The influence of wire width on the charge distribution of transverse domain walls and their stray field interactions

Zeng, Huang T., Petit, D., O'Brien, L., Read, Daniel ORCID: https://orcid.org/0000-0002-4178-4986, Lewis, E. R. and Cowburn, Russell P. 2010. The influence of wire width on the charge distribution of transverse domain walls and their stray field interactions. Journal of Magnetism and Magnetic Materials 322 (14) , pp. 2010-2014. 10.1016/j.jmmm.2010.01.024

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Abstract

We present here a numerical study of the magnetostatic charge distribution of transverse Néel type domain wall in permalloy nanowires. The calculations indicate that not only is the distribution highly non-uniform within a given transverse wall but it also varies dramatically with respect to the wire width. The implications of this for magnetostatic domain wall pinning are analyzed by considering the stray field interaction between a wall and another extended magnetic body for a particular domain wall chirality, where two distinct depinning mechanisms are observed depending on the wire width.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	Magnetization distribution; Stray-field interaction; Domain walls; Nano-magnetism
Publisher:	Elsevier
ISSN:	0304-8853
Last Modified:	18 Oct 2022 14:24
URI:	https://orca.cardiff.ac.uk/id/eprint/17406

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