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About this Journal
Online ISSN: 1521-396X Print ISSN: 0031-8965
physica status solidi (a)
Volume 189, Issue 2, 2002.
Pages: 591-598
Published Online: 28 Feb 2002
© 2002 WILEY-VCH Verlag Berlin GmbH, Fed. Rep. of Germany
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Original Paper
Specular and Off-Specular Synchrotron Mössbauer Reflectometry:
Applications to Thin Film Magnetism
D.L. Nagy 1, L. Bottyán 1, L. Deák 1, B. Degroote 2, O. Leupold 3, M.
Major 1, J. Meersschaut 2, R. Rüffer 3, E. Szilágyi 1, J. Swerts 4, K.
Temst 4, A. Vantomme 2
1KFKI Research Institute for Particle and Nuclear Physics, P.O.B. 49,
H-1525 Budapest, Hungary
2K.U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan
200 D, B-3001 Leuven, Belgium
3European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble, France
4K.U. Leuven, Laboratorium voor Vaste-Stoffysica en Magnetisme,
Celestijnenlaan 200 D, B-3001 Leuven, Belgium
email: D.L. Nagy (nagy@rmki.kfki.hu )
Keywords
75.25.+z; 75.30.Gw; 75.70.-i; 76.80.+y; S1.1; S1.2
Abstract
Synchrotron Mössbauer Reflectometry (SMR) is a novel tool for studying
the magnetic structure of multilayers. The orientation of the layer
magnetisation in an antiferromagnetically coupled multilayer is
determined from the intensity of the pure nuclear reflection in specular
time-integral SMR experiments. The value of the saturation field is
estimated with high accuracy. The bulk spin-flop transition in an Fe/Cr
superlattice of fourfold in-plane magnetocrystalline anisotropy is
demonstrated. The width of the off-specular (diffuse) scattering peak is
a measure of the in-plane antiferromagnetic domain size. The domain
correlation length of 2.6 m measured in remanence on the Fe/Cr
superlattice following magnetic saturation is in good agreement with
semi-empirical model calculations.
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Received: 1 May 2001; Accepted: 30 September 2001
Digital Object Identifier (DOI)
10.1002/1521-396X(200202)189:2<591::AID-PSSA591>3.0.CO;2-8 About DOI
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