Meron-antimeron annihilation induced by the electric field in a polar meron lattice

doi:10.1063/5.0086326

IMR OpenIR

	Meron-antimeron annihilation induced by the electric field in a polar meron lattice
	Wang, Y. J.1; Tang, Y. L.1; Zhu, Y. L.1,2; Ma, X. L.1,2,3
通讯作者	Ma, X. L.(xlma@imr.ac.cn)
	2022-06-14
发表期刊	JOURNAL OF APPLIED PHYSICS
ISSN	0021-8979
卷号	131 期号:22 页码:13
摘要	Polar topological domain structures may have potential applications in future memory devices. Exploring their dynamical behaviors is paramount to the device design. Here, the meron-antimeron annihilation processes induced by the electric field in ultrathin ferroelectric PbTiO3 films were studied by phase-field simulations. Two types of annihilation behaviors were identified: The merons with central polarizations parallel to the electric field will directly annihilate with their nearby antimerons; those antiparallel to the electric field will first be switched and then annihilate with antimerons. The annihilation ratio of meron-antimeron pairs (MAPs) decreases with the increase in the meron-antimeron distance. During annihilation processes, the positions of antimerons seldom change and the merons approach to antimerons at some critical electric fields. The annihilation probability of a meron is found to be closely related to its topological charge. Specifically, the restoration of an MAP from a partially annihilated state was observed under the decrease in the electric field. These results may have some indications to the development of polar-meron-based memory devices. Published under an exclusive license by AIP Publishing.
资助者	National Natural Science Foundation of China (NNSFC) ; Key Research Program of Frontier Sciences CAS ; Shenyang National Laboratory for Materials Science ; Youth Innovation Promotion Association CAS ; Scientific Instrument Developing Project of CAS
DOI	10.1063/5.0086326
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China (NNSFC)[52122101] ; National Natural Science Foundation of China (NNSFC)[51971223] ; National Natural Science Foundation of China (NNSFC)[51922100] ; 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] ; Youth Innovation Promotion Association CAS[2021187] ; Youth Innovation Promotion Association CAS[Y202048] ; Scientific Instrument Developing Project of CAS[YJKYYQ20200066]
WOS研究方向	Physics
WOS类目	Physics, Applied
WOS记录号	WOS:000811419800001
出版者	AIP Publishing
引用统计	被引频次：2[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/321006/174429
专题	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, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 2.Songshan Lake Mat Lab, Bay Area Ctr Electron Microscopy, Dongguan 523808, Guangdong, Peoples R China 3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Wang, Y. J.,Tang, Y. L.,Zhu, Y. L.,et al. Meron-antimeron annihilation induced by the electric field in a polar meron lattice[J]. JOURNAL OF APPLIED PHYSICS,2022,131(22):13.
APA	Wang, Y. J.,Tang, Y. L.,Zhu, Y. L.,&Ma, X. L..(2022).Meron-antimeron annihilation induced by the electric field in a polar meron lattice.JOURNAL OF APPLIED PHYSICS,131(22),13.
MLA	Wang, Y. J.,et al."Meron-antimeron annihilation induced by the electric field in a polar meron lattice".JOURNAL OF APPLIED PHYSICS 131.22(2022):13.