We have used time-resolved XMCD-PEEM to show that domain wall motion induced by nanosecond current pulses in nanostripes with perpendicular magnetic anisotropy (Pt/Co/AlOx) exhibits negligible inertia. Image series taken during current pulses reveal that the domain walls start moving, with a... > suite
We have directly observed the current-induced magnetization dynamics in FeNi\Cu\Co nanostripes, using time-resolved XMCD-PEEM
We have recently given microscopic evidence for high velocities for current drive domain wall motion in trilayer systems with either in-plane or perpendicular anisotropy.
Magnetization reversal traditionally consists in the switching of magnetic domains, via nucleation and/or nucleation processes. An active topic in the past years is the discovery of efficient ways to reverse the polarity of the core of magnetic vortices. Here we demonstrate yet another novel process that allows one to switch controllably inner degrees of freedom of domain walls.
We have carried out measurements of the velocities of magnetic domain walls (DW) driven by magnetic field pulses in symmetric Pt/Co/Pt and asymmetric Pt/Co/GdOx and Pt/Co/Gd trilayers . The thickness of the Co layers was 0.8 – 1.0 nm, and in all layers the easy magnetization axis was... > suite