Efficient stopping of current-driven domain wall using a local Rashba field
arXiv:1608.06044 · doi:10.7567/APEX.9.103002
Abstract
We theoretically show that a locally-embedded Rashba interaction acts as a strong pinning center for current-driven domain walls and demonstrate efficient capturing and depinning of the wall using a weak Rashba interaction of the order of 0.01 eVÅ. Our discovery is expected to be useful for the highly reliable control of domain walls in racetrack memories.
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