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Critical velocity for the vortex core reversal in perpendicular bias magnetic field
Alexey V. Khvalkovskiy, Andrei N. Slavin, Julie Grollier +2
For a circular magnetic nanodot in a vortex ground state we study how the critical velocity of the vortex core reversal depends on the magnitude of a bias magnetic field…
Frequency converter based on nanoscale MgO magnetic tunnel junctions
B. Georges, J. Grollier, V. Cros +9
We observe both dc voltage rectification and frequency conversion that occur when a reference microwave current is injected to a MgO based magnetic tunnel junction (MTJ). The recti…
Origin of the spectral linewidth in non linear oscillators based on MgO tunnel junctions
B. Georges, J. Grollier, V. Cros +6
We demonstrate the strong impact of the oscillator agility on the line broadening by studying spin transfer induced microwave emission in MgO-based tunnel junctions with current. T…