One-pot synthesis and characterization of size-controlled bimagnetic FePt-iron oxide heterodimer nanocrystals (Articolo in rivista)

Type
Label
  • One-pot synthesis and characterization of size-controlled bimagnetic FePt-iron oxide heterodimer nanocrystals (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Figuerola A., Fiore A., Di Corato R., Falqui A., Giannini C. 1, Micotti E., Lascialfari A., Corti M., Cingolani R., Pellegrino T., Cozzoli P.D. and Manna L. (2008)
    One-pot synthesis and characterization of size-controlled bimagnetic FePt-iron oxide heterodimer nanocrystals
    in Journal of the American Chemical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Figuerola A., Fiore A., Di Corato R., Falqui A., Giannini C. 1, Micotti E., Lascialfari A., Corti M., Cingolani R., Pellegrino T., Cozzoli P.D. and Manna L. (literal)
Pagina inizio
  • 1477 (literal)
Pagina fine
  • 1487 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 130 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Figuerola, Albert; Fiore, Angela; Cingolani, Roberto; Cozzoli, Pantaleo Davide] Univ Salento, Distretto Tecnol ISUFI, Scuola Super ISUFI, I-73100 Lecce, Italy; [Figuerola, Albert; Fiore, Angela; Di Corato, Riccardo; Cingolani, Roberto; Pellegrino, Teresa; Cozzoli, Pantaleo Davide; Manna, Liberato] CNR, INFM, Natl Nanotechnol Lab, Unita Ricerca IIT, I-73100 Lecce, Italy; [Falqui, Andrea] Inst Natl Sci Appl, Lab Phys & Chim Nanoobjets, F-31077 Toulouse, France; [Giannini, Cinzia] CNR, IC, I-70126 Bari, Italy; [Micotti, Ecloardo; Lascialfari, Alessandro; Corti, Maurizio] Univ Pavia, Dipartimento Fis A Volta, I-27100 Pavia, Italy; [Micotti, Ecloardo; Lascialfari, Alessandro; Corti, Maurizio] Unita CNR, INFM, I-27100 Pavia, Italy; [Micotti, Ecloardo; Lascialfari, Alessandro; Corti, Maurizio] CNISM, I-27100 Pavia, Italy; [Lascialfari, Alessandro] Ist Fis Gen & Chim Biol G Esposito, Milan, Italy; [Lascialfari, Alessandro] S3 CNR INFM, Modena, Italy - Univ. del Salento, Scuola Superiore ISUFI, Distretto Tecnologico ISUFI, Lecce - National Nanotechnology Laboratory of CNR-INFM, Unità di Ricerca IIT, Lecce - Lab. de Physique et de Chimie des Nanoobbjects-INSA, Tolouse, France 1- CNR-IC, Sede di Bari - Univ. di Pavia, Dip. di Fisica \"A. Volta\" - Unità CNR-INFM and CNISM, Pavia - Istituto di Fisiologia Generale e Chimica Biologica, Milano - S3-CNR-INFM, Modena (literal)
Titolo
  • One-pot synthesis and characterization of size-controlled bimagnetic FePt-iron oxide heterodimer nanocrystals (literal)
Abstract
  • A one-pot, two-step colloidal strategy to prepare bimagnetic hybrid nanocrystals (HNCs), comprising size-tuned fcc FePt and inverse spinel cubic iron oxide domains epitaxially arranged in a heterodimer configuration, is described. The HNCs have been synthesized in a unique surfactant environment by temperature-driven sequential reactions, involving the homogeneous nucleation of FePt seeds and the subsequent heterogeneous growth of iron oxide. This self-regulated mechanism offers high versatility in the control of the geometric features of the resulting heterostructures, circumventing the use of more elaborate seeded growth techniques. It has been found that, as a consequence of the exchange coupling between the two materials, the HNCs exhibit tunable single-phase-like magnetic behavior, distinct from that of their individual components. In addition, the potential of the heterodimers as effective contrast agents for magnetic resonance imaging techniques has been examined. (literal)
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