Microstructure and microwave dielectric characteristics of ZnZrNb2O8 and (Zn0.95M0.05)ZrNb2O8 (M = Ni, Mg, Co and Mn) ceramics

被引：59
|
作者：
Li, Lingxia [1 ]
Sun, Hao [1 ]
Cai, Haocheng [1 ]
Lv, Xiaosong [1 ]
机构：
[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 639卷
基金：
中国博士后科学基金;
关键词：
Single phase; X-ray diffraction; Crystal structure; Dielectric property; CRYSTAL-STRUCTURE; ZN;
D O I：
10.1016/j.jallcom.2015.03.001
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：
ZnZrNb2O8 and (Zn0.95M0.05) ZrNb2O8 (M = Ni, Mg, Co and Mn) ceramics was synthetized at the sintering temperature of 1280 degrees C. The microstructure and microwave dielectric properties were investigated systematically. The X-ray diffraction results showed that all samples exhibit a single monoclinic structure. The dielectric constant (epsilon) was affected by the relative density and the dielectric polarizability. The quality factor (Qf) increased with the increase of the packing fraction. The temperature coefficient of resonant frequency (tau(f)) moved towards positive due to the increase of B-site bond valence. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：516 / 519
页数：4
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