Microwave dielectric properties of Ba5+nTinNb4O15+3n ceramics

被引：33

作者：

Fang, L ^{[1
]}

Chen, L ^{[1
]}

Zhang, H ^{[1
]}

Hong, XK ^{[1
]}

Diao, CL ^{[1
]}

Liu, HX ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2005年 / 16卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1007/s10854-005-6594-5

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

New dielectric ceramics Ba5+nTinNb4O15+ 3n ( n = 1, 2, 3) with cation- deficient hexagonal perovskite-related structure were prepared by the conventional solid-state reaction route. The phase and structure of the ceramics were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM). The microwave dielectric properties of the ceramics were studied using a network analyzer. These ceramics show dielectric constant ( er) of in the range of 45.1 - 48.6, tau(f) in the range + 59 to + 175 ppm degrees C-1, and high quality factors with Q x f values up to 22882. The values of epsilon(r) and tau(f) of the ceramics gradually increase as the number of n increases. (C) 2005 Springer Science + Business Media, Inc.

引用

页码：149 / 151

页数：3

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