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Magnetic and Crystalline Nanostructures in Ferrofluids as Probed by Small Angle Neutron Scattering

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Ferrofluids

Part of the book series: Lecture Notes in Physics ((LNP,volume 594))

Abstract

We present a newly developedtec hnique of nuclear andmagnetic contrast variation by using polarisedneutrons in Small Angle Neutron Scattering (SANSPOL) which allows density, concentration and magnetisation fluctuations in magnetic liquids to be analysedsim ultaneously. DilutedF errofluids basedon different magnetic materials (Co, Magnetite, Ba-ferrite) andstabilizedb y charges or surfactants in different carrier liquids have been investigated. In such polydisperse systems several constituents of similar sizes have been identified by this technique: Magnetic core-shell composites, magnetic aggregates and free surfactants. The corresponding size distributions, compositions and magnetic moments have been determined. In more concentrated Co-FF the nature of field induced particle arrangements has been determined.

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Author information

Authors and Affiliations

  1. Hahn-Meitner-Institut Berlin, Glienicker Strasse 100, D-14109, Berlin, Germany

    Albrecht Wiedenmann

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  1. Albrecht Wiedenmann
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Editor information

Editors and Affiliations

  1. ZARM, Universität Bremen, Am Fallturm, 28359, Bremen, Germany

    Stefan Odenbach

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© 2002 Springer-Verlag Berlin Heidelberg

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Wiedenmann, A. (2002). Magnetic and Crystalline Nanostructures in Ferrofluids as Probed by Small Angle Neutron Scattering. In: Odenbach, S. (eds) Ferrofluids. Lecture Notes in Physics, vol 594. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45646-5_3

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  • DOI: https://doi.org/10.1007/3-540-45646-5_3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-43978-3

  • Online ISBN: 978-3-540-45646-9

  • eBook Packages: Springer Book Archive

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