Ba4LiNb3-xTaxO12 (x=0-3): A Series of High-Q Microwave Dielectrics from the Twinned 8H Hexagonal Perovskites

被引：42
作者：
Fang, Liang [1 ,2 ]
Li, Chunchun [2 ]
Peng, Xiyang [2 ]
Hu, Changzheng [1 ,2 ]
Wu, Bolin [1 ,2 ]
Zhou, Huangfu [1 ]
机构：
[1] Guilin Univ Technol, Minist Educ, Key Lab New Proc Technol Nonferrous Met & Mat, Guilin 541004, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2010年 / 93卷 / 05期
关键词：
CERAMICS; SR; CA;
D O I：
10.1111/j.1551-2916.2009.03548.x
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 series of the twinned 8H hexagonal perovskites in the Ba4LiNb3-xTaxO12 (x=0-3) system were synthesized by the conventional solid-state reaction method. Ba4LiNb3-xTaxO12 solid solutions were single phase in the whole range of x values. The ceramics exhibit perfect microwave dielectric properties with relative permittivity, epsilon(r)similar to 28-37, high quality factor, Q x f similar to 37 000-104 000 GHz, and temperature coefficient of resonant frequency, tau(f)similar to+25-+65 ppm/degrees C.
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页码：1229 / 1231
页数：3
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