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 ![]() | |
Titov, Ivan ![]() | |
Dewhurst, Charles [Institut Laue-Langevin] | |
Suzuki, Kiyonori ![]() | |
Honecker, Dirk ![]() | |
Michels, Andreas ![]() | |
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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