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Application of a polarized neutron microbeam to the investigation of a magnetic microstructure |
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| Authors: | S V Kozhevnikov F Ott J Torrejón M Vázquez A Thiaville |
| Institution: | 1. Joint Institute for Nuclear Research, ul. Joliot-Curie 6, Dubna, Moscow oblast, 141980, Russia 2. CEA, IRAMIS, Laboratoire Léon Brillouin, Gif-sur-Yvette, F-91191, France 3. CNRS, IRAMIS, Laboratoire Léon Brillouin, Gif-sur-Yvette, F-91191, France 4. Laboratoire de Physique des Solides, Université Paris-Sud, CNRS, Batiment 510, Orsay, F-91405, France 5. Instituto de Ciencia Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz 3, Madrid, 28049, Spain |
| Abstract: | The application of a neutron microbeam to the investigation of an internal magnetic microstructure has been demonstrated experimentally. The object of investigation is an amorphous magnetic wire 190 μm in diameter, with the axial and circular magnetic domains formed inside it. A narrow neutron microbeam with a width of 2.6 μm, which is formed by a three-layer film (a planar waveguide) serves as the probe for scanning with a high spatial resolution. The method of investigation is the neutron spin precession upon transmission through the sample. |
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