Fabrication of Y and Fe co-doped BaZr0.13Ti1.46O3 fine-grained ceramics for temperature-stable multilayer ceramic capacitors. Issue 12 (15th August 2017)

• Record Type: Journal Article
• Authors: Miao, Kangkang; Wang, Xiaoling; Hu, Dengwei; Wang, Yan; Xiao, Jian
• Is Part Of: Ceramics international. Volume 43:Issue 12(2017)
• Page Start: 9099
• Page End: 9104
• Publication Date: 2017-08-15
• Subjects: BaZr0.13Ti1.46O3 -- Precipitation method -- Fine-grained ceramics -- Dielectric properties; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2017.04.056
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: Y 3+ and Fe 3+ co-doped BaZr0.13 Ti1.46 O3 powders were synthesized by wet chemical method through a precipitation process, able to control uniformity and particle size of the BaZr0.13 Ti1.46 O3 -based particles. Fine-grained BaZr0.13 Ti1.46 O3 ceramics co-doped with various amounts of Y 3+ and Fe 3+ were prepared at low sintering temperature to yield good dielectric properties and gentle temperature stability. The co-doping effect on the microstructure and dielectric properties of BaZr0.13 Ti1.46 O3 ceramics were studied. Results showed the dielectric constants firstly to increase monotonically then decrease with the increase of Y 3+ and Fe 3+ concentration. Overall, the resulting ceramics met the X8R specification when Y 3+ and Fe 3+ contents were 2 or 4 mol%. Moreover, the increase in Y 3+ and Fe 3+ doping concentration from 6 to 8 mol% satisfied the X7R specification.