Spin-transfer-induced domain wall motion in a spin-valve (CROSBI ID 106824)
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Podaci o odgovornosti
Grollier, Julie ; Boulenc, Pierre ; Cros, Vincent ; Hamzić, Amir ; Vaures, Annie ; Fert, Albert ; Faini, Giancarlo
engleski
Spin-transfer-induced domain wall motion in a spin-valve
We have studied the current-induced displacement of a domain wall (DW) in the permalloy (Py) layer of a Co/Cu/Py spin-valve structure. At zero and very small applied fields (< 10 Oe), the displacement is in the opposite direction for opposite dc currents, and the current density required to move DW is of the order of a few 10^6 A/cm^2. At higher applied magnetic fields, the DW motion, even though triggered by the current, has its direction controlled by the field.
spintronics; spin-valve; domain-wall motion
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