Current-induced vortex nucleation and annihilation in vortex domain walls

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2006
Autor:innen
Backes, Dirk
Vaz, Carlos A. F.
Bland, J. Anthony C.
Heyderman, Laura J.
Cherifi, Salia
Locatelli, Andrea
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Applied Physics Letters. 2006, 88, 232507. Available under: doi: 10.1063/1.2209177
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We report observations of the effect of electrical currents on the propagation and spin structure of vortex walls in NiFe wires. We find that magnetic vortices are nucleated and annihilated due to the spin torque effect. The velocity is found to be directly correlated with these transformations and decreases with increasing number of vortices. The transformations are observed in wide elements, while in narrower structures the propagation of single vortex walls prevails.

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ISO 690KLÄUI, Mathias, Markus LAUFENBERG, Lutz HEYNE, Dirk BACKES, Ulrich RÜDIGER, Carlos A. F. VAZ, J. Anthony C. BLAND, Laura J. HEYDERMAN, Salia CHERIFI, Andrea LOCATELLI, Tevfik Onur MENTES, Lucia ABALLE, 2006. Current-induced vortex nucleation and annihilation in vortex domain walls. In: Applied Physics Letters. 2006, 88, 232507. Available under: doi: 10.1063/1.2209177
BibTex
@article{Klaui2006Curre-9424,
  year={2006},
  doi={10.1063/1.2209177},
  title={Current-induced vortex nucleation and annihilation in vortex domain walls},
  volume={88},
  journal={Applied Physics Letters},
  author={Kläui, Mathias and Laufenberg, Markus and Heyne, Lutz and Backes, Dirk and Rüdiger, Ulrich and Vaz, Carlos A. F. and Bland, J. Anthony C. and Heyderman, Laura J. and Cherifi, Salia and Locatelli, Andrea and Mentes, Tevfik Onur and Aballe, Lucia},
  note={Article Number: 232507}
}
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