The University of Southampton
University of Southampton Institutional Repository

Modelling magnetic exchange springs in 1D, 2D, and 3D

Modelling magnetic exchange springs in 1D, 2D, and 3D
Modelling magnetic exchange springs in 1D, 2D, and 3D
1D models of magnetic multilayers, with alternating hard and soft layers, are extended to 2D and 3D, and presented within a common framework of nearest neighbour interactions. Using 2D calculations, it is shown that the properties of magnetic exchange springs can be changed significantly by patterning the hard pinning layers. But, in certain cases the bending field BB is not significantly altered, even when half the pinning layer is removed. 3D calculations are used to probe the effects of defects on the properties of magnetic exchange springs, using epitaxial DyFe2/YFe2 superlattices as an example. It is shown that point defects such as Fe vacancies have little effect on the bending field transition. This is in marked contrast to the 1D model, where an Fe vacancy cuts the magnetic exchange spring into two. Finally, it is demonstrated that significant changes in the properties of magnetic exchange springs can be engineered, by placing rare-earth ions in the centre of the soft YFe2 springs. A new phenomenon, exchange spring collapse, is predicted
0953-8984
15209
Bowden, G. J.
f73a1c01-4d38-4170-bf30-9ebfa4283807
Martin, Kevin
bcdaa1a0-a1dd-4bbe-be4c-ac1c76073a5f
Rainford, B.D.
a57f1153-bbba-49a3-bffc-0d96087156a0
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Bowden, G. J.
f73a1c01-4d38-4170-bf30-9ebfa4283807
Martin, Kevin
bcdaa1a0-a1dd-4bbe-be4c-ac1c76073a5f
Rainford, B.D.
a57f1153-bbba-49a3-bffc-0d96087156a0
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d

Bowden, G. J., Martin, Kevin, Rainford, B.D. and de Groot, P.A.J. (2008) Modelling magnetic exchange springs in 1D, 2D, and 3D. Journal of Physics: Condensed Matter, 20 (1), 15209. (doi:10.1088/0953-8984/20/01/015209).

Record type: Article

Abstract

1D models of magnetic multilayers, with alternating hard and soft layers, are extended to 2D and 3D, and presented within a common framework of nearest neighbour interactions. Using 2D calculations, it is shown that the properties of magnetic exchange springs can be changed significantly by patterning the hard pinning layers. But, in certain cases the bending field BB is not significantly altered, even when half the pinning layer is removed. 3D calculations are used to probe the effects of defects on the properties of magnetic exchange springs, using epitaxial DyFe2/YFe2 superlattices as an example. It is shown that point defects such as Fe vacancies have little effect on the bending field transition. This is in marked contrast to the 1D model, where an Fe vacancy cuts the magnetic exchange spring into two. Finally, it is demonstrated that significant changes in the properties of magnetic exchange springs can be engineered, by placing rare-earth ions in the centre of the soft YFe2 springs. A new phenomenon, exchange spring collapse, is predicted

Full text not available from this repository.

More information

Published date: 2008

Identifiers

Local EPrints ID: 143951
URI: https://eprints.soton.ac.uk/id/eprint/143951
ISSN: 0953-8984
PURE UUID: cf965a34-ba28-4c81-9de3-229b859dd91e

Catalogue record

Date deposited: 27 May 2010 10:32
Last modified: 25 Jul 2017 16:32

Export record

Altmetrics

Contributors

Author: G. J. Bowden
Author: Kevin Martin
Author: B.D. Rainford
Author: P.A.J. de Groot

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of https://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×