For the first time the anomaly temperature dependence of the anisotropy field H/sub A/ in carbon single-walled nanotubes (SWNTs) with magnetic nanoclusters was observed. It is shown that the reason of this phenomenon can be caused by a competition between dipolar interaction and anisotropy. It is found that the assembly of Ni nanoparticles shows the crossover to a collective magnetic ordering both initial and diluted SWNTs at the temperatures smaller than about 50 K.


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    Titel :

    Towards spintronics: superparamagnetism of nanoparticles in carbon nanotubes


    Beteiligte:
    Konchits, A.A. (Autor:in) / Motsnyi, F.V. (Autor:in) / Terranova, M.-L. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    882677 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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