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Magnetic anisotropy basis sets for epitaxial (110) and(111) REFe2nanofilms

Magnetic anisotropy basis sets for epitaxial (110) and(111) REFe2nanofilms
Magnetic anisotropy basis sets for epitaxial (110) and(111) REFe2nanofilms
Magnetic anisotropy basis sets for the cubic Laves phase rare earth intermetallic REFe2 compounds are discussed in some detail. Such compounds can be either free standing, or thin films grown in either (110) or (111) mode using molecular beam epitaxy. For the latter, it is useful to rotate to a new coordinate system where the z-axis coincides with the growth axes of the film. In this paper, three symmetry adapted basis sets are given, for multi-pole moments up to n = 12. These sets can be used for free-standing compounds and for (110) and (111) epitaxial films. In addition, the distortion of REFe2 films, grown on sapphire substrates, is also considered. The distortions are different for the (110) and (111) films. Strain-induced harmonic sets are given for both specific and general distortions. Finally, some predictions are made concerning the preferred direction of easy magnetization in (111) molecular beam epitaxy grown REFe2 films.
0953-8984
p.285226
Bowden, Graham
f73a1c01-4d38-4170-bf30-9ebfa4283807
Martin, K.N.
c53d0004-4655-40e9-aa05-563f3a9602c4
Fox, Alan
2f5a1e51-6cbe-4768-9410-5ee98eb71542
Rainford, B.D.
a57f1153-bbba-49a3-bffc-0d96087156a0
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d
Bowden, Graham
f73a1c01-4d38-4170-bf30-9ebfa4283807
Martin, K.N.
c53d0004-4655-40e9-aa05-563f3a9602c4
Fox, Alan
2f5a1e51-6cbe-4768-9410-5ee98eb71542
Rainford, B.D.
a57f1153-bbba-49a3-bffc-0d96087156a0
de Groot, P.A.J.
98c21141-cf90-4e5c-8f2b-d2aae8efb84d

Bowden, Graham, Martin, K.N., Fox, Alan, Rainford, B.D. and de Groot, P.A.J. (2008) Magnetic anisotropy basis sets for epitaxial (110) and(111) REFe2nanofilms. Journal of Physics: Condensed Matter, 20 (28), p.285226. (doi:10.1088/0953-8984/20/28/285226).

Record type: Article

Abstract

Magnetic anisotropy basis sets for the cubic Laves phase rare earth intermetallic REFe2 compounds are discussed in some detail. Such compounds can be either free standing, or thin films grown in either (110) or (111) mode using molecular beam epitaxy. For the latter, it is useful to rotate to a new coordinate system where the z-axis coincides with the growth axes of the film. In this paper, three symmetry adapted basis sets are given, for multi-pole moments up to n = 12. These sets can be used for free-standing compounds and for (110) and (111) epitaxial films. In addition, the distortion of REFe2 films, grown on sapphire substrates, is also considered. The distortions are different for the (110) and (111) films. Strain-induced harmonic sets are given for both specific and general distortions. Finally, some predictions are made concerning the preferred direction of easy magnetization in (111) molecular beam epitaxy grown REFe2 films.

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Published date: 2008

Identifiers

Local EPrints ID: 143931
URI: https://eprints.soton.ac.uk/id/eprint/143931
ISSN: 0953-8984
PURE UUID: 9d75f689-6787-46c2-963b-46f1605952b7

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Date deposited: 13 Apr 2010 15:29
Last modified: 25 Jul 2017 16:32

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