Current-Induced Magnetic Domain Wall Motion in Co/Ni Nanowire at Low Temperature
Kohei UedaTomohiro KoyamaDaichi ChibaKazutoshi ShimamuraHironobu TanigawaShunsuke FukamiTetsuhiro SuzukiNorikazu OhshimaN. IshiwataY. NakataniTeruo Ono
Abstract
Magnetic domain wall (DW) motion induced by currents in a perpendicularly magnetized Co/Ni nanowire has been investigated both at room temperature and low temperature. The threshold current density was almost independent of temperature, although the external magnetic field to depin a DW was doubled at low temperature. The result is consistent with the theory based on the adiabatic spin transfer model.
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