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Giant tuning of ferroelectricity in single crystals by thickness engineering
Chen, ZB; Li, F; Huang, QW; Liu, F; Wang, FF; Ringer, SP; Luo, HS; Zhang, SJ; Chen, LQ; Liao, XZ
2020-10-01
Source PublicationSCIENCE ADVANCES
ISSN2375-2548
Issue42
SubtypeArticle
AbstractThickness effect and mechanical tuning behavior such as strain engineering in thin-film ferroelectrics have been extensively studied and widely used to tailor the ferroelectric properties. However, this is never the case in freestanding single crystals, and conclusions from thin films cannot be duplicated because of the differences in the nature and boundary conditions of the thin-film and freestanding single-crystal ferroelectrics. Here, using in situ biasing transmission electron microscopy, we studied the thickness-dependent domain switching behavior and predicted the trend of ferroelectricity in nanoscale materials induced by surface strain. We discovered that sample thickness plays a critical role in tailoring the domain switching behavior and ferroelectric properties of single-crystal ferroelectrics, arising from the huge surface strain and the resulting surface reconstruction. Our results provide important insights in tuning polarization/domain of single-crystal ferroelectric via sample thickness engineering.
DOI10.1126/sciadv.abc7156
WOS KeywordDOMAIN-WALL MOBILITY ; ULTRAHIGH PIEZOELECTRICITY ; FILMS ; DEFECTS ; GROWTH ; STRAIN
Language英语
WOS Research AreaScience & Technology - Other Topics
PublisherAMER ASSOC ADVANCEMENT SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27710
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, ZB,Li, F,Huang, QW,et al. Giant tuning of ferroelectricity in single crystals by thickness engineering[J]. SCIENCE ADVANCES,2020(42).
APA Chen, ZB.,Li, F.,Huang, QW.,Liu, F.,Wang, FF.,...&Liao, XZ.(2020).Giant tuning of ferroelectricity in single crystals by thickness engineering.SCIENCE ADVANCES(42).
MLA Chen, ZB,et al."Giant tuning of ferroelectricity in single crystals by thickness engineering".SCIENCE ADVANCES .42(2020).
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