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Magnetic system for small-angle neutron scattering investigation at YUMO instrument of nanomaterials
Balasoiu, M.; Kirilov, A.S.; Kutuzov, S.A.; Smirnov, A.A.; Kuklin, A.I.; Kappel, W.; Cios, M.; Cios, A.
Frank Lab. of Neutron Physics, Joint Inst. for Nuclear Research, Dubna (Russian Federation)2009
Frank Lab. of Neutron Physics, Joint Inst. for Nuclear Research, Dubna (Russian Federation)2009
AbstractAbstract
[en] SANS measurements using unpolarized neutron beams are able to provide quantitative information on the magnetic microstructure and the magnitude and microstructure of the magnetic anisotropy of nanomagnetic materials. Here we describe a new magnetic system for SANS at YUMO spectrometer. The system includes 2.5 T electromagnet established on a two-axes goniometric table, power supply, cooling system, PC-based control equipment. Main features of magnetic system are: big changeable gap for the samples (up to 130 mm size), computer controlled horizontal and vertical rotation and sufficiently large space for the sample holders. The system has been developed in cooperation with the INCDIE ICPE-CA (Bucharest) and CIPEC SRL (Bucharest). First experimental results of SANS in ferrofluids and magnetic elastomers obtained at YUMO spectrometer equipped with the new magnetic system are presented
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2009; 12 p; CONTRACT JINR-INCDIE ICPE-CA 08626319/021454-72; Also available online: http://www1.jinr.ru/Preprints/Preprints_index.html; 19 refs., 6 figs.
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