Reduction of intrinsic critical current density for current-induced domain wall motion by using a ferrimagnetic nanowire with perpendicular magnetic anisotropy
T Komine, K Takahashi, A Ooba, R Sugita - Journal of Applied Physics, 2011 - pubs.aip.org
We herein discuss the use of a ferrimagnetic nanowire for current-induced domain wall
motion in order to satisfy both high perpendicular anisotropy and low saturation
magnetization. We demonstrate the current-induced domain wall motion in magnetic
nanowires with various saturation magnetizations by using micromagnetic and analytical
calculations. The intrinsic critical current velocity was reduced with decrease of saturation
magnetization even if the domain wall width was almost constant, and the intrinsic critical …
motion in order to satisfy both high perpendicular anisotropy and low saturation
magnetization. We demonstrate the current-induced domain wall motion in magnetic
nanowires with various saturation magnetizations by using micromagnetic and analytical
calculations. The intrinsic critical current velocity was reduced with decrease of saturation
magnetization even if the domain wall width was almost constant, and the intrinsic critical …
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