3 papers
cond-mat.mes-hall2025
Diverse dynamics in interacting vortices systems through tunable conservative and non-conservative coupling strengths
A. Hamadeh, A. Koujok, D. R. Rodrigues +6
Magnetic vortices are highly tunable, nonlinear systems with ideal properties for being applied in spin wave emission, data storage, and neuromorphic computing. However, their tech…
cond-mat.mtrl-sci2023
Reversal of coupled vortices in advanced spintronics: A mechanistic study
A. Hamadeh, A. Koujok, S. Perna +7
This study conducts a comprehensive investigation into the reversal mechanism of magnetic vortex cores in a nanopillar system composed of two coupled ferromagnetic dots under zero…
cond-mat.mes-hall2022
Simultaneous multitone microwave emission by DC-driven spintronic nano-element
A. Hamadeh, D. Slobodianiuk, R. Moukhader +9
Current-induced self-sustained magnetization oscillations in spin-torque nano-oscillators (STNOs) are promising candidates for ultra-agile microwave sources or detectors. While usu…