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Study of Nanostructured Cu-Ferrospinel For Magnetic Storage Media

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Book cover Magnetic Storage Systems Beyond 2000

Part of the book series: NATO Science Series ((NAII,volume 41))

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Abstract

Ferrospinel oxide powders were obtained by co-precipitation in alkaline medium of Fe3+ and Cu2+ cations from water solutions of chlorides of these elements. Two kinds of Cu-spinel powders were synthesized— cubic and tetragonal— depending on the Cu/Fe ratio in the solution. The size of the particles was about 6.5 nm. The Moessbauer analysis showed superparamagnetic properties for the two kinds of powders. The M(H) curves showed non-hysteretic behavior at room temperature, and different saturation magnetization and hysteresis loops at 4.2 K and high magnetic fields. The modified ferrite plating enabled us to produce Cu-ferrospinel films with cubic and tetragonal crystalline structure and to study Jahn-Teller distortion. The films with JT distortion showed coercivities of 900 0e.

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Author information

Authors and Affiliations

  1. Institute of Electronics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, I784, Sofia, Bulgaria

    I. Nedkov, T. Merodiiska & L. Milenova

  2. Institute of Materials Science, National Center for Scientific Research “Demokritos”, 153 10Ag. Paraskevi, Athens, Greece

    G. Kallias & D. Niarchos

Authors
  1. I. Nedkov
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  2. T. Merodiiska
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  3. L. Milenova
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  4. G. Kallias
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  5. D. Niarchos
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Editor information

Editors and Affiliations

  1. University of Delaware, Newark, DE, USA

    George C. Hadjipanayis

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© 2001 Springer Science+Business Media Dordrecht

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Nedkov, I., Merodiiska, T., Milenova, L., Kallias, G., Niarchos, D. (2001). Study of Nanostructured Cu-Ferrospinel For Magnetic Storage Media. In: Hadjipanayis, G.C. (eds) Magnetic Storage Systems Beyond 2000. NATO Science Series, vol 41. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0624-8_38

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  • DOI: https://doi.org/10.1007/978-94-010-0624-8_38

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-0118-5

  • Online ISBN: 978-94-010-0624-8

  • eBook Packages: Springer Book Archive

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