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- Title
Composition-sensitive electrical properties of charge nonstoichiometric 0.94Bi0.5+xNa0.5−xTiO<sub>3</sub>–0.06BaTiO<sub>3</sub> ceramics.
- Authors
Zhang, Ji; Wang, Rui-Xue; Li, Ling; Sun, Lei; Gu, Zheng-Bin; Zhang, Haibo; Zhang, Shan-Tao
- Abstract
Charge nonstoichiometric 0.94 Bi 0. 5 + x Na 0. 5 − x TiO3–0.06BaTiO3 (BNT-BT) (x = − 0. 0 2 , − 0. 0 1 , 0 , 0. 0 1 , 0. 0 2) ceramics were prepared and investigated. The depolarization temperature was dependent on composition and the ferroelectric property of x > 0 was suppressed more significantly than the x < 0 , indicating the composition-sensitive electrical properties. Furthermore, the x = − 0. 0 2 was close to the insulator/conductor composition boundary while the x = 0. 0 2 was close to the ferroelectrics/relaxor boundary. These results were attributed to the complex effect of donor doping and acceptor doping on depolarization field. This work provides robust clues to tune and/or design electrical property and conductivity of Bi 0. 5 Na 0. 5 TiO3-based materials.
- Subjects
ELECTRIC properties of solids; NONSTOICHIOMETRIC compounds; BARIUM titanate; CERAMICS; FERROELECTRIC crystals
- Publication
Journal of Advanced Dielectrics, 2019, Vol 9, Issue 5, pN.PAG
- ISSN
2010-135X
- Publication type
Article
- DOI
10.1142/S2010135X19500127