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Magnetization chirality switching in magnetic vortex structures is studied. The advantage to use vortex properties and the magnetization chirality instead of the polarity to obtain fast switching is shown.
This paper presents a micromagnetic study about the nonlinear properties exhibited by spin torque oscillators, implemented as nanoscale exchange biased spin-valves of elliptical cross-sectional area. The analysis is based on numerical simulations which also include the back-torque effect in the pinned layer. The external bias field is applied along the in-plane hard axis. Our results demonstrate that...
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