Electrical detection of magnetic skyrmions in a magnetic tunnel junction

Y Guang, L Zhang, J Zhang, Y Wang… - Advanced Electronic …, 2023‏ - Wiley Online Library
Magnetic skyrmions are promising information carriers for dense and energy‐efficient
information storage owing to their small size, low driving‐current density, and topological …

Bending skyrmion strings under two-dimensional thermal gradients

K Ran, W Tan, X Sun, Y Liu, RM Dalgliesh… - Nature …, 2024‏ - nature.com
Magnetic skyrmions are topologically protected magnetization vortices that form three-
dimensional strings in chiral magnets. With the manipulation of skyrmions being key to their …

Creation of Room-Temperature Sub-100 nm Antiferromagnetic Skyrmions in an Antiferromagnet IrMn through Interfacial Exchange Coupling

B He, H **, D Zheng, Y Liu, J Li, Y Hu, Y Wang… - Nano Letters, 2024‏ - ACS Publications
Antiferromagnetic (AFM) skyrmions are magnetic vortices composed of antiparallell-aligned
neighboring spins. In stark contrast to conventional skyrmions based on ferromagnetic order …

Bloch points and topological dipoles observed by X-ray vector magnetic tomography in a ferromagnetic microstructure

J Hermosa, A Hierro-Rodríguez, C Quirós… - Communications …, 2023‏ - nature.com
Bloch points are small 3D magnetic textures with unit topological charge that require the use
of advanced vector imaging techniques for their direct experimental characterization. Here …

Evolution of emergent monopoles into magnetic skyrmion strings

H **, W Tan, Y Liu, K Ran, R Fan, Y Shangguan… - Nano …, 2023‏ - ACS Publications
Topological defects are fundamental concepts in physics, but little is known about the
transition between distinct types across different dimensionalities. In topological magnetism …

Formation of magnetic biskyrmions mediated by an intrinsic emergent monopole-antimonopole pair

CJ Wang, P Wang, Y Zhou, W Wang, F Shi… - npj Quantum Materials, 2022‏ - nature.com
Various properties and potential technological applications of magnetic skyrmions have
stimulated a flourishing interest in topological spin textures. Among them, biskyrmions with a …

Slow Equilibrium Relaxation in a Chiral Magnet Mediated by Topological Defects

C Zhang, Y Wu, J Chen, H **, J Wang, R Fan… - Physical Review Letters, 2024‏ - APS
We performed a pump-probe experiment on the chiral magnet Cu 2 OSeO 3 to study the
relaxation dynamics of its noncollinear magnetic orders, employing a millisecond magnetic …

[HTML][HTML] Topological transformation of magnetic hopfion in confined geometries

Y Gao, S Li, Y Zhao, Z Zhu, L Cao, J Xu, Y Zhou… - …, 2024‏ - oaepublish.com
Abstract Three-dimensional (3D) topological magnetic structures have attracted enormous
interest due to their exceptional spatial structures and intriguing physics. Hopfions …

Observation of the skyrmion side-face state in a chiral magnet

X **e, K Ran, Y Liu, R Fan, W Tan, H **, M Valvidares… - Physical Review B, 2023‏ - APS
We identify a three-dimensional skyrmion side-face state in chiral magnets that consists of a
thin layer of modulated surface spirals and an array of phase-locked skyrmion screws. Such …

Axially bound magnetic skyrmions: Glueing topological strings across an interface

K Ran, Y Liu, H **, Y Shangguan, Y Guang, J Wen… - Nano Letters, 2022‏ - ACS Publications
A major challenge in topological magnetism lies in the three-dimensional (3D) exploration of
their magnetic textures. A recent focus has been the question of how 2D skyrmion sheets …