Low temperature sintering of Li2(Mg0.3Zn0.7)Ti3O8-0.12TiO2 microwave dielectric ceramics with controllable grain size

被引：7
|
作者：
Tong, Jianxi [1 ,2 ]
Zhou, Juehui [1 ,3 ]
Yang, Hui [1 ]
Zhang, Qilong [1 ,3 ]
Huang, Wei [2 ]
You, Yuan [2 ]
机构：
[1] Zhejiang Univ, Zhejiang Calif Int NanoSyst Inst, Hangzhou 310029, Peoples R China
[2] Jiaxing Glead Elect Co Ltd, Jiaxing 314003, Peoples R China
[3] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2014年 / 25卷 / 03期
基金：
国家高技术研究发展计划(863计划);
关键词：
LI2ZNTI3O8; CERAMICS; ZINC; B2O3;
D O I：
10.1007/s10854-014-1725-5
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：
The effects of BaO-B2O3-SiO2 (BBS) frit on sinterability, microstructure and microwave dielectric properties of Li-2(Mg0.3Zn0.7)Ti3O8-0.12TiO(2) (LMZT) ceramics were systematically investigated. BBS frit can effectively lower the sintering temperature of LMZT ceramics to below 900 A degrees C. Suitable BBS frit addition can accelerate the growth of the LMZT grains while inhibit the abnormal grain growth at the same time. The LMZT ceramics with 2 wt% BBS frit sintered at 900 A degrees C for 3 h show homogeneous microstructure composed of 5-10 mu m grains and excellent dielectric properties: epsilon (r) = 24.1, Q x f = 21,980 GHz, tau (f) = -4.1 ppm/ A degrees C. It is compatible with Ag electrodes, which makes it a potential candidate material for low temperature co-fired ceramics technology application.
引用
收藏
页码：1293 / 1297
页数：5
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