Infrared spectroscopy and microwave dielectric properties of ultra-low temperature firing (K0.5La0.5)MoO4 ceramics

被引：12

作者：

Pang, Li-Xia ^{[1
]}

Zhou, Di ^{[2
,3
]}

Cai, Chang-Long ^{[1
]}

Liu, Wei-Guo ^{[1
]}

机构：

[1] Xian Technol Univ, Lab Thin Film Tech & Opt Test, Xian 710032, Peoples R China

[2] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China

[3] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Int Ctr Dielect Res, Xian 710049, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 92卷

关键词：

Ceramics; Infrared; spectroscopy; Dielectric properties; LOW SINTERING TEMPERATURES; ND; CRYSTALS; SYSTEM; LTCC; LA; SM; LN;

D O I：

10.1016/j.matlet.2012.10.082

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The (K0.5La0.5)MoO4 ceramics with intrinsic ultra-low sintering temperature were prepared via the solid state reaction method. Pure monoclinic (K0.5La0.5)MoO4 phase was formed at around 660 degrees C. High performance of microwave dielectric properties were obtained in ceramic sample sintered at 680 degrees C with a permittivity of similar to 10.3, a temperature coefficient of resonant frequency about -81 ppm/degrees C, and Qf value of 59,000 GHz. Complex dielectric spectra gained from the infrared spectra were extrapolated down to microwave range, and they were in good agreement with the measured microwave permittivity and dielectric losses. The novel (K0.5La0.5)MoO4 ceramic might be a good candidate for microwave devices application. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：36 / 38

页数：3

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