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Multimode switching induced by a transverse field planar magnetic nanowires.

Bryan, M. T. and Atkinson, D. and Allwood, D. A. (2006) 'Multimode switching induced by a transverse field planar magnetic nanowires.', Applied physics letters., 88 (3). 032505.

Abstract

We report how transverse fields affect the axial field needed to "inject" domain walls from a large Permalloy (Ni80Fe20) pad into planar nanowires of width 184 nm, 303 nm, 321 nm, and 537 nm fabricated by electron beam lithography. For the narrowest wire, different switching fields are observed under the same transverse field conditions, indicating that more than one mode or state for the domain walls may exist. In contrast, in the widest wires a transverse field causes each reversal event to occur in two stages. The different response may be attributed to the magnetostatic energy differences of domain walls in wires of different widths.

Item Type:Article
Keywords:Domain-wall, Metastable states, Wire, Nanostructures, Nanoelements, Mechanisms, Dynamics.
Full text:PDF - Published Version (349Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1063/1.2162263
Publisher statement:Copyright (2006) 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. Bryan, M. T. and Atkinson, D. and Allwood, D. A. (2006) 'Multimode switching induced by a transverse field planar magnetic nanowires.', Applied physics letters., 88 (3). 032505. and may be found at http://link.aip.org/link/?apl/88/032505
Record Created:04 Dec 2006
Last Modified:21 Apr 2011 14:11

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