Low-fired Mg2SiO4-based dielectric ceramics with temperature stable for LTCC applications

被引：15

作者：

Ma, Jianli ^{[1
,2
]}

Yang, Tao ^{[1
,3
]}

Fu, Zhifen ^{[1
,2
]}

Liu, Peng ^{[1
]}

Feng, Qinqin ^{[1
]}

Zhao, Liping ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Coll Phys & Informat Technol, Xian 710062, Peoples R China

[2] Anhui Univ Sci & Technol, Sch Sci, Huainan 232001, Peoples R China

[3] Xian YiXin Middle Sch, Xian 710062, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 695卷

基金：

中国国家自然科学基金;

关键词：

Ceramics; Sintering; Dielectric properties; Microstructure; COMPOSITE CERAMICS; FORSTERITE CERAMICS; MICROWAVE; GLASS;

D O I：

10.1016/j.jallcom.2016.11.310

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：

Low-fired Mg2SiO4-LiF-TiO2 ceramics were prepared by a conventional solid-state route. The sintering temperatures of Mg2SiO4 ceramics were effectively lowered to 950 degrees C due to the formation of a LiF liquid phase. Such sample was compatible with Ag electrodes, suitable for the low-temperature co-fired ceramics (LTCC) applications. Furthermore, the temperature stability of Mg2SiO4-LiF ceramics was improved by adding TiO2. A typical sample of Mg2SiO4-4 wt% LiF-24 wt% TiO2 ceramics were achieved at 950 degrees C and possessed out-bound dielectric properties (epsilon(r) = 7.5, Q x f = 38,430 GHz and tau(f) = -0.4 ppm/degrees C). (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：3198 / 3201

页数：4

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