Microwave dielectric properties and LTCC applications of new glass-free molybdate ceramics Li3Ba2Ln3(MoO4)8 (Ln=Gd, Tm)

被引：2

作者：

Li, Meiying ^{[1
]}

Huang, Binghong ^{[2
]}

Shang, Fei ^{[1
]}

Chen, Guohua ^{[1
,2
]}

机构：

[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541004, Peoples R China

[2] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2024年 / 50卷 / 14期

基金：

中国国家自然科学基金;

关键词：

Molybdate ceramic; Microwave dielectric properties; LTCC; CRYSTAL-STRUCTURE; LN; MICROSTRUCTURE;

D O I：

10.1016/j.ceramint.2024.04.266

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：

The traditional solid-state sintering method was employed to prepare Li 3 Ba 2 Ln 3 (MoO 4 ) 8 (Ln = Gd, Tm) ceramics, and the impact of firing temperature on the structure, microstructure and microwave dielectric properties of the novel molybdate Li 3 Ba 2 Ln 3 (MoO 4 ) 8 (Ln = Gd, Tm) ceramics was examined. XRD and Rietveld refinement outcomes validate the monoclinic system with the C2 / c space group for Li 3 Ba 2 Ln 3 (MoO 4 ) 8 (Ln = Gd, Tm). For the Li 3 Ba 2 Gd 3 (MoO 4 ) 8 ceramic sintered at 800 degrees C, a e r is 9.42, a Q x f is 16,988 GHz, and a ti f is 4.57 ppm/ degrees C. The Li 3 Ba 2 Tm 3 (MoO 4 ) 8 ceramic sintered at 800 degrees C has a e r of 9.74, a Q x f of 25,401 GHz, and a ti f of 1.08 ppm/ degrees C. XRD and EDS analyses prove the good chemical compatibility of the co-sintered Li 3 Ba 2 Gd 3 (MoO 4 ) 8 ceramic with the Ag electrode. Therefore, the Li 3 Ba 2 Gd 3 (MoO 4 ) 8 ceramic is suitable candidate material for LTCC applications.

引用

页码：25349 / 25354

页数：6

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