Magnetism in curved geometries

R Streubel, P Fischer, F Kronast… - Journal of Physics D …, 2016 - iopscience.iop.org
Extending planar two-dimensional structures into the three-dimensional space has become
a general trend in multiple disciplines, including electronics, photonics, plasmonics and …

Skyrmion propagation along curved racetracks

VL Carvalho-Santos, MA Castro… - Applied Physics …, 2021 - pubs.aip.org
The interplay between curvature and magnetization is a cornerstone in magnetism. Thus, in
this work, we address the role of curvature on the propagation of magnetic skyrmions along …

Vortex-antivortex pairs induced by curvature in toroidal nanomagnets

S Vojkovic, VL Carvalho-Santos, JM Fonseca… - Journal of Applied …, 2017 - pubs.aip.org
We show that the curvature of nanomagnets can be used to induce chiral textures in the
magnetization field. Among the phenomena related to the interplay between the geometry …

[HTML][HTML] Curvature-induced enhancement of thermal stability of skyrmions

AG Silva-Junior, JM Fonseca, JI Costilla… - Journal of Applied …, 2024 - pubs.aip.org
Geometry plays an important role in the nucleation, stabilization, and manipulation of
magnetization patterns within magnetic nanoelements. This work analyzes the impact of …

Curvature-induced emergence of a second critical field for domain wall dynamics in bent nanostripes

GHR Bittencourt, R Moreno, R Cacilhas… - Applied Physics …, 2021 - pubs.aip.org
We investigate the dynamics of a transverse domain wall (DW) in a bent nanostripe under
an external field and spin-polarized current. Besides the standard Walker breakdown …

Torsion-induced effects in magnetic nanowires

DD Sheka, VP Kravchuk, KV Yershov, Y Gaididei - Physical Review B, 2015 - APS
A magnetic helix wire is one of the simplest magnetic systems which manifests properties of
both curvature and torsion. Possible equilibrium magnetization states in the helix wire with …

Manipulating the shape of flexible magnetic nanodisks with meronlike magnetic states

B Miranda-Silva, PHC Taveira, AW Teixeira… - Physical Review B, 2022 - APS
The control of the magnetic properties of shapeable devices and the manipulation of flexible
structures by external magnetic fields is a keystone of future magnetoelectronics-based …

Tuning domain wall dynamics by sha** nanowires cross-sections

D Altbir, JM Fonseca, O Chubykalo-Fesenko… - Scientific Reports, 2020 - nature.com
The understanding of the domain wall (DW) dynamics along magnetic nanowires is crucial
for spintronic applications. In this work, we perform a detailed analysis of the transverse DW …

Coupling of skyrmions mediated by the RKKY interaction

R Cacilhas, VL Carvalho-Santos, S Vojkovic… - Applied Physics …, 2018 - pubs.aip.org
A discussion on the interaction between skyrmions in a bi-layer system connected by a non-
magnetic metal is presented. Using a free charge carrier model, we have shown that …

Magnetization ground state and reversal modes of magnetic nanotori

S Vojkovic, AS Nunez, D Altbir… - Journal of Applied …, 2016 - pubs.aip.org
In this work, and by means of micromagnetic simulations, we study the magnetic properties
of toroidal nanomagnets. The magnetization ground state for different values of the aspect …