The effect of Ca0.61Nd0.26TiO3 addition on the microwave dielectric properties of (Mg0.95Ni0.05)TiO3 ceramics

被引：12

作者：

Shen, Chun-Hsu ^{[1
]}

Huang, Cheng-Liang ^{[1
]}

Shih, Chuan-Feng ^{[1
]}

Huang, Chih-Ming ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 475卷 / 1-2期

关键词：

Crystal growth; Dielectric response; FREQUENCY; SPECTRA; SYSTEM;

D O I：

10.1016/j.jallcom.2008.07.057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effect of Ca0.61Nd0.26TiO3 addition on the microwave dielectric properties of (Mg0.95Ni0.05)TiO3 ceramics was investigated. The Ca0.61Nd0.26TiO3 Content plays a significant role in improving the dielectric properties. Microwave dielectric measurements show an increase in the dielectric constant (epsilon(r)) and temperature coefficient of the resonant frequency (tau(f)) and a decrease in the quality factor (Q x f value) with increasing Ca0.61Nd0.26TiO3 content. By properly adjusting the Ca0.61Nd0.26TiO3 content, a zero temperature coefficient of resonate frequency (tau(f)) can also be obtained, which make (Mg0.95Ni0.05)TiO3 a promising material in wireless systems. At 1350 degrees C, the 0.85(Mg0.95Ni0.05)TiO3-0.15Ca(0.61)Nd(0.26)TiO(3) ceramics possess excellent microwave dielectric properties: a dielectric constant (epsilon(r)) of 24.05, a Q x f value of 67,000 GHz, and a tau(f) value of -9.3 ppm/degrees C. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：391 / 395

页数：5

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