Effect of Ca substitution on phase compositions and dielectric properties of Bi2O3-ZnO-Nb2O5 pyrochlore ceramics

被引:7
作者
Pang, Li-Xia [1 ]
Zhou, Di [2 ,3 ]
Wang, Hong [2 ,3 ]
机构
[1] Xian Technol Univ, Lab Thin Film Tech & Opt Test, Xian 710032, Peoples R China
[2] Xi An Jiao Tong Univ, Elect Mat Res Lab, Xian 710049, Peoples R China
[3] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Key Lab, Minist Educ, Xian 710049, Peoples R China
关键词
A; Sintering; C. Dielectric properties; E; Capacitors; MICROWAVE;
D O I
10.1016/j.ceramint.2012.10.159
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The phase evolution, microstructure and dielectric properties in the Ca2+ substituted Bi2O3-ZnO-Nb2O5 system were studied. The crystalline phases of the [Bi-1.8(CaxZn1-x)(0.2)]Zn0.6Nb1.4)O-7 pyrochlores (0.0 <= x <= 1.0) depend greatly on the ratio of ionic radius A/B. With the Ca2+ substitution for Zn2+ in the A site, the crystalline phase transformed from cubic to monoclinic and pure monoclinic phase was obtained for x >= 0.5. As the x value increased from 0.5 to 1.0, the permittivity in the microwave range decreased from 76.4 to 75.0, the quality factor Qf value increased from 1800 to 4700 GHz, and the TCF value shifted from -99 to -147 ppm/degrees C. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码:S673 / S676
页数:4
相关论文
共 50 条
[21]   Microwave dielectric properties and microstructures of Nb2O5-Zn0.95Mg0.05TiO3+0.25TiO2 ceramics with Bi2O3 addition [J].
Lee, Ying-Chieh ;
Chiang, Cheng-Su ;
Huang, Yen-Lin .
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2010, 30 (04) :963-970
[22]   Structures, phase transformations, and dielectric properties of Bi2(Zn1-xMgx)2/3Nb4/3O7 pyrochlore ceramics as temperature stable LTCC material [J].
Li, Lingxia ;
Jin, Yuxin ;
Dong, Helei ;
Yu, Shihui ;
Xu, Dan .
JOURNAL OF ALLOYS AND COMPOUNDS, 2014, 604 :31-35
[23]   Liquid phase effect of Bi2O3 additive on densification, microstructure and microwave dielectric properties of Mg2TiO4 ceramics [J].
Bhuyan, R. K. ;
Kumar, T. Santhosh ;
Pamu, D. .
FERROELECTRICS, 2017, 516 (01) :173-184
[24]   Influence of Bi Substitution on the Microstructure and Dielectric Properties of Gd3Fe5O12 Ceramics [J].
Rajan, Athira ;
Das, Sikha L. ;
Sibi, K. S. ;
Subodh, G. .
JOURNAL OF ELECTRONIC MATERIALS, 2019, 48 (02) :1133-1138
[25]   Phase equilibria in the Bi2O3-CuO-Nb2O5 ternary system [J].
Tan, K. B. ;
Chon, M. P. ;
Khaw, C. C. ;
Zainal, Z. ;
Taufiq-Yap, Y. H. ;
Chen, S. K. ;
Tan, P. Y. .
CERAMICS INTERNATIONAL, 2017, 43 (06) :4930-4936
[26]   Effect of BaF2 Addition on Crystallization Kinetics and Dielectric Properties of B2O3-Nb2O5-SrO-BaO Glass-Ceramics [J].
Zeng, Yike ;
Qin, Xiaoye ;
Jiang, Shenglin ;
Zhang, Guangzu ;
Zhang, Ling .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2011, 94 (02) :469-473
[27]   Dielectric behaviors of Nb2O5-Co2O3 doped BaTiO3-Bi(Mg1/2Ti1/2)O3 ceramics [J].
Xiong, Bo ;
Hao, Hua ;
Zhang, Shujun ;
Liu, Hanxing ;
Cao, Minghe ;
Yu, Zhiyong .
CERAMICS INTERNATIONAL, 2012, 38 :S45-S48
[28]   Effect of Bi(Zn1/2Nb2/5)O3 addition on phase transition and energy storage properties of BaTiO3 ceramics [J].
Ma, Cuiying ;
Zhang, Ruiying ;
Zhang, Guangwei ;
Du, Huiling ;
Liu, Jia ;
Liang, Ruinan ;
Wang, Zhaoguo .
CURRENT APPLIED PHYSICS, 2023, 55 :1-8
[29]   Effect of La-substitution on structural and dielectric properties of Bi(Sc1/2Fe1/2)O3 ceramics [J].
Choudhary, R. N. P. ;
Pradhan, Dillip K. ;
Bonilla, G. E. ;
Katiyar, R. S. .
JOURNAL OF ALLOYS AND COMPOUNDS, 2007, 437 (1-2) :220-224
[30]   Influence of sintering temperature on microstructure and electrical properties of Er2O3 added ZnO-V2O5-MnO2-Nb2O5 varistor ceramics [J].
Roy, Samarpita ;
Das, Debdulal ;
Roy, Tapatee Kundu .
JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 749 :687-696