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Defects and Magnetic Properties: The Cr/Fe(001) Interfaces

Published online by Cambridge University Press:  15 February 2011

D. Stoeffler ,
A. Vega ,
H. Dreyssé  and
C. Demangeat
D. Stoeffler
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg (U.M.R. 46 du C.N.R.S.), Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France
A. Vega
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg (U.M.R. 46 du C.N.R.S.), Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France
H. Dreyssé
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg (U.M.R. 46 du C.N.R.S.), Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France
C. Demangeat
Affiliation:
Institut de Physique et de Chimie des Matériaux de Strasbourg (U.M.R. 46 du C.N.R.S.), Groupe d'Etude des Matériaux Métalliques, 23 rue du Loess, 67037 Strasbourg, France
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Abstract

We report self-consistent band-structure calculations for the magnetism of Cr overlayers adsorbed on Fe(001) in order to study the role played by imperfect Fe-Cr interfaces, at the microscopic and macroscopic scales, on the total magnetisation. The surprisingly large reduction of the total magnetisation (≈ - 5 μB/interfacial atom) recently observed in Cr/Fe(001) through in situ magnetometer measurements is shown to be reproduced only when an interchange of one Cr and Fe monolayer at the interface after deposition of the second Cr monolayer occurs.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 384: Symposium L – Magnetic Ultrathin films, Multilayers and Surfaces , 1995 , 247
Copyright
Copyright © Materials Research Society 1995

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References

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