期刊
JOURNAL OF ASIAN CERAMIC SOCIETIES
卷 8, 期 2, 页码 430-436出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/21870764.2020.1749374
关键词
High-Q; microwave dielectric properties; bond valence; LTCC
资金
- Ministry of Science and Technology of Taiwan [MOST 105-2221-E-006-055-MY3]
Li2Mg2(MoO4)(3) dielectric was prepared via the conventional solid-state method, and its dielectric properties were investigated in the microwave frequency region. The XRD patterns of the sintered samples revealed single-phase formation with an orthorhombic structure and a space group belonging to Pnma(62). Lattice parameters, bond length, and Raman spectra of the ceramics were also investigated. The dielectric properties exhibited significant dependence on the sintering conditions. The values (resonant frequency temperature coefficient) remained in a range from - 60 to - 69 ppm/degrees C for all specimens because the changes in the unit cell volume were small. Excellent microwave dielectric properties (epsilon(r) similar to 9.5, Q x f similar to 80,000 GHz and tau(f) similar to - 69 ppm/degrees C) can be obtained for Li2Mg2(MoO4)(3) ceramics sintered at 880 degrees C for 4 h. This constitutes a very promising material for LTCC applications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据