Ordering of free-standing Co nanoparticles (Articolo in rivista)

Type
Label
  • Ordering of free-standing Co nanoparticles (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.msec.2003.09.099 (literal)
Alternative label
  • Leo G., Chushkin Y., Luby S., Majkova E., Kostic I., Ulmeanu M., Luches A., M. Giersig M., Hilgendorff M. (2003)
    Ordering of free-standing Co nanoparticles
    in Materials science & engineering. C, Biomimetic materials, sensors and systems (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Leo G., Chushkin Y., Luby S., Majkova E., Kostic I., Ulmeanu M., Luches A., M. Giersig M., Hilgendorff M. (literal)
Pagina inizio
  • 949 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 23 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISMN - CNR, Roma (literal)
Titolo
  • Ordering of free-standing Co nanoparticles (literal)
Abstract
  • Colloidal Co particles of 11 nm diameter were deposited on Si substrate by spin coating and/or casting in magnetic field. A perpendicular magnetic field varying along the diagonal of the substrate was also applied. The samples were analyzed by transmission electron microscopy (TEM), field emission gun scanning electron microscopy (SEM-FEG), atomic and magnetic force microscopy (AFM/MFM). TEM micrographs show local order when a Co nanoparticle monolayer is deposited on Si. Drying the colloidal solution in a magnetic field leads to the formation of quite large clusters (0.3 mm) of Co nanoparticles. A stripe structure has then been observed when the particles are deposited by casting in the varying magnetic field. AFM/MFM measurements show isolated Co clusters on the stripes. Magnetic features corresponding to the single Co clusters have been observed pointing out that all magnetic moments in the cluster are oriented along the field direction. (literal)
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