Reference : Magnetic small-angle neutron scattering by nanocrystalline terbium
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/594
Magnetic small-angle neutron scattering by nanocrystalline terbium
English
Weissmüller, J. [Forschungszentrum Karlsruhe, Institut für Nanotechnologie, Karlsruhe, Germany]
Michels, D. [Universität des Saarlandes, Technische Physik, Saarbrücken, Germany]
Michels, Andreas mailto [Universität des Saarlandes, Technische Physik, Saarbrücken, Germany]
Wiedenmann, A. [Hahn-Meitner Institut, BENSC, Berlin, Germany]
Krill, C. E. [Universität des Saarlandes, Technische Physik, Saarbrücken, Germany]
Sauer, H. M. [Universität des Saarlandes, Technische Physik, Saarbrücken, Germany]
Birringer, R. [Universität des Saarlandes, Technische Physik, Saarbrücken, Germany]
2001
Scripta Materialia
Pergamon Press - An Imprint of Elsevier Science
44
8
2357-2361
Yes (verified by ORBilu)
1359-6462
Oxford
United Kingdom
[en] Magnetic structure ; Neutron scattering ; Hard magnets
[en] We present an experimental study of the magnetic microstructure in the nanocrystalline hard magnet Tb. Field-dependent SANS data are analyzed quantitatively in terms of the correlation function of the spin misalignment. We find that up to applied fields of several Tesla the magnetization remains ‘locked in’ to the basal planes of the hcp crystal lattice of each individual crystallite; But that the in-plane orientation of the spins is highly nonuniform within each particle. This internal structure can be suppressed by the applied field.
http://hdl.handle.net/10993/594
10.1016/S1359-6462(01)00774-6

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