GISAXS studies of self-assembling of colloidal Co nanoparticles (Articolo in rivista)

Type
Label
  • GISAXS studies of self-assembling of colloidal Co nanoparticles (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.msec.2005.09.053 (literal)
Alternative label
  • Chushkin, Y.; Chitu, L.; Halahovets, Y.; Luby, S.; Majkova, E.; Satka, A.; Leo, G.; Giersig, M.; Hilgendorff, M.; Holy, V.; Konovalov, O. (2006)
    GISAXS studies of self-assembling of colloidal Co nanoparticles
    in Materials science & engineering. C, Biomimetic materials, sensors and systems (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chushkin, Y.; Chitu, L.; Halahovets, Y.; Luby, S.; Majkova, E.; Satka, A.; Leo, G.; Giersig, M.; Hilgendorff, M.; Holy, V.; Konovalov, O. (literal)
Pagina inizio
  • 1136 (literal)
Pagina fine
  • 1140 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5-7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Slovak Academy of Sciences; Slovak University of Technology Bratislava; Slovak University of Technology Bratislava; Consiglio Nazionale delle Ricerche (CNR); Caesar Res Ctr; Masaryk University Brno; European Synchrotron Radiat Facil (literal)
Titolo
  • GISAXS studies of self-assembling of colloidal Co nanoparticles (literal)
Abstract
  • In this work we report on the formation of ordered monolayers (2-D) and arrays of rods (3-D) of magnetic Co nanoparticles in magnetic field perpendicular to the substrate surface. Samples were prepared by drying a droplet of colloidal solution of Co nanoparticles (10 nm diameter) on Si/Si3N4 substrates in magnetic field between 0.2 and 0.9 T. The samples were characterized by high resolution scanning electron microscopy (SEM), atomic and magnetic force microscopy (AFM/MFM) and grazing incidence small angle X-ray scattering (GISAXS). SEM studies of monolayers show well-ordered 2-D arrays with hexagonal symmetry of 200 nm x 500 nm in size forming a mosaic structure. Rods, about 500 mn in diameter, aligned with the field direction and forming a hexagonal pattern were obtained when higher concentration of colloid and low evaporation rate of the solvent were used. The ordering of nanoparticles in the monolayer analyzed by GISAXS is described by the local order with hexagonal symmetry. The model of close packing of hard spheres is used for ordering of particles inside the rods. Magnetic features corresponding to the 3-D arrays have been observed by MFM pointing out that all magnetic moments in the rod are oriented along the field direction. (c) 2005 Elsevier B.V All rights reserved. (literal)
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