Shifting τf Value of (Mg0.95Co0.05)TiO3 Ceramics by Ca0.61Nd0.78/3TiO3 Addition

被引：3
|
作者：
Chen, Ping-Cheng [1 ]
Pan, Chung-Long [2 ]
Lin, Wei-Cheng [2 ]
Shen, Chun-Hsu [3 ]
机构：
[1] I-Shou Univ, Dept Commun Elect Engn, 1,Sec 1,Syuecheng Rd, Dashu Township 840, Kaohsing County, Taiwan
[2] I-Shou Univ, Dept Elect Engn, Saga 840, Japan
[3] Natl Chin Yi Univ Technol, Dept Elect Engn, Nagaizumi, Shizuoka 411, Japan
来源：
ENVIRONMENTAL PROTECTION AND RESOURCES EXPLOITATION, PTS 1-3 | 2013年 / 807-809卷
关键词：
dielectricceramics; near-zerotemperature coefficient of resonate frequency; DIELECTRIC-PROPERTIES; RESONATOR;
D O I：
10.4028/www.scientific.net/AMR.807-809.2703
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Modification of (Mg0.95Co0.05)TiO3 ceramics by Ca0.61Nd0 78/3TiO3 addition was investigated. The Ca0.61Nd0.78/3TiO3 content plays a significant role in improving the dielectric properties. Microwave dielectric measurement showed an increase in dielectric constant (epsilon(r)) and temperature coefficient of the resonant frequency(tau(f))and a decrease in Q value with increasing Ca0.61Nd0.78/3TiO3 content. By properly adjusting the Ca0.61Nd0.78/3TiO3 content, zero temperature coefficient of resonate frequency tau(f) can also be obtained. It becomes more promising in the application of wireless system. At 1375 degrees C, the 0.85(Mg0.95Co0 05)TiO3-0.15Ca(0 61)Nd(0.78/3)TiO(3) ceramics possesses excellent microwave dielectric properties: a dielectric constant epsilon(r) of 24.37, a Qx f value of 66200 (at 7 GHz) and a tau(f) value of -1.4 ppm/degrees C.
引用
收藏
页码：2703 / +
页数：2
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