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Topological polar structures in ferroelectric oxide films
Tang, Y. L.1; Zhu, Y. L.1,2; Ma, X. L.1,3
Corresponding AuthorMa, X. L.(xlma@imr.ac.cn)
2021-05-28
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume129Issue:20Pages:9
AbstractThe continuous rotation of electric dipoles, which is inspired by unusual spin textures in magnetic materials, has been envisioned by theoretical modelings in last two decades. Although in electrically polar systems it was thought to be difficult to introduce continuous rotation of electric dipoles since similar Dzyaloshinskii-Moriya interaction like that of ferromagnets is still under study, external strains and interface depolarization fields have been then identified to be critical for rotating electric dipoles in nano-scale oxide films/superlattices. In this Perspective, we will briefly summarize the experimental finding of the newly identified topological polar structures and corresponding properties, such as polar flux-closure, vortex, skyrmion lattice, and meron. The critical importance of microscopy technologies, especially the advanced aberration-corrected transmission electron microscopy with ultra-high spatial resolutions, will be emphasized. Moreover, physical aspects to be addressed in the future, such as the strain maintenance and relaxation mechanisms of polar systems/superlattices, atomic maps of three-dimensional topological polar structures, and flexoelectricity-related properties, will be highlighted and envisioned.
Funding OrganizationNational Natural Science Foundation of China (NNSFC) ; Key Research Program of Frontier Sciences CAS ; Scientific Instrument Developing Project of CAS ; Youth Innovation Promotion Association of CAS
DOI10.1063/5.0044758
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NNSFC)[51922100] ; National Natural Science Foundation of China (NNSFC)[51971223] ; National Natural Science Foundation of China (NNSFC)[51671194] ; Key Research Program of Frontier Sciences CAS[QYZDJ-SSW-JSC010] ; Scientific Instrument Developing Project of CAS[YJKYYQ20200066] ; Youth Innovation Promotion Association of CAS[Y202048]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000681696600002
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159596
Collection中国科学院金属研究所
Corresponding AuthorMa, X. L.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Wenhua Rd 72, Shenyang 110016, Peoples R China
2.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
3.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Langongping Rd 287, Lanzhou 730050, Peoples R China
Recommended Citation
GB/T 7714
Tang, Y. L.,Zhu, Y. L.,Ma, X. L.. Topological polar structures in ferroelectric oxide films[J]. JOURNAL OF APPLIED PHYSICS,2021,129(20):9.
APA Tang, Y. L.,Zhu, Y. L.,&Ma, X. L..(2021).Topological polar structures in ferroelectric oxide films.JOURNAL OF APPLIED PHYSICS,129(20),9.
MLA Tang, Y. L.,et al."Topological polar structures in ferroelectric oxide films".JOURNAL OF APPLIED PHYSICS 129.20(2021):9.
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