Low-firing and microwave dielectric properties of Na2YMg2V3O12 ceramic

被引：44
|
作者：
Xiang, Huaicheng [1 ]
Fang, Liang [1 ]
Jiang, Xuewen [1 ]
Li, Chunchun [1 ,2 ]
机构：
[1] Guilin Univ Technol, State Key Lab Breeding Base Nonferrous Met & Spec, Guangxi Univ Key Lab Nonferrous Met Oxide Elect F, Coll Mat Sci & Engn, Guilin 541004, Peoples R China
[2] Guilin Univ Technol, Coll Informat Sci & Engn, Guilin 541004, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Microwave dielectric ceramics; Garnet structure; Na2YMg2V3O12; LTCC; SINTERING TEMPERATURE; LTCC APPLICATIONS; SYSTEM; ZN;
D O I：
10.1016/j.ceramint.2015.10.163
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：
A low-firing microwave dielectric ceramic Na2YMg2V3O12 with garnet structure was prepared via the conventional solid-state reaction method. X-ray diffraction data shows that Na2YMg2V3O12 ceramic crystallized into a cubic garnet structure with a space group Ia-3d. Dense Na2YMg2V3O12 ceramic with a relative density of 95.4% could be obtained when sintered at 850 degrees C and exhibited the optimum microwave properties with a relative permittivity of 12.3, a quality factor of 23,180 GHz (at 10.2 GHz), and a nearly zero tau(f) value of -4.1 ppm/degrees C. Na2YMg2V3O12 was found to be chemically compatible with silver electrode when sintered at 850 degrees C. These merits make Na2YMg2V3O12 a good microwave dielectric ceramic with potential applications in LTCC technology. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：3701 / 3705
页数：5
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