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Chirality-dependent domain wall pinning in a multinotched planar nanowire and chirality preservation using transverse magnetic fields

Eastwood, D.S.; King, J.A.; Bogart, L.K.; Cramman, H.; Atkinson, D.

Chirality-dependent domain wall pinning in a multinotched planar nanowire and chirality preservation using transverse magnetic fields Thumbnail


Authors

D.S. Eastwood

L.K. Bogart



Abstract

Chirality-dependent pinning of magnetic domain walls (DWs) has been observed in a planar Ni81Fe19 nanowire with two spatially separated notches on opposite edges of the wire. Using focused magneto-optical Kerr effectmeasurements of field-driven magnetization reversal we show that several different metastable remanent magnetization states can be formed reproducibly, and that the application of a component of magnetic field transverse to the wire axis maintains the chirality of DW as it interacts with both notches and overcomes the problems of chirality loss due to Walker breakdown.

Citation

Eastwood, D., King, J., Bogart, L., Cramman, H., & Atkinson, D. (2011). Chirality-dependent domain wall pinning in a multinotched planar nanowire and chirality preservation using transverse magnetic fields. Journal of Applied Physics, 109(1), https://doi.org/10.1063/1.3525733

Journal Article Type Article
Publication Date Jan 4, 2011
Deposit Date Mar 19, 2014
Publicly Available Date Apr 3, 2014
Journal Journal of Applied Physics
Print ISSN 0021-8979
Electronic ISSN 1089-7550
Publisher American Institute of Physics
Peer Reviewed Peer Reviewed
Volume 109
Issue 1
DOI https://doi.org/10.1063/1.3525733
Public URL https://durham-repository.worktribe.com/output/1437006

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Copyright Statement
© 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics 109, 013903 (2011); doi: 10.1063/1.3525733 and may be found at http://scitation.aip.org/content/aip/journal/jap/109/1/10.1063/1.3525733






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