Improving the efficiency of ultrafast optical control of magnetism in GdFeCo continuous films and submicron structures
Springer Proceedings in Physics(2015)
Abstract
The goal of this work is to define conditions for the most efficient ultrafast optical control of magnetism. Results show that tuning the composition of the GdFeCo alloys towards the magnetization compensation point as well as reducing the sizes of structures allowing one to reduce the energy of the laser pulse required for ultrafast demagnetization or magnetization reversal.
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Key words
Magnetization Reversal, Femtosecond Laser Pulse, Finite Difference Time Domain, Continuous Film, Electric Field Profile
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