Tuning nano-skyrmions and nano-skyrmioniums in Janus magnets

Dong, H. M.; Fu, P. P.; Duan, Y. F.; Chang, K.

doi:10.1039/d3nr02181e

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2024

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Cited by 2 publications

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“…2 The use of two-dimensional (2D) materials presents exciting possibilities for the creation of innovative nanodevices. 3 However, the corresponding theoretical investigations are still lagging.…”

Section: Introductionmentioning

confidence: 99%

Interface thermal conductivities induced by van der Waals interactions

Dong,

Liang,

Tao

et al. 2024

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Interface thermal conductivities induced by van der Waals interactions

Dong,

Liang,

Tao

et al. 2024

Phys. Chem. Chem. Phys.

Self Cite

View full text Add to dashboard Cite

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Ultrafast manipulations of nanoscale skyrmioniums

Dong,

Fu,

Duan

et al. 2024

Journal of Applied Physics

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The advancement of next-generation magnetic devices depends on fast manipulating magnetic microstructures at the nanoscale. A universal method is presented for rapid and reliable generating, controlling, and driving nano-scale skyrmioniums, through high-throughput micromagnetic simulations. Ultrafast switches are realized between skyrmionium and skyrmion states and rapidly change their polarities in monolayer magnetic nanodisks by perpendicular magnetic fields. The transition mechanism by alternating magnetic fields differs from that under steady magnetic fields. New skyrmionic textures, such as flower-like and windmill-like skyrmions, are discovered. Moreover, this nanoscale skyrmionium can move rapidly and stably in nanoribbons using weaker spin-polarized currents. Explicit discussions are held regarding the physical mechanisms involved in ultrafast manipulations of skyrmioniums. This work provides further physical insights into the manipulation and application of topological skyrmionic structures for developing low-power consumption and nanostorage devices.

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Tuning nano-skyrmions and nano-skyrmioniums in Janus magnets

Abstract: We study non-trivial spin textures, nanoscale magnetic skyrmions and skyrmioniums, in two-dimensional (2D) Janus magnets, such as MnSTe and MnSeTe, based on the micromagnetism approach and Landau-Lifshitz-Gilbert (LLG) equation. It...

Cited by 2 publications

References 27 publications

Interface thermal conductivities induced by van der Waals interactions

Interface thermal conductivities induced by van der Waals interactions

Ultrafast manipulations of nanoscale skyrmioniums

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