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Synthesis, characterization and dielectric properties of a novel temperature stable (1-x)CoTiNb2O8-xZnNb(2)O(6) ceramic
Wu, Mengjuan1; Zhang, Yingchun1; Xiang, Maoqiao2
2019-06-01
Source PublicationJOURNAL OF ADVANCED CERAMICS
ISSN2226-4108
Volume8Issue:2Pages:228-237
Abstract(1-x)CoTiNb2O8-xZnNb(2)O(6) microwave dielectric ceramics were prepared via the conventional solid-state reaction route with the aim of reducing the (f) value and improving the thermal stability. The phase composition and the microstructure were investigated using X-ray diffraction, Raman spectra, and scanning electron microscopy. A set of phase transitions which were induced by composition had been confirmed via the sequence: rutile structurecoexistence of rutile and columbite phasecolumbite phase. For (1-x)CoTiNb2O8-xZnNb(2)O(6) microwave dielectric ceramics, the addition of ZnNb2O6 content (x = 0-1) led to the decrease of epsilon(r) from 62.98 to 23.94. As a result of the high Q x f of ZnNb2O6 ceramics, the increase of ZnNb2O6 content also led to the lower sintering temperatures and the higher Q x f values. The (f) value was reduced from +108.04 (x = 0) to - 49.31 ppm/degrees C (x = 1). Among them, high density 0.5CoTiNb(2)O(8)-0.5ZnNb(2)O(6) ceramics were obtained at 1175 degrees C with excellent microwave dielectric properties of epsilon(r) 39.2, Q x f 40013 GHz, and (f)+3.57 ppm/degrees C.
Keywordsolid-state reaction (1-x)CoTiNb2O8-xZnNb(2)O(6) ceramics crystal structure microwave dielectric property
DOI10.1007/s40145-018-0308-y
Language英语
WOS KeywordNORMAL-COORDINATE ANALYSIS ; INFRARED REFLECTIVITY ; MICROWAVE-FREQUENCIES ; NIZRNB2O8 ; ZN
Funding ProjectNational Natural Science Foundation of China[51772022]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000471619900007
PublisherSPRINGEROPEN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/29998
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Yingchun
Affiliation1.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wu, Mengjuan,Zhang, Yingchun,Xiang, Maoqiao. Synthesis, characterization and dielectric properties of a novel temperature stable (1-x)CoTiNb2O8-xZnNb(2)O(6) ceramic[J]. JOURNAL OF ADVANCED CERAMICS,2019,8(2):228-237.
APA Wu, Mengjuan,Zhang, Yingchun,&Xiang, Maoqiao.(2019).Synthesis, characterization and dielectric properties of a novel temperature stable (1-x)CoTiNb2O8-xZnNb(2)O(6) ceramic.JOURNAL OF ADVANCED CERAMICS,8(2),228-237.
MLA Wu, Mengjuan,et al."Synthesis, characterization and dielectric properties of a novel temperature stable (1-x)CoTiNb2O8-xZnNb(2)O(6) ceramic".JOURNAL OF ADVANCED CERAMICS 8.2(2019):228-237.
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