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Magnetism of Bct Iron Grown In (001) FeIr Superlattices

Published online by Cambridge University Press:  15 February 2011

Stéphane Andrieu ,
Philippe Bauer ,
Fils Lahatra-Razafindramisa ,
Louis Hennet ,
Etienne Snoeck ,
Michel Brunel  and
Michel Piecuch
Stéphane Andrieu
Affiliation:
Laboratoire de Métallurgie Physique, CNRS, 54506 Vandoeuvre, France
Philippe Bauer
Affiliation:
Laboratoire de Métallurgie Physique, CNRS, 54506 Vandoeuvre, France
Fils Lahatra-Razafindramisa
Affiliation:
Laboratoire de Cristallographie, CNRS, 38042, Grenoble, France
Louis Hennet
Affiliation:
Laboratoire de Métallurgie Physique, CNRS, 54506 Vandoeuvre, France
Etienne Snoeck
Affiliation:
CEMES/LOE, CNRS, 31055, Toulouse, France
Michel Brunel
Affiliation:
Laboratoire de Cristallographie, CNRS, 38042, Grenoble, France
Michel Piecuch
Affiliation:
Laboratoire de Métallurgie Physique, CNRS, 54506 Vandoeuvre, France
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Abstract

In this paper, we show that iron can be grown by MBE in a body centered tetragonal structure in (001) FeIr superlattices. The growth, structure and morphology of these superlattices are briefly resumed. A variation of the BCT Fe magnetic moment depending on the Jr thickness is observed. This variation is demonstrated to come from a variation of the BCT Fe atomic volume, due to the competition of the Fe and Ir stresses. A magnetic transition from a non-magnetic to a low spin ferromagnetic state depending on the atomic volume is thus observed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 384: Symposium L – Magnetic Ultrathin films, Multilayers and Surfaces , 1995 , 253
Copyright
Copyright © Materials Research Society 1995

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References

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