Rapid domain wall motion in permalloy nanowires excited by a spin-polarized current applied perpendicular to the nanowire.
نویسندگان
چکیده
We study domain wall dynamics in Permalloy nanowires excited by alternating spin-polarized current applied perpendicular to the nanowire. Spin torque ferromagnetic resonance measurements reveal that domain wall oscillations at a pinning site in the nanowire can be excited with velocities as high as 800 m/s at current densities below 10{7} A/cm{2}.
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عنوان ژورنال:
- Physical review letters
دوره 104 9 شماره
صفحات -
تاریخ انتشار 2010