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- Title
Dielectric properties and energy storage behaviors in ZnNbO-doped SrNdTiO ceramics.
- Authors
Zheng, J.; Chen, G.; Chen, X.; Li, Q.; Xu, J.; Yuan, C.; Zhou, C.
- Abstract
Using the solid-state ceramic route, SrNdTiO ceramics with addition of ZnNbO were prepared, and the phase purity, microstructure, dielectric property and energy-storage performance were investigated. The XRD results suggest the formation of solid solutions for all the studied compositions. The SEM results show the moderate addition of ZnNbO improves the sintering densification and microstructure of the ceramic samples. The breakdown strength (BDS) is notably improved due to the reduction of the grain size and dense uniform microstructure. And the highest BDS of 493 kV/cm can be achieved for the sample with 6 wt% ZnNbO additive. The SrNdTiO ceramic with 6.0 wt% ZnNbO addition shows the maximum theoretical energy-storage density of 2.37 J/cm, which is 3.4 times higher than that of pure SrTiO in the literature. Therefore, the ZnNbO doped SrNdTiO ceramics might be a kind of promising energy storage dielectric material.
- Subjects
DIELECTRIC properties of strontium titanate; CERAMIC materials; ELECTRIC properties; ZINC oxide; NIOBIUM oxide; ENERGY storage; NEODYMIUM compounds; X-ray diffraction; GRAIN size
- Publication
Journal of Materials Science: Materials in Electronics, 2016, Vol 27, Issue 4, p3759
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-015-4219-1