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相关论文: Unravelling spontaneous Bloch-type skyrmion in cen…

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Magnetic skyrmions in two-dimensional lattice are a prominent topic of condensed matter physics and material science. Current research efforts in this field are exclusively constrained to Neel-type and antiskyrmion, while Bloch-type…

材料科学 · 物理学 2023-04-04 Wenhui Du , Kaiying Dou , Ying Dai , Baibiao Huang , Yandong Ma

Recently, there has been substantial interest in realizations of skyrmions, in particular in 2D systems due to increased stability resulting from reduced dimensionality. A stable skyrmion, representing the smallest realizable magnetic…

介观与纳米尺度物理 · 物理学 2016-03-02 Utkan Güngördü , Rabindra Nepal , Oleg A. Tretiakov , Kirill Belashchenko , Alexey A. Kovalev

Magnetic skyrmions in 2D chiral magnets are in general stabilized by a combination of Dzyaloshinskii-Moriya interaction and external magnetic field. Here, we show that skyrmions can also be stabilized in twisted moir\'e superlattices in the…

强关联电子 · 物理学 2021-04-21 Muhammad Akram , Onur Erten

Recent developments have led to an explosion of activity on skyrmions in three-dimensional (3D) chiral magnets. Experiments have directly probed these topological spin textures, revealed their nontrivial properties, and led to suggestions…

强关联电子 · 物理学 2014-09-11 Sumilan Banerjee , James Rowland , Onur Erten , Mohit Randeria

Magnetic solitons are promising for applications due to their intrinsic properties such as small size, topological stability, ultralow power manipulation and potentially ultrafast operations. To date, research has focused on the…

The experimental realization of magnetic skyrmions in centrosymmetric materials has been driven by theoretical understanding of how a delicate balance of anisotropy and frustration can stabilize topological spin structures in applied…

Magnetic skyrmions, topologically protected chiral spin swirling quasiparticles, have attracted great attention in fundamental physics and applications. Recently, the discovery of two-dimensional (2D) van der Waals (vdW) magnets has aroused…

材料科学 · 物理学 2022-06-14 Yonglong Ga , Qirui Cui , Yingmei Zhu , Dongxing Yu , Liming Wang , Jinghua Liang , Hongxin Yang

Realizing sizeable Dzyaloshinskii-Moriya interaction (DMI) in intrinsic two-dimensional (2D) magnets without any manipulation will greatly enrich potential application of spintronics devices. The simplest and most desirable situation should…

材料科学 · 物理学 2022-09-26 Yonglong Ga , Qirui Cui , Jinghua Liang , Dongxing Yu , Yingmei Zhu , Liming Wang , Hongxin Yang

We report the results of simulations of magnetic skyrmion stability in ultrathin magnetic multilayer nanodots with interfacial Dzyaloshinskii-Moriya exchange interaction (DMI). We found that in presence of the lateral confinement the…

介观与纳米尺度物理 · 物理学 2017-11-22 M. Zelent , J. Tóbik , M. Krawczyk , K. Y. Guslienko , M. Mruczkiewicz

It is common for the local inversion symmetry to break in crystals, even though the whole crystal has global inversion symmetry. This local inversion symmetry breaking allows for a local Dzyaloshinsky-Moriya interaction (DMI) in magnetic…

材料科学 · 物理学 2024-05-17 Shi-Zeng Lin

Skyrmions are emerging topological spin structures that are potentially revolutionary for future data storage and spintronics applications. The existence and stability of skyrmions in magnetic materials is usually associated to the presence…

介观与纳米尺度物理 · 物理学 2018-03-14 R. L. Novak , F. Garcia , E. R. P. Novais , J. P. Sinnecker , A. P. Guimarães

Magnetic skyrmions in chiral-lattice ferromagnets are currently attracting enormous research interest because of their potential applications in spintronic devices. However, they emerge in bulk specimens only in a narrow window of…

介观与纳米尺度物理 · 物理学 2020-03-17 Kohei Tanaka , Ryosuke Sugawara , Masahito Mochizuki

Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One challenge for using these magnetic states in applications lies on controlling the…

介观与纳米尺度物理 · 物理学 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

Topologically protected nanoscale spin textures, such as magnetic skyrmions, have attracted significant interest for spintronics applications. While skyrmions in noncentrosymmetric materials are known to be stabilized by…

Magnetic skyrmions are topologically protected spin structures that naturally emerge in magnetic materials. While a vast amount of effort has gone into the study of their properties, their counterpart of opposite topological charge, the…

强关联电子 · 物理学 2021-10-01 Juan C. Criado , Peter D. Hatton , Sebastian Schenk , Michael Spannowsky , Luke A. Turnbull

Magnetic skyrmions are textures behaving as quasiparticles which are topologically different from other states. Their discovery in systems with broken inversion symmetry sparked the search for materials containing such magnetic phase at…

Magnetic skyrmions were thought to be stabilised only in inversion-symmetry breaking structures, but skyrmion lattices were recently discovered in inversion symmetric Gd-based compounds, spurring questions of the stabilisationmechanism. A…

As a fundamental magnetic parameter, Dzyaloshinskii-Moriya interaction (DMI), has gained a great deal of attention in the last two decades due to its critical role in formation of magnetic skyrmions. Recent discoveries of two-dimensional…

材料科学 · 物理学 2022-05-18 Qirui Cui , Yingmei Zhu , Yonglong Ga , Jinghua Liang , Peng Li , Dongxing Yu , Ping Cui , Hongxin Yang

The realization of magnetic skyrmions in nanostructures holds great promise for both fundamental research and device applications. Despite recent progress, intrinsic magnetic skyrmions in two-dimensional lattice are still rarely explored.…

材料科学 · 物理学 2022-05-11 Wenhui Du , Kaiying Dou , Zhonglin He , Ying Dai , Baibiao Huang , Yandong Ma

Magnetic skyrmions present interesting physics due to their topological nature and hold significant promise for future information technologies. A key barrier to realizing skyrmion devices has been stabilizing these spin structures under…

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