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Title: Coarsening of antiferromagnetic domains in multilayers: The key role of magnetocrystalline anisotropy
Authors: Nagy, DL ×
Bottyan, Laszlo
Croonenborghs, Bart
Deak, Laszlo
Degroote, Bart
Dekoster, J
Lauter, HJ
Lauter-Pasyuk, V
Leupold, O
Major, M
Meersschaut, Johannes
Nikonov, O
Petrenko, A
Ruffer, R
Spiering, H
Szilagyi, E #
Issue Date: Apr-2002
Publisher: American physical soc
Series Title: Physical Review Letters vol:88 pages:157202-1-157202-4
Abstract: The domain structure of an antiferromagnetic superlattice is studied. Synchrotron Mossbauer and polarized neutron reflectometric maps show micrometer-size primary domain formation as the external field decreases from saturation to remanence. A secondary domain state consisting mainly of at least 1 order of magnitude larger domains is created when a small field along the layer magnetizations induces a bulk-spin-flop transition. The domain-size distribution is reproducibly dependent on the magnetic prehistory. The condition for domain coarsening is shown to be the equilibrium of the external field energy with the anisotropy energy.
ISSN: 0031-9007
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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