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- Title
Effect of LaO additive on the dielectric properties of barium strontium titanate glass-ceramics.
- Authors
Zhang, Wenqin; Wang, Jinwen; Xue, Shuangxi; Liu, Shaohui; Shen, Bo; Zhai, Jiwei
- Abstract
The barium strontium titanate (BaSrTiO) glass-ceramics doped with different content of La were prepared via controlled crystallization. Phase compositions, microstructure and dielectric behaviors were investigated systematically. The results revealed that LaO additives had little influence on the dielectric constant but significantly changed the microstructure of the glass-ceramics, which led to improved breakdown strength (BDS). The optimized energy-storage density of 3.18 J/cm was achieved in the glass-ceramics with 1.0 wt% LaO content which is 2.56 times higher than pure BST glass-ceramics, suggesting glass-ceramics of this composition could be an attractive candidate for energy-storage applications.
- Subjects
BARIUM strontium titanate synthesis; ALKENE synthesis; CRYSTALLIZATION; DIELECTRIC properties; GLASS-ceramics synthesis; ENERGY storage
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 9, p4145
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2141-6