Novel tin-doped BaTiO3 ceramics with non-reducibility and colossal dielectric constant

被引：18

作者：

Li, Lingxia ^{[1
]}

Wang, Ruijie

Yu, Shihui ^{[1
]}

Sun, Zheng

Zheng, Haoran

机构：

[1] Minist Educ, Sch Microelect, Tianjin 300072, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 220卷

基金：

中国国家自然科学基金;

关键词：

Ceramics; Dielectrics; Electrical properties; Sintering; VISIBLE-LIGHT; FILMS;

D O I：

10.1016/j.matlet.2018.03.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel BaTiO3-based ceramics with non-reducibility and colossal dielectric constant were successfully synthesized by conventional solid-state route through the doping of Sn ions. Electrical measurements indicate that the Sn-doped BaTiO3 ceramics show excellent dielectric and non-reductive properties. Compared with the Sn-doped BaTiO3 ceramics sintered in air, the dielectric constant, loss tangent and insulation resistance almost have no change for the samples sintered in H-2-N-2. The Sn-doped BaTiO3 ceramics sintered in H-2-N-2 show a colossal dielectric constant (1.2 x 10(4)@1 kHz), low loss tangent (similar to 1.0% at 1 kHz), and acceptable insulation resistance (4.5 x 10(10) Omega.cm). The mechanisms of anti-reduction and colossal dielectric constant are proposed. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：119 / 121

页数：3

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