| Reference : Magnetic neutron scattering by magnetic vortices in thin submicron-sized soft ferroma... |
| Scientific journals : Article | |||
| Physical, chemical, mathematical & earth Sciences : Physics | |||
| Physics and Materials Science | |||
| http://hdl.handle.net/10993/26934 | |||
| Magnetic neutron scattering by magnetic vortices in thin submicron-sized soft ferromagnetic cylinders | |
| English | |
| Metlov, K.L. [] | |
Michels, Andreas  [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >] | |
| 2016 | |
| Scientific Reports | |
| Nature Publishing Group | |
| 6 | |
| 25055 | |
| Yes (verified by ORBilu) | |
| International | |
| 2045-2322 | |
| London | |
| United Kingdom | |
| [en] neutron scattering ; micromagnetics ; vortex | |
| [en] Using analytical expressions for the magnetization textures of thin submicron-sized magnetic cylinders
in vortex state, we derive closed-form algebraic expressions for the ensuing small-angle neutron scattering (SANS) cross sections. Specifically, for the perpendicular and parallel scattering geometries, we have computed the cross sections for the case of small vortex-center displacements without formation of magnetic charges on the side faces of the cylinder. The results represent a significant qualitative and quantitative step forward in SANS-data analysis on isolated magnetic nanoparticle systems, which are commonly assumed to be homogeneously or stepwise-homogeneously magnetized. We suggest a way to extract the fine details of the magnetic vortex structure during the magnetization process from the SANS measurements in order to help resolving the long-standing question of the magnetic vortex displacement mode. | |
| Researchers ; Professionals | |
| http://hdl.handle.net/10993/26934 | |
| 10.1038/srep25055 | |
| http://www.nature.com/articles/srep25055 |
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