Micromagnetic manipulation and spin excitation of skyrmionic structures

L Bo, C Hu, R Zhao, X Zhang - Journal of Physics D: Applied …, 2022 - iopscience.iop.org
Magnetic skyrmions have attracted signficant research interest across a wide range of fields,
from condensed matter physics to material science, since the first observation in 2009 …

Spin excitation spectrum of a magnetic hopfion

L Bo, L Ji, C Hu, R Zhao, Y Li, J Zhang… - Applied Physics …, 2021 - pubs.aip.org
Magnetic hopfions are three-dimensional topological solitons with a nontrivial Hopf index.
Here, we theoretically investigated the spin excitation spectrum and revealed corresponding …

[HTML][HTML] Dynamic excitations of chiral magnetic textures

M Lonsky, A Hoffmann - APL Materials, 2020 - pubs.aip.org
Spin eigenexcitations of skyrmions and related chiral magnetic textures have attracted
considerable interest over the recent years owing to their strong potential for applications in …

Intrinsic DMI-free skyrmion formation and robust dynamic behaviors in magnetic hemispherical shells

J Yang, C Abert, D Suess, SK Kim - Scientific Reports, 2021 - nature.com
We performed finite-element micromagnetic simulations to examine the formation of
skyrmions without intrinsic Dzyaloshinskii–Moriya interaction (DMI) in magnetic …

Spin wave mode coupling in antiskyrmions induced by rotational symmetry breaking

Z Cheng, H Chen, S Huang, Y Wu - Physical Review B, 2024 - APS
The antiskyrmion, as a topological structure, can be stabilized by anisotropic Dzyaloshinskii-
Moriya interaction. We investigated the dynamic properties of antiskyrmions through …

Effect of curvature on the eigenstates of magnetic skyrmions

A Korniienko, A Kákay, DD Sheka, VP Kravchuk - Physical Review B, 2020 - APS
Spectrum of spin eigenmodes localized on a ferromagnetic skyrmion pinned by a
geometrical defect (bump) of magnetic films is studied theoretically. By means of direct …

[HTML][HTML] Magnon spectrum of Bloch hopfion beyond ferromagnetic resonance

K Sobucki, M Krawczyk, O Tartakivska, P Graczyk - APL Materials, 2022 - pubs.aip.org
With the development of new nanofabrication technologies and measurement techniques,
the interest of researchers is moving toward 3D structures and 3D magnetization textures …

Field-tuned spin excitation spectrum of kπ skyrmion

C Song, Y Ma, C **, J Wang, H **a… - New Journal of …, 2019 - iopscience.iop.org
We study spin wave excitation modes of kπ skyrmion (k= 1, 2, 3) in a magnetic nanodot
under an external magnetic field along the z direction using micromagnetic simulations …

Stabilization and dynamics of magnetic antivortices in a nanodisk with anisotropic Dzyaloshinskii-Moriya interaction

X Hu, XS Wang, Z Wang - Physical Review B, 2024 - APS
We theoretically investigated the antivortex stabilized by anisotropic Dzyaloshinskii-Moriya
interaction (DMI) in nanodisks. Remarkably, we found that the antivortex remains stable …

Magnonic key based on skyrmion clusters

E Saavedra, F Tejo, N Vidal-Silva, J Escrig - Scientific Reports, 2021 - nature.com
In this work, we report the excitation of spin-waves modes in skyrmion clusters hosted in
Co/Pt nanodots by applying an in-plane magnetic field pulse. The direction at which the …