Progress on elliptical magnetic skyrmions  

作　　者：Bao-Shan Cui Yong-Qiang Yang Xiao-Bin Guo Shi-Heng Liang Hao Wu Guo-Qiang Yu 

机构地区：[1]Songshan Lake Materials Laboratory,Dongguan,523808,China [2]Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing,100190,China [3]Faculty of Physics and Electronic Science,Hubei University,Wuhan,430062,China [4]School of Physics&Optoelectric Engineering,Guangdong University of Technology,Guangzhou,510006,China

出　　处：《Rare Metals》2023年第2期359-367,共9页稀有金属（英文版）

基　　金：financially supported by Guangdong Basic and Applied Basic Research Foundation(No.2020A1515110553);Science Center of the National Science Foundation of China(No.52088101);Beijing Natural Science Foundation(No.Z190009);the National Natural Science Foundation of China(NSFC,Nos.11874409 and 11904056);K.C.Wong Education Foundation(No.GJTD-2019-14);China Postdoctoral Science Foundation(No.2020M670499);Guangzhou basic and applied basic research project(No.202102020053);the startup funding from Songshan Lake Materials Laboratory(No.Y1D1071S511)。

摘　　要：Magnetic skyrmions,the topological spin textures firstly observed in chiral magnets,have aroused huge interest due to their emergent electromagnetism and potential applications in spintronics.Over the last decade,significant efforts have been devoted to skyrmion generation,stabilization,and dynamics.In most cases,the theoretical and experimental investigations have been performed in the materials where the skyrmions have a circular shape.As we know,magnetic anisotropy(K_(u))and Dzyaloshinskii-Moriya interaction(DMI)play key roles in the stabilization of the skyrmions in chiral magnets.Therefore,modifying the Kand DMI provide new degrees of freedom for studying the related physics and applications of skyrmions in addition to engineering their energetics and sizes.In this review,the latest progress on the study of the anisotropic deformation of magnetic skyrmions(i.e.,elliptical magnetic skyrmions)is summarized.The physical origins and important advantages of elliptical magnetic skyrmions are mainly focused on.This review gives an insight into the understanding of the physical mechanisms of elliptical magnetic skyrmion-hosting systems.

关 键 词：Dzyaloshinskii-Moriya interaction(DMI) Elliptical magnetic skyrmion Magnetic anisotropy(K_(u)) Skyrmion Hall effect 

分 类 号：O469[理学—凝聚态物理]