Abstract
Current-driven domain wall (DW) motion in a submicron-size magnetic strip, which consists of Cu/IrMn/NiFe/Cu/NiFe/Cu pseudo-spin-valve with natural defects, was investigated by measuring the giant-magnetoresistance signal. The magnetic DW movement was induced by the injection of a high current density of 4×10 7 A/cm 2. It was also found that a DW can be manipulated in more convenient way by the application of both current and magnetic field at the same time.
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