Small Angle Neutron Scattering Investigations of Spin Disorder in Nanocomposite Soft Magnets

Oscar Moze 3Carlo Vecchini 4Andreas Michels 2Kiyonori Suzuki 5John Michael Cadogan 6Klaus Pranzas 1Joerg Weissmueller 7

1. GKSS Research Centre, Geesthacht, Germany, Geestacht, Germany
2. Technische Physik, Universität Saarbrücken, Germany, Saarbrücken, Germany
3. INFM-S3 National Research Centre and Physics Dept, University of Modena and Reggio Emilia, Italy, Modena, Italy
4. INFM-S3 National Research Centre and Physics Dept, University of Modena and Reggio Emilia, Italy, Modena, Italy
5. School of Physics and Materials Engineering, Monash University, Australia, Melbourne, Australia
6. School of Physics, University of New South Wales, Australia, Sydney, Australia
7. Forschungszentrum, Karlsruhe, Institut fur Nanotechnologie, Germany, Karlsruhe, Germany


The technique of small angle neutron scattering (SANS) furnishes unique information on the length scale and local magnetic anisotropy at the nanoscale in nanocomposite ferromagnets. Such information is not presently available using any other microscopic technique. The basic principles and results of the SANS technique will be presented with regard to a unique and unexpected observation of a dipole field controlled spin disorder in a nanocomposite ferromagnet, FeZrBCu, which consists of bcc Fe particles embedded in a magnetically active amorphous matrix.

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Presentation: invited oral at E-MRS Fall Meeting 2005, Symposium B, by Carlo Vecchini
See On-line Journal of E-MRS Fall Meeting 2005

Submitted: 2005-05-03 09:23
Revised:   2009-06-07 00:44
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