Abstract

Measurements are presented of sub-ns magnetization reversal processes of perpendicularly magnetized (CoCr/Pt) multilayers, using real-time Kerr microscopy with a 10 ps temporal resolution. The multilayers are placed in contact with a ring-type recording head, which is used as a sub-ns risetime magnetic field source (Δ t=0.8 ns). By scanning the laser beam across the gap the influence of the field angle on the reversal process is studied.

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