TEM observation of liquid phase sintering in V2O5 modified Zr0.8Sn0.2TiO4 microwave ceramics

被引：11
作者：
Yang, Ru-Yuan [2 ]
Weng, Min-Hang
Kuan, Hon [1 ]
机构：
[1] So Taiwan Univ Technol, Dept Technol Electoopt Engn, Tainan, Taiwan
[2] Natl Pingtung Univ Sci & Technol, Dept Mat Engn, Pingtung, Taiwan
来源：
CERAMICS INTERNATIONAL | 2009年 / 35卷 / 01期
关键词：
Dielectric properties; TEM; Liquid phase; (Zr-0.8; Sn-0.2)TiO4; DIELECTRIC-PROPERTIES; (ZR0.8SN0.2)TIO4; (ZR; SN)TIO4; ADDITIVES;
D O I：
10.1016/j.ceramint.2007.09.006
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 phenomena of liquid phase sintering in the V2O5 modified (Zr-0.8, Sn-0.2)TiO4 (ZST) microwave ceramics has been investigated by using transmission electron microscopy (TEM) and energy dispersive X-ray analysis (EDS). The amounts of second phase were too low to be detected by X-ray diffraction (XRD), but could be observed by TEM bright field image. However, the presence of grain boundary phases did not degrade the microwave properties Of V2O5 modified ZST ceramics. The B, value of 37.2, Q x f value of 5 1,000 (at 7 GHz) and tau(f) value of -2.1 ppm/degrees C were obtained for ZST ceramics with 1 wt% V2O5 addition sintered at 1300 degrees C. (C) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
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页码：39 / 43
页数：5
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