Dynamics and reversible control of the bloch-point vortex domain wall in short cylindrical magnetic nanowires

D Caso, P Tuero, J García, KY Guslienko, FG Aliev - Physical Review Applied, 2023 - APS
Fast and efficient switching of nanomagnets is one of the main challenges in the
development of future magnetic memories. We numerically investigate the evolution of static …

Overcoming the limits of vortex formation in magnetic nanodots by coupling to antidot matrix

RV Verba, D Navas, A Hierro-Rodriguez… - Physical Review …, 2018 - APS
Static magnetic configurations of thin, circular, soft (permalloy) magnetic nanodots, coupled
to a hard antidot matrix with perpendicular magnetization, are studied by micromagnetic …

Topological gauge field in nanomagnets: Spin-wave excitations over a slowly moving magnetization background

KY Guslienko, GR Aranda, JM Gonzalez - Physical Review B—Condensed …, 2010 - APS
We introduce a topological gauge vector potential which influences spin-wave excitations
over arbitrary nonuniform, slowly moving magnetization background. The time component of …

Spin excitation frequencies in magnetostatically coupled arrays of vortex state circular permalloy dots

AA Awad, GR Aranda, D Dieleman… - Applied Physics …, 2010 - pubs.aip.org
Broadband ferromagnetic resonance in square arrays of Permalloy circular dots with
different interdot separations was measured in the vortex ground state. The detected spin …

Localized domain-wall excitations in patterned magnetic dots probed by broadband ferromagnetic resonance

FG Aliev, AA Awad, D Dieleman, A Lara… - Physical Review B …, 2011 - APS
We investigate the magnetization dynamics in circular Permalloy dots with spatially
separated magnetic vortices interconnected by domain walls (double vortex state). We …

Complete mapping of the spin-wave spectrum in a vortex-state nanodisk

B Taurel, T Valet, VV Naletov, N Vukadinovic… - Physical Review B, 2016 - APS
We report a study on the complete spin-wave spectrum inside a vortex-state nanodisk.
Transformation of this spectrum is continuously monitored as the nanodisk becomes …

Spin wave injection and propagation in a magnetic nanochannel from a vortex core

LJ Chang, J Chen, D Qu, LZ Tsai, YF Liu, MY Kao… - Nano Letters, 2020 - ACS Publications
Spin waves can be used as information carriers with low energy dissipation. The excitation
and propagation of spin waves along reconfigurable magnonic circuits is the subject of …

Perpendicular ferromagnetic resonance in soft cylindrical elements: Vortex and saturated states

V Castel, J Ben Youssef, F Boust, R Weil, B Pigeau… - Physical Review B …, 2012 - APS
Linear magnetic excitations in perpendicularly magnetized micrometer-sized disks have
been investigated in detail both in the saturated and the vortex states using ferromagnetic …

Azimuthal spin-wave excitations in magnetic nanodots over the soliton background: Vortex, Bloch, and Néel-like skyrmions

M Mruczkiewicz, P Gruszecki, M Krawczyk… - Physical Review B, 2018 - APS
We study azimuthal spin-wave (SW) excitations in a circular ferromagnetic nanodot in
different inhomogeneous, topologically nontrivial magnetization states, specifically, vortex …

Spin-wave excitation modes in thick vortex-state circular ferromagnetic nanodots

RV Verba, A Hierro-Rodriguez, D Navas, J Ding… - Physical Review B, 2016 - APS
We study both experimentally and using micromagnetic simulations how the spin excitation
spectra of the vortex-state circular dots made of soft magnetic material change with the dot …