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Magneto-optical properties of CoFe2O4 ferrofluids. Influence of the nanoparticle size distribution

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Trends in Colloid and Interface Science XVII

Part of the book series: Progress in Colloid and Polymer Science ((PROGCOLLOID,volume 126))

Abstract

This paper reports an experimental investigation on size-sorted cobalt ferrite (CoFe2O4) ferrofluids. The sample preparation and the size-sorting process are exposed. Faraday rotation measurements, performed with a null ellipsometer, and transmittance spectra are discussed using the size of the nanoparticles and the Co-to-Fe ratio. Comparison with the properties of γ-Fe2O3 particles is made. Finally the study shows that the ferrofluid factor of merit is enhanced by small particles.

Acknowledgement: We thank D. Talbot for experimental help.

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Authors and Affiliations

  1. Dispositifs et Instrumentation en Opto-électronique et Micro-onde, Université Jean Monnet, 23, rue Michelon, 42023 St., Etienne, France

    F. Royer, D. Jamon & J. J. Rousseau

  2. Liquides Ioniques et Interfaces Chargées, Université Pierre et Marie Curie, 4, place Jussieu, 75252, Paris, France

    D. Zins, V. Cabuil & S. Neveu

  3. Département de Physique des Matériaux, Université Claude Bernard, 43, Bd. du 11 Novembre, 69622, Villeurbanne, France

    H. Roux

Authors
  1. F. Royer
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  2. D. Jamon
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  3. J. J. Rousseau
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  4. D. Zins
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  5. V. Cabuil
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  6. S. Neveu
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  7. H. Roux
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Corresponding author

Correspondence to F. Royer .

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© 2004 Springer-Verlag Berlin Heidelberg

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Royer, F. et al. (2004). Magneto-optical properties of CoFe2O4 ferrofluids. Influence of the nanoparticle size distribution. In: Trends in Colloid and Interface Science XVII. Progress in Colloid and Polymer Science, vol 126. Springer, Berlin, Heidelberg. https://doi.org/10.1007/b94013

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  • DOI: https://doi.org/10.1007/b94013

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-20073-4

  • Online ISBN: 978-3-540-39761-8

  • eBook Packages: Springer Book Archive

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