112 citations · 987 across the 57 of their papers we have counts for
57 papers
Energetics and thermodynamics of bilayer rectangular artificial spin ices
Gabriel A. Oliveira, Winder A. Moura-Melo, Afranio R. Pereira +1
Bilayer rectangular artificial spin ices (BRASIs) with distinct aspect ratios, , are considered. Namely, we investigate how the underlying geometry modifies the interaction betw…
Probing emergent axion electrodynamics with waveguide apparatus
André H. Gomes, Winder A. Moura-Melo
We demonstrate that a conventional hollow conductor waveguide filled with a material exhibiting the coexistence of chiral magnetic and anomalous quantum Hall effects supports the p…
Direct observation of magnetic monopole freedom in two-dimensional artificial spin ice
D. G. Duarte, L. B. de Oliveira, F. S. Nascimento +4
Magnetic monopole unpairing as a function of external magnetic fields is presented as a fingerprint of this emergent quasiparticles freedom in a two-dimensional artificial spin ice…
Skyrmion bound state and dynamics in an antiferromagnetic bilayer racetrack
R. C. Silva, R. L. Silva, V. L. Carvalho-Santos +2
We investigate the dynamics of two skyrmions lying in distinct layers of an antiferromagnetic bilayer system, consisting of nanostripes with the shape of racetracks. The top and bo…
Bilayer artificial spin ice: magnetic force switching and basic thermodynamics
Fabio S. Nascimento, Afranio R. Pereira, Winder A. Moura-Melo
We study an artificial spin ice system consisting of two identical layers separated by a height offset . For small separation, the layers are shown to attract each other, provid…
Robust dynamics of antiferromagnetic skyrmion driven by spin-polarized current in small thin disks
R. L. Silva, R. C. Silva, W. A. Moura-Melo +1
We investigate skyrmion configuration and dynamics in antiferromagnetic thin disks. It is shown that the skyrmion acquires oscillatory dynamics with well-defined amplitude and freq…