Исследование Динамики Доменной Границы В GdFeCo Методом Двукратной Высоко Скоростной Фотографии
Fizika tverdogo tela(2023)
摘要
Using the technique of double high-speed photography method, we show that an external magnetic field triggers in GdFeCo domain wall motion with velocities up to 1.2 km / s. The domain wall velocity saturates with an increase of the driving magnetic field. Contrary to earlier experiments on iron garnets, we did not succeed to detect any effect of femtosecond laser pulses on the domain wall velocity, even if the pulses were strong enough to reverse magnetization.
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