Absence of critical thickness for polar skyrmions with breaking the Kittel's law

doi:10.1038/s41467-023-39169-y

IMR OpenIR

	Absence of critical thickness for polar skyrmions with breaking the Kittel's law
	Gong, Feng-Hui 1,2; Tang, Yun-Long 1; Wang, Yu-Jia 1; Chen, Yu-Ting 1,2; Wu, Bo 3; Yang, Li-Xin 1; Zhu, Yin-Lian 1,3; Ma, Xiu-Liang 1,3,4
通讯作者	Zhu, Yin-Lian(ylzhu@imr.ac.cn) ; Ma, Xiu-Liang(xlma@iphy.ac.cn)
	2023-06-08
发表期刊	NATURE COMMUNICATIONS
卷号	14 期号:1 页码:9
摘要	The period of polar domain (d) in ferroics as commonly believed to scale with corresponding film thicknesses (h), following the classical Kittel's law of d proportional to root h. Here, we have not only observed that this relationship fails in the case of polar skyrmions, where the period shrinks nearly to a constant value, or even experiences a slight increase, but also discovered that skyrmions have further persisted in [(PbTiO3)(2)/(SrTiO3)(2)](10) ultrathin superlattices. Both experimental and theoretical results indicate that the skyrmion periods (d) and PbTiO3 layer thicknesses in superlattice (h) obey the hyperbolic function of d= Ah + B/h other than previous believed, simple square root law. Phase-field analysis indicates that the relationship originates from the different energy competitions of the superlattices with PbTiO3 layer thicknesses. This work exemplified the critical size problems faced by nanoscale ferroelectric device designing in the post-Moore era.
资助者	National Natural Science Foundation of China ; Key Research Program of Frontier Sciences CAS ; Shenyang National Laboratory for Materials Science ; Scientific Instrument Developing Project of CAS ; Youth Innovation Promotion Association CAS
DOI	10.1038/s41467-023-39169-y
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51971223] ; National Natural Science Foundation of China[51922100] ; National Natural Science Foundation of China[52122101] ; Key Research Program of Frontier Sciences CAS[QYZDJ-SSW-JSC010] ; Shenyang National Laboratory for Materials Science[L2019R06] ; Shenyang National Laboratory for Materials Science[L2019R08] ; Shenyang National Laboratory for Materials Science[L2019F01] ; Shenyang National Laboratory for Materials Science[L2019F13] ; Scientific Instrument Developing Project of CAS[YJKYYQ20200066] ; Youth Innovation Promotion Association CAS[Y202048] ; Youth Innovation Promotion Association CAS[2021187]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001047512000041
出版者	NATURE PORTFOLIO
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/178925
专题	中国科学院金属研究所
通讯作者	Zhu, Yin-Lian; Ma, Xiu-Liang
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.Univ Sci & Technol China, Sch Mat Sci & Engn, Wenhua Rd 72, Shenyang 110016, Peoples R China 3.Songshan Lake Mat Lab, Bay Area Ctr Elect Microscopy, Dongguan 523808, Peoples R China 4.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Gong, Feng-Hui,Tang, Yun-Long,Wang, Yu-Jia,et al. Absence of critical thickness for polar skyrmions with breaking the Kittel's law[J]. NATURE COMMUNICATIONS,2023,14(1):9.
APA	Gong, Feng-Hui.,Tang, Yun-Long.,Wang, Yu-Jia.,Chen, Yu-Ting.,Wu, Bo.,...&Ma, Xiu-Liang.(2023).Absence of critical thickness for polar skyrmions with breaking the Kittel's law.NATURE COMMUNICATIONS,14(1),9.
MLA	Gong, Feng-Hui,et al."Absence of critical thickness for polar skyrmions with breaking the Kittel's law".NATURE COMMUNICATIONS 14.1(2023):9.