New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures

D Makarov, OM Volkov, A Kákay… - Advanced …, 2022 - Wiley Online Library
Traditionally, the primary field, where curvature has been at the heart of research, is the
theory of general relativity. In recent studies, however, the impact of curvilinear geometry …

Skyrmion-bimeron dynamic conversion in magnetic nanotracks

MA Castro, D Altbir, D Galvez-Poblete, RM Corona… - Physical Review B, 2023 - APS
In this paper, we address the skyrmion-bimeron dynamical transformation during the
propagation of such structures along a magnetic nanotrack with anisotropy gradients. Using …

Spontaneous skyrmion conformal lattice and transverse motion during dc and ac compression

JCB Souza, NP Vizarim, CJO Reichhardt… - New Journal of …, 2023 - iopscience.iop.org
We use atomistic-based simulations to investigate the behavior of ferromagnetic skyrmions
being continuously compressed against a rigid wall under dc and ac drives. The …

Curvature-induced stabilization and field-driven dynamics of magnetic hopfions in toroidal nanorings

RM Corona, E Saavedra, S Castillo-Sepulveda… - …, 2023 - iopscience.iop.org
Three dimensional magnetic textures are a cornerstone in magnetism research. In this work,
we analyze the stabilization and dynamic response of a magnetic hopfion hosted in a …

[HTML][HTML] Defect modeling in skyrmionic ferromagnetic systems

N Del-Valle, J Castell-Queralt, L González-Gómez… - APL materials, 2022 - pubs.aip.org
Defects are unavoidable in real materials. Defects, either intrinsic or artificially incorporated,
can alter the material properties. In the particular case of skyrmionic ferromagnetic materials …

Stability and lifetimes of magnetic states of nano-and microstructures (brief review)

IS Lobanov, MN Potkina, VM Uzdin - JETP Letters, 2021 - Springer
A statistical approach is presented to estimate the stability of magnetic states of nano-and
microstructures to thermal fluctuations and random external actions. It implies the …

Controlled skyrmion ratchet in linear protrusion defects

JCB Souza, NP Vizarim, CJO Reichhardt, C Reichhardt… - Physical Review B, 2024 - APS
Using atomistic simulations, we investigate the dynamical behavior of a single skyrmion
interacting with an asymmetric linear protrusion array under external ac driving. The linear …

[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 …