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Two-dimensional spatially ordered system of nickel nanowires probed by polarized SANS |
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| Authors: | KS Napolskii AP Chumakov SV Grigoriev NA Grigoryeva H Eckerlebe AA Eliseev AV Lukashin YuD Tretyakov |
| Institution: | aDepartment of Materials Science, Moscow State University, 119992 Moscow, Russia;bPetersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia;cFaculty of Physics, St-Petersburg State University, 198504 St. Petersburg, Russia;dGKSS Forschungszentrum, 21502 Geesthacht, Germany |
| Abstract: | Structural and magnetic properties of two-dimensional spatially ordered system of ferromagnetic nickel nanowires embedded into Al2O3 matrix have been studied using polarized small-angle neutron scattering. The small-angle diffraction pattern exhibits many diffraction peaks, which corresponds to the scattering from highly correlated hexagonal structure of pores and magnetic nanowires. Magnetic contribution to the scattering has complex behavior and cannot be explained without taking into account stray fields located between magnetized nanowires. |
| Keywords: | Anodic aluminum oxide Magnetic nanowires Polarized small-angle neutron diffraction |
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