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Title: Size mediated control of the optical and magneto-optical properties of Co nanoparticles in ZrO2
Author: Clavero, C.
Sepúlveda, B.
Armelles Reig, G.
Konstantinović, Zorica
García del Muro y Solans, Montserrat
Labarta, Amílcar
Batlle Gelabert, Xavier
Keywords: Microelectrònica
Propietats òptiques
Pel·lícules fines
Optical properties
Thin films
Issue Date: 2006
Publisher: American Institute of Physics
Abstract: We 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.
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It is part of: Journal of Applied Physics, 2006, vol. 100, núm. 7, p. 074320-1-074320-5
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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