Document Type

Article

Language

eng

Publication Date

2009

Publisher

American Institute of Physics

Source Publication

Applied Physics Letters

Source ISSN

0003-6951

Abstract

In a two-dimensional magnetic nanowire, it is possible to engineer collisions between two domain walls put into motion by an externally applied field. We show that the topological defects that define the domain wall can be controlled to allow for both domain wall annihilation and preservation during the collisions as long as the wire remains thin. The preservation process can be used to release pinned domain walls from notches with small applied fields.

Comments

Published version. Applied Physics Letters, Vol. 94, No. 13 (2009). DOI. © American Institute of Physics 2009. Used with permission.

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