Effects of Bi3+ substitution for Nd3+ on microwave dielectric properties of Ca0.61(Nd1-xBix)0.26TiO3 ceramics

被引：22

作者：

Qu, Jingjing ^{[1
]}

Liu, Fei ^{[2
,3
]}

Yuan, Changlai ^{[3
]}

Liu, Xinyu ^{[2
,3
]}

Chen, Guohua ^{[3
]}

机构：

[1] Guilin Univ Aerosp Technol, Dept Informat Engn, Guilin 541004, Peoples R China

[2] Cent S Univ, Coll Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[3] Guilin Univ Elect Technol, Coll Mat Sci & Engn, Guilin 541004, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 159卷

基金：

中国国家自然科学基金;

关键词：

Ceramics; Dielectrics; Bi-substitution; Ca-0.61(Nd1-xBix)(0.26)TiO3;

D O I：

10.1016/j.matlet.2015.07.056

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of substituting Nd with Bi on microwave dielectric behaviors and structural features of Ca-0.61(Nd1-xBix)(0.26)TiO3 (0.05 <= x <= 0.3) ceramics were investigated. X-ray diffraction patterns illustrated that a distorted perovskite structure with a minor amount of the secondary phase TO2 was formed within the composition range of x= 0.05-0.1, while the content of TiO2 phase showed more obvious increase for the samples with 0.2 s x s 0.3. As compared with the microwave dielectric properties of pure Ca0.61Nd0.26TiO3 ceramics, Bi-substitution could enhance the dielectric constant (epsilon(r)) and quality factor (Qxf), even there was no increase in the temperature coefficient (tau(f)) for the Ca-0.61(Nd1-xBix)(0.26)TiO3 (0.05 <= x <= 0.1) ceramics. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：436 / 438

页数：3

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