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Micromagnetic simulations of magnetoelectric materials

Micromagnetic simulations of magnetoelectric materials
Micromagnetic simulations of magnetoelectric materials
Some magnetic materials show a magnetoelectric coupling between inhomogeneous magnetization patterns and electric polarization that is sufficiently strong to allow external control of magnetization structure by electric fields. Numerical simulations of “magnetoelectric” materials of this type require an extension of the standard micromagnetic model which conceptually parallels the introduction of spin-current interaction terms. We show how the micromagnetic simulator “Nmag” can be extended to support the inhomogeneous magnetoelectric interaction term and also give a simple self-contained example for simulating the micromagnetic dynamics of a magnetoelectric system in the presence of an external electric field.
exchange interactions (electron), magnetic structure, magnetisation, magnetoelectric effects, micromagnetics, spin dynamics, spin polarised transport
0021-8979
109-112
Fischbacher, Thomas
d3282f31-0a6a-4d19-80d0-e3bebc12f67a
Franchin, Matteo
9e00aaa2-959e-420f-854c-3b43aece85e3
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Fischbacher, Thomas
d3282f31-0a6a-4d19-80d0-e3bebc12f67a
Franchin, Matteo
9e00aaa2-959e-420f-854c-3b43aece85e3
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160

Fischbacher, Thomas, Franchin, Matteo and Fangohr, Hans (2011) Micromagnetic simulations of magnetoelectric materials. Journal of Applied Physics, 109 (07D352), 109-112. (doi:10.1063/1.3565999).

Record type: Article

Abstract

Some magnetic materials show a magnetoelectric coupling between inhomogeneous magnetization patterns and electric polarization that is sufficiently strong to allow external control of magnetization structure by electric fields. Numerical simulations of “magnetoelectric” materials of this type require an extension of the standard micromagnetic model which conceptually parallels the introduction of spin-current interaction terms. We show how the micromagnetic simulator “Nmag” can be extended to support the inhomogeneous magnetoelectric interaction term and also give a simple self-contained example for simulating the micromagnetic dynamics of a magnetoelectric system in the presence of an external electric field.

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Fischbacher_etal_JAP_109_07D352_2011.pdf - Accepted Manuscript
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More information

Published date: 13 April 2011
Keywords: exchange interactions (electron), magnetic structure, magnetisation, magnetoelectric effects, micromagnetics, spin dynamics, spin polarised transport

Identifiers

Local EPrints ID: 186529
URI: http://eprints.soton.ac.uk/id/eprint/186529
ISSN: 0021-8979
PURE UUID: 36a3b5c8-a7b2-428a-b63a-70d3588c0e3e
ORCID for Hans Fangohr: ORCID iD orcid.org/0000-0001-5494-7193

Catalogue record

Date deposited: 13 May 2011 12:54
Last modified: 15 Mar 2024 03:03

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Contributors

Author: Thomas Fischbacher
Author: Matteo Franchin
Author: Hans Fangohr ORCID iD

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