http://www.cnr.it/ontology/cnr/individuo/prodotto/ID195345
Bimagnetic CoO Core/CoFe2O4 Shell Nanoparticles: Synthesis and Magnetic Properties (Articolo in rivista)
- Type
- Label
- Bimagnetic CoO Core/CoFe2O4 Shell Nanoparticles: Synthesis and Magnetic Properties (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/cm2028959 (literal)
- Alternative label
Enio Lima Jr., Elin L. Winkler, Dina Tobia, Horacio E. Troiani, Roberto D. Zysler, Elisabetta Agostinelli, Dino Fiorani (2012)
Bimagnetic CoO Core/CoFe2O4 Shell Nanoparticles: Synthesis and Magnetic Properties
in Chemistry of materials; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Enio Lima Jr., Elin L. Winkler, Dina Tobia, Horacio E. Troiani, Roberto D. Zysler, Elisabetta Agostinelli, Dino Fiorani (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Centro Atómico Bariloche, CNEA-CONICET, 8400 S.C. de Bariloche, Río Negro, Argentina
Argentine-Italian Joint Laboratory of Nanomagnetism, LIANAM, Laboratorio Resonancias Magnéticas -CNEA / Istituto di Struttura della Materia - CNR
Istituto di Struttura della Materia, CNR, Area della Ricerca di Roma, C.P. 10, I-00016 Monterotondo Staz., Rome, Italy (literal)
- Titolo
- Bimagnetic CoO Core/CoFe2O4 Shell Nanoparticles: Synthesis and Magnetic Properties (literal)
- Abstract
- In this work we report on the synthesis, the microstructural characterization, and the magnetic properties of similar to 7 nm bimagnetic core/shell nanoparticles prepared by seed-mediated growth high temperature decomposition of organometallic precursor. The nanoparticles are formed by an antiferromagnetic CoO core coated with ferromagnetic CoFe2O4 shell of 2-3 run of thickness. XRD and electron diffraction patterns show the reflections of the structure of the CoFe2O4 and CoO phases and Dark- and Bright-field TEM images provide evidence of the core shell morphology of the system. Magnetic measurements show that the system presents a remarkably large coercivity and high squareness (at 5 K, Hc = 27.8 kOe and M-r/M-s = 0.79), compared to CoFe2O4 single phase nanoparticles of comparable size. The enhancement of the effective anisotropy is attributed to the surface and interface exchange coupling effects. (literal)
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