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Start Over Author "Dugaev, V. K." Journal physical review letters
11 results on '"Dugaev, V. K."'

11. Tunable conductance of magnetic nanowires with structured domain walls.

Author

Dugaev VK, Berakdar J, and Barnaś J

Abstract

We show that in a magnetic nanowire with double magnetic domain walls, quantum interference results in spin-split quasistationary states localized mainly between the domain walls. Spin-flip-assisted transmission through the domain structure increases strongly when these size-quantized states are tuned on resonance with the Fermi energy, e.g., upon varying the distance between the domain walls which results in resonance-type peaks of the wire conductance. This novel phenomenon is shown to be utilizable to manipulate the spin density in the domain vicinity. The domain wall parameters are readily controllable, and the predicted effect is hence exploitable in spintronic devices.

Published
2006
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