Magnetic force microscopy and energy loss imaging of superparamagnetic iron oxide nanoparticles (Articolo in rivista)

Type
Label
  • Magnetic force microscopy and energy loss imaging of superparamagnetic iron oxide nanoparticles (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/srep00202 (literal)
Alternative label
  • Torre B., Bertoni G., Fragouli D., Falqui A., Salerno M., Diaspro A., Cingolani R., Athanassiou, A. (2011)
    Magnetic force microscopy and energy loss imaging of superparamagnetic iron oxide nanoparticles
    in Scientific reports (Nature Publishing Group); NATURE PUBLISHING GROUP,, LONDON (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Torre B., Bertoni G., Fragouli D., Falqui A., Salerno M., Diaspro A., Cingolani R., Athanassiou, A. (literal)
Pagina inizio
  • 202 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Italian Institute of Technology (IIT), Nanobiotechnology Department, Via Morego 30, I-16163 Genova, Italy; IMEM-CNR, Parco, Area delle Scienze 37/A, I-43124 Parma, Italy; Center for Biomolecular Nanotechnologies at UniLe, Istituto Italiano di Tecnologia, via Barsanti, 73010 Arnesano, Lecce, Italy (literal)
Titolo
  • Magnetic force microscopy and energy loss imaging of superparamagnetic iron oxide nanoparticles (literal)
Abstract
  • We present quantitative, high spatially resolved magnetic force microscopy imaging of samples based on 11 nm diameter superparamagnetic iron oxide nanoparticles in air at room temperature. By a proper combination of the cantilever resonance frequency shift, oscillation amplitude and phase lag we obtain the tip-sample interaction maps in terms of force gradient and energy dissipation. These physical quantities are evaluated in the frame of a tip-particle magnetic interaction model also including the tip oscillation amplitude. Magnetic nanoparticles are characterized both in bare form, after deposition on a flat substrate, and as magnetically assembled fillers in a polymer matrix, in the form of nanowires. The latter approach makes it possible to reveal the magnetic texture in a composite sample independently of the surface topography. (literal)
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