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FMR Studies of Co Nanowire Arrays

  • Conference paper
Nanostructured Magnetic Materials and their Applications

Part of the book series: NATO Science Series ((NAII,volume 143))

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Abstract

Magnetic properties of ultrahigh density Co nanowire arrays fabricated by a nanoporous template have been studied by ferromagnetic resonance (FMR) technique. Diblock copolymer P(S-b-MMA) composed of polystyrene and polymethylmethacrylate has been used to prepare the template for nanowire deposition. Two samples with the same wire length of 1 µm and different wire diameters of 24 and 12 nm have been grown by electrodeposition technique in the pores of the P(S-b-MMA) template. The fabricated nanowires were perpendicularly and hexagonally arrayed in the film plane. FMR signal has been studied as a function of orientation of the nanowire arrays with respect to the applied magnetic field. Very broad (a few kOe) FMR absorption lines have been observed. Linewidth, amplitude and resonance field of FMR spectra strongly depend on the orientation of the applied field. The magnetic parameters have been obtained from experimental data by means of a theoretical model. The 24 nm thick nanowire arrays show a uniaxial anisotropy with the hard axis direction perpendicular to the sample plane (parallel to the wire axes).

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Author information

Authors and Affiliations

  1. Gebze Institute of Technology, 41400, Gebze-Kocaeli, Turkey

    O. Yalçın, F. Yıldız, B. Z. Rameev & B. Aktaş

  2. Department of Physics, Gaziosmanpaşa University, 60110, Tokat, Turkey

    O. Yalçın

  3. Kazan Physical-Technical Institute, 420029, Kazan, Russia

    B. Z. Rameev

  4. Department of Physics, University of Massachusetts, Amherst, MA, 01003, USA

    M. T. Tuominen & M. Bal

  5. Department of Physics, Marmara University, 81040, Göztepe — İstanbul, Turkey

    M. Özdemir

Authors
  1. O. Yalçın
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  2. F. Yıldız
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  3. B. Z. Rameev
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  4. M. T. Tuominen
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  5. M. Bal
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  6. M. Özdemir
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  7. B. Aktaş
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Editor information

Editors and Affiliations

  1. Gebze Institute of Technology, P.O. 141, 41400, Gebze Kocaeli, Turkey

    Bekir Aktaş

  2. Kazan State University, 420008, Kazan, Russian Federation

    Lenar R. Tagirov

  3. Institute of Physics of NAS, Baku, Azerbaijan

    Faik Mikailov

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© 2004 Springer Science+Business Media Dordrecht

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Yalçın, O. et al. (2004). FMR Studies of Co Nanowire Arrays. In: Aktaş, B., Tagirov, L.R., Mikailov, F. (eds) Nanostructured Magnetic Materials and their Applications. NATO Science Series, vol 143. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2200-5_27

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  • DOI: https://doi.org/10.1007/978-1-4020-2200-5_27

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-2004-9

  • Online ISBN: 978-1-4020-2200-5

  • eBook Packages: Springer Book Archive

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