Preparation, structure and microwave dielectric properties of 3MgO-Al2O3-3TiO2 ceramics

被引：6
|
作者：
Huang, Jin [1 ]
Zhou, Huanfu [1 ]
Wang, Nan [1 ]
Tan, Xianghu [1 ]
Fan, Guangchao [1 ]
机构：
[1] Guilin Univ Technol, Collaborat Innovat Ctr Explorat Hidden Nonferrous, Guangxi Minist Prov Jointly Constructed Cultivat, State Key Lab Proc Nonferrous Met & Featured Mat, Guilin 541004, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2017年 / 28卷 / 06期
关键词：
BEHAVIOR; SYSTEM; PHASE; CA; SR; BA;
D O I：
10.1007/s10854-016-6092-y
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
3MgO-Al2O3-3TiO(2) (MAT) ceramics were prepared by a conventional solid-state reaction method. The crystal structure, sintering behavior and microwave dielectric properties of ceramics were investigated using X-ray diffraction, scanning electron microscopy and network analyzer. MAT ceramics contained the coexistence of three phases, including MgAl2O4, MgTiO3 and MgTi2O5. The ceramics sintered at 1350 A degrees C for 4 h presented excellent comprehensive performances with relative permittivity (epsilon (r) ) of 15.4, quality factor (Q x f) of 91,000 GHz and temperature coefficient of resonant frequency (tau (f) ) about -55.1 ppm/A degrees C.
引用
收藏
页码：4565 / 4569
页数：5
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