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Tunable ferroelectric properties in (K0.5Na0.5)NbO3 ceramics fabricated by a simple modification of the conventional sintering technique

文献类型：期刊论文

作者Li, Jiacheng1; Hou, Ying1; Ye, Tingting2; Ding, Tianle1; Ding, Junfeng2; Liang, Ruihong3
刊名ADVANCES IN APPLIED CERAMICS
出版日期2021-09-17
ISSN号1743-6753
关键词Potassium sodium niobate three-step sintering method dielectric materials ferroelectric materials
DOI10.1080/17436753.2021.1899729
通讯作者Hou, Ying(houying@ecust.edu.cn)
英文摘要In this work, a modified sintering method, i.e. the three-step sintering technology, has been applied to fabricate the K0.5Na0.5NbO3 ceramics. The impact of the detailed sintering conditions on the sinterability, dielectric and ferroelectric properties of K0.5Na0.5NbO3 is systematically investigated. Attributed to the three-step sintering, the highest density of 4.07 g cm(-3) can be observed, which is strongly improved compared with that of the single-step sintering technique and is increased up to 90% of the theoretical density. Furthermore, through the analysis on the tunability of the dielectric and ferroelectric performances, it is found that the maxima of permittivity and polarisation can be obtained in K0.5Na0.5NbO3 sintering at 1160-1220-1120 degrees C. These results illustrate that both the dielectric and ferroelectric behaviours can be effectively modulated through the simple modification of sintering technique, which would provide a novel route to achieve tunable electrical properties in ferroelectrics.
WOS关键词LEAD-FREE PIEZOCERAMICS ; PIEZOELECTRIC PROPERTIES ; DIELECTRIC-PROPERTIES ; ELECTRICAL-PROPERTIES ; PHASE-TRANSITION ; GRAIN-SIZE ; PERFORMANCE ; MICROSTRUCTURE
资助项目National Natural Science Foundation of China[91963116] ; Natural Science Foundation of Shanghai[19ZR1411900] ; Key Laboratory of Inorganic Functional Materials and Devices, Chinese Academy of Sciences[KLIFMD201707] ; Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences[2018KLMP01]
WOS研究方向Materials Science
语种英语
出版者TAYLOR & FRANCIS LTD
WOS记录号WOS:000696853400001
资助机构National Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Key Laboratory of Inorganic Functional Materials and Devices, Chinese Academy of Sciences ; Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/125335]  
专题中国科学院合肥物质科学研究院
通讯作者Hou, Ying
作者单位1.East China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Funct Mat & Devices, Shanghai, Peoples R China
推荐引用方式
GB/T 7714		 Li, Jiacheng,Hou, Ying,Ye, Tingting,et al. Tunable ferroelectric properties in (K0.5Na0.5)NbO3 ceramics fabricated by a simple modification of the conventional sintering technique[J]. ADVANCES IN APPLIED CERAMICS,2021.
APA Li, Jiacheng,Hou, Ying,Ye, Tingting,Ding, Tianle,Ding, Junfeng,&Liang, Ruihong.(2021).Tunable ferroelectric properties in (K0.5Na0.5)NbO3 ceramics fabricated by a simple modification of the conventional sintering technique.ADVANCES IN APPLIED CERAMICS.
MLA Li, Jiacheng,et al."Tunable ferroelectric properties in (K0.5Na0.5)NbO3 ceramics fabricated by a simple modification of the conventional sintering technique".ADVANCES IN APPLIED CERAMICS (2021).

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来源：合肥物质科学研究院

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