Reference : Uniaxial polarization analysis of bulk ferromagnets: theory and first experimental results
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/51467
Uniaxial polarization analysis of bulk ferromagnets: theory and first experimental results
English
Malyeyev, Artem mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
Titov, Ivan mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
Dewhurst, Charles [Institut Laue-Langevin]
Suzuki, Kiyonori mailto [Monash University > Department of Materials Science and Engineering]
Honecker, Dirk mailto [ISIS Neutron and Muon Source]
Michels, Andreas mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) >]
1-Jun-2022
Journal of Applied Crystallography
Blackwell
55
Magnetic Small-Angle Neutron Scattering - from Nanoscale Magnetism to Long-Range Magnetic Structures
Yes (verified by ORBilu)
International
0021-8898
1600-5767
Oxford
United Kingdom
[en] polarized neutron scattering ; uniaxial polarization analysis ; small-angle neutron scattering ; micromagnetics ; magnetic nanocomposites
[en] Based on Brown’s static equations of micromagnetics, the uniaxial polarization
of the scattered neutron beam of a bulk magnetic material is computed. The
approach considers a Hamiltonian that takes into account the isotropic
exchange interaction, the antisymmetric Dzyaloshinskii–Moriya interaction,
magnetic anisotropy, the dipole–dipole interaction, as well as the effect of an
applied magnetic field. In the high-field limit, the solutions for the magnetization
Fourier components are used to obtain closed-form results for the spinpolarized SANS (small-angle neutron scattering) cross sections and the ensuing
polarization. The theoretical expressions are compared with experimental data
on a soft magnetic nanocrystalline alloy. The micromagnetic SANS theory
provides a general framework for polarized real-space neutron methods, and it
may open up a new avenue for magnetic neutron data analysis on magnetic
microstructures.
Fonds National de la Recherche - FnR
Researchers ; Professionals ; Students ; General public ; Others
http://hdl.handle.net/10993/51467
10.1107/S1600576722003508

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