Controlling the helicity of magnetic skyrmions by electrical field in frustrated magnets

Abstract

The skyrmions generated by frustration in centrosymmetric structures host extra internal degrees of freedom: vorticity and helicity, resulting in distinctive properties and potential functionality, which are not shared by the skyrmions stemming from the Dzyaloshinskii-Moriya interaction in noncentrosymmetric structures. The present work indicates that the magnetism-driven electric polarization carried by skyrmions provides a direct handle for tuning helicity. Especially for the in-plane magnetized skyrmions, the helicity can be continuously rotated and exactly picked by applying an external electric field for both skyrmions and antiskyrmions. The in-plane uniaxial anisotropy is beneficial to this manipulation.

arXiv comment5 figures

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• Skyrmion Qubits: Challenges For Future Quantum Computing Applications
• Colloquium: Quantum Properties and Functionalities of Magnetic Skyrmions
• Magnon-Skyrmion Hybrid Quantum Systems: Tailoring Interactions via Magnons
• Low-Energy Excitations of Skyrmion Crystals in a Centrosymmetric Kondo-Lattice Magnet: Decoupled Spin-Charge Excitations and Nonreciprocity
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• Magnetoelectric Cavity Magnonics in Skyrmion Crystals
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• Modulation of skyrmionic magnetic textures in two-dimensional vdW materials and their heterostructures
• Spacetime magnetic hopfions: from internal excitations and braiding of skyrmions
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• Static and Dynamics of Twisted Skyrmion Tubes in Frustrated Magnets
• Janus skyrmion: Interfacial quasiparticle with two-faced helicity
• Antitopological magnetic textures in an antiferromagnetically coupled bilayer with frustration