Fundamental theory of current-induced motion of magnetic skyrmions

Y Ohki, M Mochizuki - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Magnetic skyrmions are topological spin textures that appear in magnets with broken spatial
inversion symmetry as a consequence of competition between the (anti) ferromagnetic …

Electric field control of the skyrmion Hall effect in piezoelectric-magnetic devices

M Fattouhi, F García-Sánchez, R Yanes, V Raposo… - Physical Review …, 2021 - APS
Relying on both electromechanical and micromagnetic simulations, we propose a method to
control the trajectory of current-driven skyrmions using an electric field in hybrid piezoelectric …

Unified theory of the anomalous and topological Hall effects with phase-space Berry curvatures

N Verma, Z Addison, M Randeria - Science Advances, 2022 - science.org
Spontaneously broken time-reversal symmetry in magnetic materials leads to a Hall
response, with a nonzero voltage transverse to an applied current, even in the absence of …

Engineering antiferromagnetic skyrmions and antiskyrmions at metallic interfaces

A Mukherjee, DS Kathyat, S Kumar - Physical Review B, 2022 - APS
We identify a mechanism to convert skyrmions and antiskyrmions into their antiferromagnetic
(AFM) counterparts via interface engineering. The key idea is to combine properties of an …

Unconventional skyrmions in an interfacial frustrated triangular lattice

A Mukherjee, AB Sanyal, E Dagotto - Physical Review B, 2023 - APS
Magnetic skyrmions are spin topological textures of potential interest in spintronics-related
data storage and processing devices. Here, we show the emergence of unconventional …

Mixed Bloch-Néel type skyrmions in a two-dimensional lattice

Z He, K Dou, W Du, Y Dai, B Huang, Y Ma - Physical Review B, 2024 - APS
Magnetic skyrmions in two-dimensional lattice attract considerable interest for their
fundamental physics, which, however, suffers from the deleterious skyrmion Hall effect. So …

Unconventional Hall effect and its variation with Co-do** in van der Waals Fe3GeTe2

RR Chowdhury, S DuttaGupta, C Patra, OA Tretiakov… - Scientific reports, 2021 - nature.com
Abstract Two-dimensional (2D) van der Waals (vdW) magnetic materials have attracted a lot
of attention owing to the stabilization of long range magnetic order down to atomic …

Role of an additional interfacial spin-transfer torque for current-driven skyrmion dynamics in chiral magnetic layers

CR MacKinnon, S Lepadatu, T Mercer, PR Bissell - Physical Review B, 2020 - APS
Skyrmions can be driven by spin-orbit torques as a result of the spin Hall effect. Here we
model an additional contribution in ultrathin multilayers, arising from the spin accumulation …

Decoupling the influences of chiral dam** and Dzyaloshinskii-Moriya interaction in chiral magnetic domain walls

CA Akosa, G Tatara, A Manchon, M Mochizuki - Physical Review B, 2024 - APS
We revisit the nature and impact of both the chiral dam** (CD) and Dzyaloshinskii-Moriya
interaction (DMI) in uniaxial chiral ferromagnetic nanowires with broken inversion symmetry …

Skyrmions and magnetic bubbles in spin-orbit coupled metallic magnets

D Rana, S Dash, M Bhakar, RR Chowdhury, RP Singh… - Physical Review B, 2023 - APS
Motivated by the observation of Skyrmion-like magnetic textures in two-dimensional (2D)
itinerant ferromagnets Fe n GeTe 2 (n≥ 3), we develop a microscopic model combining …