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Title

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

AuthorsClavero Pérez, César CSIC ORCID; Sepúlveda, Borja CSIC ORCID; Armelles Reig, Gaspar CSIC ORCID; Konstantinović, Z.; García del Muro, M.; Labarta, A.; Batlle, X.
KeywordsCobalt
Zirconium compounds
Magneto-optical effects
Nanoparticles
Size effect
Thin films
Particle size
Issue Date12-Oct-2006
PublisherAmerican Institute of Physics
CitationJournal of Applied Physics 100, 074320 (2006)
AbstractWe 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.
Publisher version (URL)http://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
Appears in Collections:(IMN-CNM) Artículos

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