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- Title
Sr<sup>2+</sup> doping to enhanced energy-storage properties of (Na<sub>0.5</sub>Bi<sub>0.5</sub>)<sub>0.94</sub>Ba<sub>0.06</sub>TiO<sub>3</sub> lead-free ferroelectric ceramics.
- Authors
Duan, Ruijie; Wang, Jing; Jiang, Shenglin; Lv, Yunkai; Li, Jiali; Song, Aizhen; Liang, Linlin; Liu, Yuanxin
- Abstract
The powder samples of [(Na0.5Bi0.5)0.94Ba0.06]1−xSrxTiO3 (NBBST) have been prepared successfully by a wet solid-phase method. The effects of Sr-doping on morphology, ferroelectric and dielectric properties of NBBST ceramic samples have been investigated in detail. The XRD results show that the compounds possess perovskite phase structure. The dense phase morphology of NBBST is observed by scanning electron microscopy. Dielectric measurements show that the depolarization temperature and Curie temperature shift to low temperature. The ferroelectric hysteresis loops at room temperature become much slimmer with the increase of Sr content. When Sr-doping content is 0.30, the Ps of NBBSNT ceramic sample decreases distinctly. the Sr-25 ceramic samples have superior energy storage performance in the system, Which energy storage density is 0.318 J/cm3 at 70 kV/cm.
- Subjects
ENERGY storage; DIELECTRIC properties; FERROELECTRIC ceramics; FERROELECTRIC materials; X-ray diffraction
- Publication
Journal of Materials Science: Materials in Electronics, 2018, Vol 29, Issue 16, p13952
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-018-9528-8