Modulation of skyrmionic magnetic textures in two-dimensional vdW materials and their heterostructures

Abstract

The intrinsic magnetism observed in two-dimensional (2D) van der Waals (vdW) materials provides a unique opportunity for exploring the 2D topological magnetic textures, in particular skyrmionic magnetic textures (SMTs) including skyrmion and its topological equivalents. Since the experimental discovery of skyrmions in the 2D vdW materials and their heterostructures, a critical challenge lies in the control of these SMTs to translate their intriguing features into spintronic applications. Here, we review the recent experimental and theoretical progresses on the modulations of SMTs in 2D vdW monolayer materials and their heterostructures. Besides well-established basic modulation factors including temperature, magnetic field and sample thickness, we present the experimental realization of mobility and transition driven by electric current, and the theoretical prediction of diverse magnetoelectric modulations by electric field. Considering the 2D character of vdW layered materials, strain and stacking style are also efficient approaches to tune the magnetic textures.

19 pages, 6 figures; a review

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Cited by in corpus (7)

• Room-temperature sub-100 nm Néel-type skyrmions in non-stoichiometric van der Waals ferromagnet $\mathrm{F}{\mathrm{e}}_{3-\mathrm{x}}\mathrm{GaT}{\mathrm{e}}_2$ with ultrafast laser writability
• Manipulation of magnetic topological textures via perpendicular strain and polarization in van der Waals magnetoelectric heterostructure
• Electric field control of moiré skyrmion phases in twisted multiferroic NiI${}_2$ bilayers
• Frustration-induced magnetic bimerons in transition metal halide CoX2 (X = Cl, Br) monolayers
• Factors affecting the topological Hall effect in strongly correlated layered magnets: spin of the magnetic atoms, polar and azimuthal angle subtended by the spin texture
• Magnetoelectric imprint of skyrmions in van der Waals bilayers
• Crescent domain-wall pairs in anisotropic two-dimensional MnOI monolayer with fast dynamics