.5Nb0.5)xO3 (BNBT–xLN, x = 0, 0.02, 0.03, 0.04, 0.05, 0.07) ceramics were designed to investigate their dielectric, ferroelectric, energy storage and electrostriction properties. All ceramics illustrated single pseudo-cubic perovskite structure and densely stacked microstructure. The LN doping disturbed the long-range ordered ferroelectric phase, which was confirmed by the depressed PIE loops and S–E curves. The excellent piezoelectric response was realized in the coexistence region of the ferroelectric polar and weak-polar phases. A significant enhancement of electric field-induced strains (Smax = 0.42%) with a large average normalized strain coefficient (d33* = Smax/Emax) of 602.41 pm/V, electrostriction coefficient (Q33 = 0.0334 m4/C2) was achieved at x = 0.02. And a high energy storage density of 0.72 J/cm3 was obtained at x = 0.03. As a result, the systematic investigations on the BNBT–xLN ceramics can benefit the developments of low electric field piezoelectric and energy storage devices.



This work is supported by the National Nature Science Foundation of China (61741105, 11664006), Guangxi Nature Science Foundation (2017GXNSFDA198024, 2016GXNSFAA380069) and Guangxi Key Laboratory of Information Materials (161001-Z, 171009-Z).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringGuilin University of Electronic TechnologyGuilinPeople’s Republic of China
  2. 2.Guangxi Key Laboratory of Information MaterialsGuilin University of Electronic TechnologyGuilinPeople’s Republic of China

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