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Interrelation Between Structure and Magnetism of Ultra-Thin Mn Films Epitaxially Grown on (001) BCC Fe

Published online by Cambridge University Press:  15 February 2011

S. Andrieu ,
Ph. Bauer ,
H. Fischer ,
M. Piecuch ,
M. Finazzi ,
K. Hricovini ,
G. Krill ,
P. Lefevre ,
H. Magnan  and
D. Chandesris
S. Andrieu
Affiliation:
LPM, CNRS/Université Nancy, 54506 Vandoeuvre, France
Ph. Bauer
Affiliation:
LPM, CNRS/Université Nancy, 54506 Vandoeuvre, France
H. Fischer
Affiliation:
LPM, CNRS/Université Nancy, 54506 Vandoeuvre, France
M. Piecuch
Affiliation:
LPM, CNRS/Université Nancy, 54506 Vandoeuvre, France
M. Finazzi
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
K. Hricovini
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
G. Krill
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
P. Lefevre
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
H. Magnan
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
D. Chandesris
Affiliation:
LURE CNRS/CEA/Université Paris-sud, 91405, Orsay, France
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Abstract

In this paper, the interrelation between structural and magnetic properties of ultra-thin Mn films epitaxially grown on (001) bcc Fe is studied. The Mn growth and in-plane structure were controlled by electron diffraction (RHEED). The structures of the Mn films were determined by using X-Ray absorption spectroscopy (SEXAFS). Finally, the magnetic properties were studied by using X-Ray magnetic circular dichroïsm (XMCD). All the experiments were performed under ultra-high vacuum. As shown by XMCD experiments, a magnetic transition is observed at 2 Mn monolayers. The analysis of RHEED and SEXAFS experimental results clearly demonstrates that a structural transition comes with this magnetic transition.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 475: Symposium M – Magnetic Ultrathin Films, Multilayers, and Surfaces – 1997 , 1997 , 393
Copyright
Copyright © Materials Research Society 1997

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References

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