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Título

Size mediated control of the optical and magneto-optical properties of Co nanoparticles in ZrO2

AutorClavero Pérez, César ; Sepúlveda, Borja ; Armelles Reig, Gaspar ; Konstantinović, Z.; García del Muro, M.; Labarta, A.; Batlle, X.
Palabras claveCobalt
Zirconium compounds
Magneto-optical effects
Nanoparticles
Size effect
Thin films
Particle size
Fecha de publicación12-oct-2006
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 100, 074320 (2006)
ResumenWe present a study of the optical and magneto-optical (MO) properties of Co nanoparticles embedded in ZrO2 in the spectral range from 1.4 to 4.3 eV. The nanostructured films were prepared by pulsed laser deposition in a wide range of Co nanoparticle concentrations varying from 20% to 80%. For Co concentration lower than x~0.45 the size of the nanoparticles was found to remain almost constant (D~2.5 nm), whereas it increases above it. Differences are found between the optical and MO constant of the Co nanoparticles and those of continuous Co films. Those differences are associated with size effects of the intraband contribution inside the nanoparticles.
Versión del editorhttp://link.aip.org/link/?JAPIAU/100/074320/1
http://dx.doi.org/10.1063/1.2356799
URIhttp://hdl.handle.net/10261/18293
DOI10.1063/1.2356799
ISSN0021-8979
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