[HTML][HTML] Building traps for skyrmions by the incorporation of magnetic defects into nanomagnets: Pinning and scattering traps by magnetic properties engineering

D Toscano, SA Leonel, PZ Coura, F Sato - Journal of Magnetism and …, 2019 - Elsevier
In this work we have used micromagnetic simulations to report four ways to build traps for
magnetic skyrmions. Magnetic defects have been modeled as local variations in the material …

Increasing thermal rectification: Effects of long-range interactions

E Pereira, RR Ávila - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
In this paper, we study the effects of the interparticle interaction range on heat flow. We show
that, by increasing the interaction range, we may amplify the thermal conductivity and even …

[PDF][PDF] ТЕОРИЯ ВИХРЕПОДОБНЫХ СТРУКТУР В ПЕРФОРИРОВАННЫХ МАГНИТНЫХ ПЛЕНКАХ С УЧЕТОМ РАЗМАГНИЧИВАЮЩИХ ПОЛЕЙ

ЕБ Магадеев, РМ Вахитов, РР Канбеков - ЖУРНАЛ …, 2022 - jetp.ras.ru
В последнее время интенсивно исследуются и активно обсуждаются особенности
топологии и разнообразные (в том числе и уникальные) свойства вихреподобных …

Effects of the competition between the exchange and dipolar interactions in the spin-wave spectrum of two-dimensional circularly magnetized nanodots

S Mamica, JCS Lévy, M Krawczyk - Journal of Physics D: Applied …, 2013 - iopscience.iop.org
We use a microscopic theory taking into account the dipolar and nearest-neighbour
exchange interactions for exploring spin-wave excitations in two-dimensional magnetic dots …

Theory of Vortex-Like Structures in Perforated Magnetic Films Accounting Demagnetizing Fields

EB Magadeev, RM Vakhitov, RR Kanbekov - Journal of Experimental and …, 2022 - Springer
Vortex-like inhomogeneities that can appear in ferromagnetic films with strong easy-plane
uniaxial anisotropy in the presence of antidotes in the form of artificial nanoscale holes or …

Magnetic vortices in kekulene-like molecules

LS Menicucci, FCS Barreto, BV Costa - Solid State Communications, 2021 - Elsevier
In the quest for a nanostructure capable to support nonlinear excitations we have studied the
behavior of a possible magnetic nanoparticle with the same geometry as the organic …

Traps for pinning and scattering of antiferromagnetic skyrmions via magnetic properties engineering

D Toscano, IA Santece, RCO Guedes… - Journal of Applied …, 2020 - pubs.aip.org
Micromagnetic simulations have been performed to investigate the controllability of the
skyrmion position in antiferromagnetic nanotracks with their magnetic properties modified …

Magnetization reversal assisted by half antivortex states in nanostructured circular cobalt disks

A Lara, OV Dobrovolskiy, JL Prieto, M Huth… - Applied Physics …, 2014 - pubs.aip.org
The half antivortex, a fundamental topological structure which determines magnetization
reversal of submicron magnetic devices with domain walls, has been suggested also to play …

Strain-mediated magnetization switching behavior in a bicomponent nanomagnet

JH Yuan, XK Yang, B Wei, YB Chen, HQ Cui, JH Liu… - Physical Review …, 2023 - APS
The strain-mediated method is considered to be a promising solution for implementing
energy-efficient magnetization rotation. However, current methods strictly require a voltage …

Length dependence of heat conduction in (an) harmonic chains with asymmetries or long range interparticle interactions

RR Ávila, E Pereira, DL Teixeira - Physica A: Statistical Mechanics and its …, 2015 - Elsevier
Considering an old and recurrent problem of nonequilibrium statistical physics, namely, the
microscopic study of the heat flow, we investigate the effects on the heat conduction due the …