Exploring the Effect of Co Doping in Fine Maghemite Nanoparticles (Articolo in rivista)

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  • Exploring the Effect of Co Doping in Fine Maghemite Nanoparticles (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp300806j (literal)
Alternative label
  • E. Fantechi, G. Campo, D. Carta, A. Corrias, C. de Julia?n Ferna?ndez, D. Gatteschi, C. Innocenti, F. Pineider, F. Rugi, C. Sangregorio (2012)
    Exploring the Effect of Co Doping in Fine Maghemite Nanoparticles
    in Journal of physical chemistry. C; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. Fantechi, G. Campo, D. Carta, A. Corrias, C. de Julia?n Ferna?ndez, D. Gatteschi, C. Innocenti, F. Pineider, F. Rugi, C. Sangregorio (literal)
Pagina inizio
  • 8261 (literal)
Pagina fine
  • 8270 (literal)
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  • 116 (literal)
Rivista
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  • 9 (literal)
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  • 14 (literal)
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  • [E. Fantechi, G. Campo, C. de Julia?n Ferna?ndez, D. Gatteschi, C. Innocenti, F. Pineider, F. Rugi, C. Sangregorio] Univ Florence, INSTM, I-50019 Florence, Italy [E. Fantechi, G. Campo, C. de Julia?n Ferna?ndez, D. Gatteschi, C. Innocenti, F. Pineider, F. Rugi, C. Sangregorio] Univ Florence, Dept Chem U Schiff, I-50019 Florence, Italy [D. Carta, A. Corrias] Univ Cagliari, INSTM, I-09042 Cagliari, Italy [D. Carta, A. Corrias] Univ Cagliari, Dept Chem Sci, I-09042 Cagliari, Italy [C. de Julia?n Ferna?ndez, F. Pineider, C. Sangregorio] CNR ISTM, I-20133 Milan, Italy (literal)
Titolo
  • Exploring the Effect of Co Doping in Fine Maghemite Nanoparticles (literal)
Abstract
  • We present a study of the structural, magnetic, and magneto-optical properties of a series of Co-substituted ferrite nanoparticles (NPs) prepared by thermal decomposition of metallo-organic precursors in high boiling solvents. The structural characterization, carried out by using several techniques (transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray absorption spectroscopy (XAS), and magnetic circular dichroism measurements), showed all the samples are high crystalline, 5-6 nm spherical NPs with the cubic spinet structure typical of ferrites. The evolution of lattice parameters with cobalt content suggests that the material is Co-substituted maghemite, also confirmed by XAS and magneto optical (MO) characterizations. The investigation of the magnetic and magneto-optical properties displays peculiar trends with the cobalt content, the main magnetization and the anomalous dependence of magnetic anisotropy compositions. The large tuneability of this material makes it possible biomedical and sensing applications. features being the large increase of the saturation which reaches its maximum values for intermediate to implement the performances of devices used in biomedical and sensing applications. (literal)
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