354 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Universidad de Santiago de ChileCL55 papers
- University of ChileCL34 papers
- IkerbasqueES17 papers
- Federico Santa María Technical UniversityCL15 papers
- Shanghai UniversityCN15 papers
- University of the Basque CountryES15 papers
- Pontificia Universidad Católica de ChileCL10 papers
- Universidade Federal de ViçosaBR9 papers
- Universidad MayorCL7 papers
- Helmholtz-Zentrum Dresden-RossendorfDE5 papers
- Instituto Federal da BahiaBR4 papers
- Instituto Federal de Educação, Ciência e Tecnologia BaianoBR4 papers
31 papers · 1 filter
Domain wall damped harmonic oscillations induced by curvature gradients in elliptical magnetic nanowires
G. H. R. Bittencourt, S. Castillo-Sepúlveda, O. Chubykalo-Fesenko +3
Understanding the domain wall (DW) dynamics in magnetic nanowires (NW) is crucial for spintronic-based applications demanding the use of DWs as information carriers. This work focu…
Parametric resonance of spin waves in ferromagnetic nanowires tuned by spin Hall torque
Liu Yang, Alejandro A. Jara, Zheng Duan +4
We present a joint experimental and theoretical study of parametric resonance of spin wave eigenmodes in NiFe/Pt bilayer nanowires. Using electrically detected magnet…
Inducing a topological transition in graphene nanoribbons superlattices by external strain
E. Flores, Jose D. Mella, E. Aparicio +4
Armchair graphene nanoribbons, when forming a superlattice, can be classified in different topological phases, with or without edge states. By means of tight-binding and classical…
Theory of magnetism in the van der Waals magnet CrI3
Rodrigo Jaeschke-Ubiergo, Eric Suarez Morell, Alvaro Sebastian Nunez
We study the microscopical origin of anisotropic ferromagnetism in the van der Waals magnet CrI3. We conclude that the nearest neighbors exchange is well described by the Heisenber…
Motion-induced inertial effects and topological phase transitions in skyrmion transport
Allison W. Teixeira, Sebastián Castillo-Sepúlveda, Leandro G. Rizzi +5
In this work, the current-induced inertial effects on skyrmions hosted in ferromagnetic systems are studied. {When the dynamics is considered beyond the particle-like description,…
Strain-induced phase transition in CrI bilayers
Andrea Leon, J. W. González, J. Mejía-López +2
A monolayer of CrI is a two-dimensional crystal that in its equilibrium configuration is a ferromagnetic semiconductor, however, two coupled layers can be ferromagnetic or anti…
Quantum and classical Otto engine for a 2-D material: the case of a graphene quantum dot
Francisco J. Peña, D. Zambrano, O. Negrete +3
In this work, we study the performance of classical and quantum magnetic Otto cycles with a working substance composed of a single graphene quantum dot modeled by the continuum app…
Controlling the nucleation and annihilation of skyrmions with magnetostatic interactions
N. Vidal-Silva, A. Riveros, F. Tejo +2
Skyrmions have become one of the most visited topics during the last decade in condensed matter physics. In this work, and by means of analytical calculations and micromagnetic sim…
Micromagnetic Theory of Curvilinear Ferromagnetic Shells
Denis D. Sheka, Oleksandr V. Pylypovskyi, Pedro Landeros +3
Here, we present a micromagnetic theory of curvilinear ferromagnets, which allows discovering novel fundamental physical effects which were amiss. In spite of the firm confidence f…
Analysis on the stability of in-surface magnetic configurations in toroidal nanoshells
A. W. Teixeira, S. Castillo-Sepúlveda, S. Vojkovic +4
Curvature of nanomagnets can be used to induce chiral textures in the magnetization field. Here we perform analytical calculations and micromagnetic simulations aiming to analyze t…
Symmetry and localization properties of defect modes in magnonic superlattices
Rodolfo A. Gallardo, Tobias Schneider, Alejandro Roldán-Molina +5
Symmetry and localization properties of defect modes of a one-dimensional bi-component magnonic superlattice are theoretically studied. The magnonic superlattice can be seen as a p…
New magnetic states in nanorings created by anisotropy gradients
M. Castro, A. P. Espejo, N. M. Vargas +3
Magnetic nanorings have been widely studied due to their potential applications in spintronic and magnonic devices. In this work, by means of analytical calculations and micromagne…
Magnetostatic interaction between two Bubble Skyrmions
M. A. Castro, D. Mancilla-Almonacid, J. A. Valdivia +1
A detailed analytic and numerical analysis of the interaction between two bubble skyrmions has been carried out. Results from micromagnetic calculations show a strong dependence of…
Coupling of skyrmions mediated by RKKY interaction
R. Cacilhas, S. Vojkovic, V. L. Carvalho-Santos +4
A discussion on the interaction between skyrmions in a bi-layer system connected by a non-magnetic metal is presented. From considering a free charge carrier model, we have shown t…
Surface anisotropy in a magnetic cylinder induced by the displacement of a vortex core
A. Riveros, D. A. Carvajal, J. Escrig
In this article we investigate the induction of a surface anisotropy due to the displacement of the vortex core in a cylindrical nanostructure. In fact, the effect of the displacem…
Emission and Propagation of Multi-Dimensional Spin Waves with nanoscale wavelengths in Anisotropic Spin Textures
V. Sluka, T. Schneider, R. A. Gallardo +15
Spin waves offer intriguing novel perspectives for computing and signal processing, since their damping can be lower than the Ohmic losses in conventional CMOS circuits. For contro…
Flat Bands, Indirect Gaps, and Unconventional Spin-Wave Behavior Induced by a Periodic Dzyaloshinskii-Moriya Interaction
R. A. Gallardo, D. Cortés-Ortuño, T. Schneider +7
Periodically patterned metamaterials are known for exhibiting wave properties similar to the ones observed in electronic band structures in crystal lattices. In particular, periodi…
Giant resonant nonlinear damping in nanoscale ferromagnets
I. Barsukov, H. K. Lee, A. A. Jara +7
Magnetic damping is a key metric for emerging technologies based on magnetic nanoparticles, such as spin torque memory and high-resolution biomagnetic imaging. Despite its importan…
Analytical and numerical phase diagrams for cobalt nanostructures: stability region for a Bloch skyrmion
A. Riveros, N. Vidal-Silva, F. Tejo +1
In this letter we calculate the energies corresponding to the different magnetic phases present in a ferromagnetic cylinder by means of analytical calculations. From the comparison…
Spin-Wave Modes in Transition from a Thin Film to a Full Magnonic Crystal
Manuel Langer, Rodolfo A. Gallardo, Tobias Schneider +7
Spin-wave modes are studied under the gradual transition from a flat thin film to a 'full' (one-dimensional) magnonic crystal. For this purpose, the surface of a pre-patterned 36.8…
Magnetic ground states for bent nanotubes
D. Mancilla-Almonacid, M. A. Castro, J. M. Fonseca +3
Magnetic nanotubes have been widely studied because they are promising candidates to be part in devices based on spintronic and magnonic technologies. However, the experimental tec…
Magnetization ground state and reversal modes of magnetic nanotori
Smiljan Vojkovic, Álvaro S. Núñez, Dora Altbir +1
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…
Topological spin waves in the atomic-scale magnetic skyrmion crystal
A. Roldán-Molina, A. S. Nunez, J. Fernández-Rossier
We study the spin waves of the triangular skyrmion crystal that emerges in a two dimensional spin lattice model as a result of the competition between Heisenberg exchange, Dzyalons…
Spin wave vortex from the scattering on Bloch point solitons
Vagson L. Carvalho-Santos, Ricardo Gabriel Elías, Alvaro S. Núñez
The interaction of a spin wave with a stationary Bloch point is studied. The topological non-trivial structure of the Bloch point manifests in the propagation of spin waves endowin…