Figure 2 (IMAGE)

Advanced Institute for Materials Research (AIMR), Tohoku University

Figure 2

Caption

Examples of experimental data on magnetization oscillation driven by opto- magnetic torque measured by the pump-probe time-resolved magneto-optical Kerr effect: (a) Cobalt nano-thin film; (b) Cobalt-Platinum nano-thin film (Platinum concentration is 65% atomic ratio); (c) Platinum concentration dependence of the magnitude of opto-magnetic torques evaluated from the measured magnetization oscillations. Both the in-plane and out-of-plane torques increase with the platinum concentration. 

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©Nukui et al.

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