Effects of BaO-B2O3-SiO2 glass additive on dielectric properties of Ba(Fe0.5Nb0.5)O3 ceramics

被引：12
|
作者：
Wang, Zhuo [1 ]
Li, Hai Juan [1 ]
Zhang, Liang Liang [1 ]
Pu, Yong Ping [1 ]
机构：
[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2014年 / 53卷
基金：
中国国家自然科学基金;
关键词：
Ceramics; Glasses; Dielectric properties; BREAKDOWN STRENGTH; TITANATE;
D O I：
10.1016/j.materresbull.2014.01.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ba(Fe0.5Nb0.5)O-3 (BFN) ceramics doped with BaO-B2O3-SiO2 (BBS) glass were prepared by the conventional solid-state ceramic route. The effects of glass content on the sintering temperature, phase composition, microstructure, dielectric properties and breakdown strength of Ba(Fe0.5Nb0.5)O-3 ceramics were investigated. The sintering temperature of the BaO-B2O3-SiO2 glass added Ba(Fe0.5Nb0.5)O-3 ceramics decreased by 150-330 degrees C than that of the pure Ba(Fe0.5Nb0.5)O-3. The addition of 5 wt% BaO-B2O3-SiO2 glass reduces the dielectric loss at 1 kHz from 1.5 to 0.019. Glass addition as high as 5 wt% shows the highest breakdown strength of 27.12 kV/cm, which is approximate 30 times higher than that of pure Ba(Fe0.5Nb0.5)O-3. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：28 / 31
页数：4
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