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Magnetic Properties of FEXMN1-X/IR(100) Superlattices.

Published online by Cambridge University Press:  15 February 2011

H. Fischer ,
S. Andrieu ,
Ph. Bauer  and
M. Piecuch
H. Fischer
Affiliation:
Laboratoire de métallurgie physique, Sciences des matériaux, URA CNRS N° 155, Université Henri Poincaré, BP 239, 54506 Vandoeuvre-les-Nancy Cedex, France
S. Andrieu
Affiliation:
Laboratoire de métallurgie physique, Sciences des matériaux, URA CNRS N° 155, Université Henri Poincaré, BP 239, 54506 Vandoeuvre-les-Nancy Cedex, France
Ph. Bauer
Affiliation:
Laboratoire de métallurgie physique, Sciences des matériaux, URA CNRS N° 155, Université Henri Poincaré, BP 239, 54506 Vandoeuvre-les-Nancy Cedex, France
M. Piecuch
Affiliation:
Laboratoire de métallurgie physique, Sciences des matériaux, URA CNRS N° 155, Université Henri Poincaré, BP 239, 54506 Vandoeuvre-les-Nancy Cedex, France
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Abstract

We have produced pseudomorphic FexMn1-x/Ir(100) superlattices having different stoichiometry (0.8 ≥ x ≥ 0.3). The alloy crystalline structure is body centered tetragonal with a c/a ratio between 1.18 and 1.26. Iron rich alloys are ferromagnetic when the corresponding bulk alloys are antiferromagnetic. Manganese rich alloys are certainly antiferromagnetic according to bulk magnetization measurements and Mössbauer effect results. The transition from a ferromagnet with a vanishing moment when x = 0.5 to an antiferromagnet is associated with a volume expansion.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 384: Symposium L – Magnetic Ultrathin films, Multilayers and Surfaces , 1995 , 271
Copyright
Copyright © Materials Research Society 1995

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References

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