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DOI: 10.1063/1.3687154
OpenAccess: Closed
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Chirality switching and propagation control of a vortex domain wall in ferromagnetic nanotubes

Jorge A. Otálora,E. López Torres,P. Vargas,P. Landeros

Permalloy
Chirality (physics)
Vortex
2012
We propose a procedure to manipulate the chirality and propagation of a vortex domain wall in ferromagnetic nanotubes by applying magnetic field pulses. It is found that the chiral state of the vortex wall can be switched, provided that (1) the field amplitude is between two critical values, the so-called chiral field and the well-known Walker field, and (2) the pulse length is longer than a critical time, which is the time needed by the wall to overcome a local energy barrier. These key parameters are estimated for Permalloy nanotubes and range between a few miliTesla and some nanoseconds.
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    Chirality switching and propagation control of a vortex domain wall in ferromagnetic nanotubes” is a paper by Jorge A. Otálora E. López Torres P. Vargas P. Landeros published in 2012. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.