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On the magnetic structure of magnetite/oleic acid/benzene ferrofluids by small-angle neutron scattering |
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| Authors: | M V Avdeev M Balasoiu V L Aksenov V M Garamus J Kohlbrecher D Bica L Vekas |
| Institution: | a Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow Reg., Russia b GKSS Research Centre, Geesthacht, Germany c Paul Scherrer Institute, Villigen, Switzerland d Center of Fundamental and Advanced Technical Research, Timisoara Branch of RAS, Romania |
| Abstract: | Magnetic small-angle scattering of non-polarized and polarized neutrons from ferrofluds (magnetite covered by oleic acid in benzene) is analyzed. A complex correlation in the magnetic structure is observed. It takes place at the length of more than the particle size, and has a core-shell-like organization. Along with it no spatial interparticle correlation in the nuclear structure is detected. |
| Keywords: | Author Keywords: Ferrofluids Magnetic fluids Small-angle neutron scattering Polarized neutrons |
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