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Evolution of structure and ferroelectricity in Aurivillius Bi4Bin 3Fen 3Ti3O3n+3 thin films

文献类型：期刊论文

作者Song, Dongpo1; Yang, Jie1; Yang, Bingbing2; Chen, Liangyu1; Wang, Fang1; Zhu, Xuebin2
刊名JOURNAL OF MATERIALS CHEMISTRY C
出版日期2018-08-28
卷号6期号:32页码:11
ISSN号2050-7526
DOI10.1039/c8tc02270d
通讯作者Song, Dongpo(dpsong@just.edu.cn) ; Zhu, Xuebin(xbzhu@issp.ac.cn)
英文摘要Ferroelectric Aurivillius thin films Bi4Bin-3Fen-3Ti3O3n+3 (BFTO n = 3, 4, 5, 6) were successfully prepared on platinum-coated silicon substrate by chemical solution deposition and the ferroelectric polarization properties were investigated and detailed. Simultaneously, the dielectric and leakage current characteristics of the thin films were obtained. Evolution of the Aurivillius layer structure was confirmed by XRD and HR-TEM results. A saturated hysteresis loop with larger remanent polarization (2P(r)) and excellent retention properties are observed in all thin films. The values of 2P(r) in the film capacitors are all about 50 C cm(-2) besides the n = 3 film, in which the leakage current increases significantly in larger electric fields. The leakage current values of films Bi5FeTi3O15, Bi6Fe2Ti3O18 and Bi7Fe3Ti3O21 gradually increased with increasing n, and the leakage current mechanism was studied by various conduction mechanisms. The combined relationships of the ferroelectric polarization, leakage current, polarization fatigue and retention of BFTO thin films are discussed in terms of the structural characteristics, aggregation of oxygen vacancies and crystallite grain size in the films. The results of optimization of the ferroelectric properties in Aurivillius phase thin films with higher n by chemical solution deposition are useful for further exploration of single-phase multiferroics in the Aurivillius family and other layer structure compounds with potential applications in the field of ferroelectric-based data storage.
WOS关键词LAYERED PEROVSKITES ; TEMPERATURE ; OXIDES
资助项目National NSFC[U1432137] ; Natural Science Foundation of the Higher Education Institutions of Jiangsu Province[17KJB140006] ; Scientific Research Foundation of Jiangsu University of Science and Technology[1052931611]
WOS研究方向Materials Science ; Physics
语种英语
出版者ROYAL SOC CHEMISTRY
WOS记录号WOS:000442612500003
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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/38064]  
专题合肥物质科学研究院_中科院固体物理研究所
通讯作者Song, Dongpo; Zhu, Xuebin
作者单位1.Jiangsu Univ Sci & Technol, Dept Phys, Zhenjiang 212003, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Song, Dongpo,Yang, Jie,Yang, Bingbing,et al. Evolution of structure and ferroelectricity in Aurivillius Bi4Bin 3Fen 3Ti3O3n+3 thin films[J]. JOURNAL OF MATERIALS CHEMISTRY C,2018,6(32):11.
APA Song, Dongpo,Yang, Jie,Yang, Bingbing,Chen, Liangyu,Wang, Fang,&Zhu, Xuebin.(2018).Evolution of structure and ferroelectricity in Aurivillius Bi4Bin 3Fen 3Ti3O3n+3 thin films.JOURNAL OF MATERIALS CHEMISTRY C,6(32),11.
MLA Song, Dongpo,et al."Evolution of structure and ferroelectricity in Aurivillius Bi4Bin 3Fen 3Ti3O3n+3 thin films".JOURNAL OF MATERIALS CHEMISTRY C 6.32(2018):11.

入库方式： OAI收割

来源：合肥物质科学研究院

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