Current-Driven Domain Wall Motion Due to the Spin-Transfer Effect
2004
We report direct observation of current-driven domain wall (DW) motion by using a well-defined single DW in a micro-fabricated magnetic wire. Magnetic force microscopy was used to visualize the current-driven DW motion. We measured the depinning field of the DW and the critical electric current density for the current-driven DW motion at several pinning sites.
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