Topological polar structures in ferroelectric oxide films

doi:10.1063/5.0044758

CORC > 金属研究所 > 中国科学院金属研究所

	Topological polar structures in ferroelectric oxide films
	Tang, Y. L.1; Zhu, Y. L.1,3; Ma, X. L.1,2
刊名	JOURNAL OF APPLIED PHYSICS
	2021-05-28
卷号	129 期号:20 页码:9
ISSN号	0021-8979
DOI	10.1063/5.0044758
通讯作者	Ma, X. L.(xlma@imr.ac.cn)
英文摘要	The 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.
资助项目	National 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研究方向	Physics
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000681696600002
资助机构	National 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
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/159595]
专题	金属研究所_中国科学院金属研究所
通讯作者	Ma, X. L.
作者单位	1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Wenhua Rd 72, Shenyang 110016, Peoples R China 2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Langongping Rd 287, Lanzhou 730050, Peoples R China 3.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
推荐引用方式 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.