Title: Observation of the bulk spin-flop in an Fe/Cr superlattice
Authors: Bottyan, Laszlo ×
Deak, Laszlo
Dekoster, J
Kunnen, E
Langouche, Guido
Meersschaut, Johannes
Major, M
Nagy, DL
Ruter, HD
Szilagyi, E
Temst, Kristiaan #
Issue Date: Feb-2002
Publisher: Elsevier science bv
Series Title: Journal of Magnetism and Magnetic Materials vol:240 issue:1-3 pages:514-516
Abstract: The layer magnetisation reorientation transition (spin-flop. SF) was studied in an artificial layer antiferromagnet (AF), namely in MgO(0 0 1)/[Fe-57(2.6 nm)/Cr(1.3 nm)](20) epitaxial superlattice (SL) by synchrotron Mossbauer reflectometry and Kerr effect (SMOKE). The SF occurs simultaneously in the entire SL stack (bulk SF) in an increasing field of H-SF = 13 mT along the easy direction parallel to the layer magnetisations. It is recognised by the kink in the SMOKE loop and by the sharp up-rise of the AF Bragg peak in the delayed Mossbauer reflectivity. The moderate value of observed H-SF is compared with estimations from a spin-chain model and interpreted as due to intraplane domain-wall motion during SF. (C) 2002 Elsevier Science B.V. All rights reserved.
ISSN: 0304-8853
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
Physics and Astronomy - miscellaneous
× corresponding author
# (joint) last author

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