Control of Domain Wall Position by Electrical Current in Structured Co/Ni Wire with Perpendicular Magnetic Anisotropy

Abstract

We report the direct observation of the current-driven domain wall (DW) motion by magnetic force microscopy in a structured Co/Ni wire with perpendicular magnetic anisotropy. The wire has notches to define the DW position. It is demonstrated that single current pulses can precisely control the DW position from notch to notch with high DW velocity of 40 m/s.

12 pages, 3 figures

References in corpus (4)

• Velocity of domain-wall motion induced by electrical current in a ferromagnetic semiconductor (Ga,Mn)As
• Current-induced domain wall motion in a nanowire with perpendicular magnetic anisotropy
• Domain-wall resistance in ferromagnetic (Ga,Mn)As
• Current-excited magnetization dynamics in narrow ferromagnetic wires

Cited by in corpus (9)

• Magnetization dynamics induced by in-plane currents in ultrathin magnetic nanostructures
• High domain wall velocity at zero magnetic field induced by low current densities in spin-valve nanostripes
• Excess velocity of magnetic domain walls close to the depinning field
• Vortex-crystal pattern in an anti-artificial spin ice system
• Near-field magneto-caloritronic nanoscopy on ferromagnetic nanostructures
• Circular single domains in hemispherical small size Permalloy clusters
• Angular momentum transfer torques in spin valves with perpendicular magnetization
• Current-driven domain wall motion along ferromagnetic strips with periodically-modulated perpendicular anisotropy
• Oersted field and spin current effects on magnetic domains in [Co/Pd]15 nanowires