Study on microwave dielectric properties of new microwave dielectric ceramics CaNd2ZnTi2O9

被引：2

作者：

He, Chuansheng ^{[1
]}

Li, Yingxiang ^{[1
]}

Wang, Fei ^{[4
]}

Pang, Xianying ^{[7
]}

Hou, Zegui ^{[1
]}

Liu, Wei ^{[1
]}

Liang, Deyin ^{[5
,6
]}

Tang, Bin ^{[2
]}

Fang, Zixuan ^{[2
]}

Shi, Zitao ^{[2
]}

Chen, Jingjing ^{[2
]}

Li, Hao ^{[3
]}

机构：

[1] Shaoyang Univ, Coll Informat Engn, Shaoyang 422000, Peoples R China

[2] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Device, Chengdu 611731, Peoples R China

[3] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China

[4] Southwest Petr Univ, Sch Civil Engn & Geomat, Chengdu 610500, Peoples R China

[5] Fudan Univ, Adv Coatings Res Ctr, Dept Mat Sci, Minist Educ China, Shanghai 200433, Peoples R China

[6] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Peoples R China

[7] Southwest Jiaotong Univ Chengdu, Hope Coll, Chengdu 610000, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2024年 / 35卷 / 32期

关键词：

CRYSTAL-STRUCTURE; BOND CHARACTERISTICS; SINTERING BEHAVIOR; LOW PERMITTIVITY; CHEMICAL-BOND; TEMPERATURE; MICROSTRUCTURE; DEPENDENCE; LN;

D O I：

10.1007/s10854-024-13789-6

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：

This research demonstrates a novel class of CaNd2ZnTi2O9 microwave dielectric ceramic using the traditional solid-state methods. Analysis by XRD and Rietveld refinement revealed that the CaNd2ZnTi2O9 sample is single-phase and possesses an orthorhombic crystal configuration with a Pbnm (62) space group. SEM observation confirmed the double perovskite structure of CaNd2ZnTi2O9 ceramics and the relative density of the ceramic samples reached 95.8%. Additionally, the tau f of CaNd2ZnTi2O9 sample is affected by VTi-O bond valence. CaNd2ZnTi2O9 samples sintered at 1430 degrees C show significant microwave dielectric properties (epsilon r = 35.41, Q x f = 15,440 GHz, tau f = -S54.8 ppm/degrees C).

引用

页数：10

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