Microwave Dielectric Properties of ZnO-2TiO2-Nb2O5 Ceramics with BaCu (B2O5) Addition

被引：23

作者：

Zhou, Huanfu ^{[1
]}

Wang, Hong ^{[1
]}

Li, Kecheng ^{[1
]}

Yang, Haibo ^{[1
]}

Zhang, Minghui ^{[1
]}

Yao, Xi ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Key Lab Minist Educ, Elect Mat Res Lab, Xian 710049, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2009年 / 38卷 / 05期

关键词：

LTCC; ZnO-2TiO(2)-Nb2O5 ceramics; doping; microwave dielectrics properties; SINTERING TEMPERATURE; BA2TI9O20; CERAMICS; CRYSTAL-STRUCTURE; SYSTEM; BACU(B2O5); GLASS;

D O I：

10.1007/s11664-009-0721-7

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：

The influence of BaCu(B2O5) (BCB) addition on the sintering temperature and microwave dielectric properties of ZnO-2TiO(2)-Nb2O5 (ZTN) ceramic has been investigated using dilatometry, x-ray diffraction, scanning electron microscopy, and microwave dielectric measurements. A small amount of BCB addition to ZTN can lower the sintering temperature from 1100A degrees C to 900A degrees C. The reduced sintering temperature was attributed to the formation of the BCB liquid phase. The ZTN ceramics containing 3.0 wt.% BCB sintered at 900A degrees C for 2 h have good microwave dielectric properties of Q x f = 19,002 GHz (at 6.48 GHz), epsilon (r) = 45.8 and tau (f) = 23.2 ppm/A degrees C, which suggests that the ceramics can be applied in multilayer microwave devices, provided that Ag compatibility exists.

引用

页码：711 / 716

页数：6

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