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Título

Nanocrystal size dependence of the third-order nonlinear optical response of Cu:Al2O3 thin films

AutorBallesteros, J. M.; Solís Céspedes, Javier ; Serna, Rosalía ; Afonso, Carmen N.
Fecha de publicación10-may-1999
EditorAmerican Institute of Physics
CitaciónApplied Physics Letters 74(19): 2791 (1999)
ResumenMetal nanocomposite thin films formed by Cu nanocrystals embedded in an amorphous Al2O3 host have been synthesized by pulsed laser deposition. The mean nanocrystal diameter d was varied in the range 3.0 ± 0.6 to 6 ± 1 nm. The linear and nonlinear optical properties of the films were studied in the vicinity of the surface plasmon resonance and the size dependence of the third-order nonlinear optical susceptibility of the metal nanocrystals has been determined. The observed dependence (1/d3) indicates that in the studied diameter interval, the nonlinear response is due to quantum confinement effects in which the major contribution is associated with electronic intraband transitions.
Descripción3 pages, 3 figures.
Versión del editorhttp://dx.doi.org/10.1063/1.124015
URIhttp://hdl.handle.net/10261/21325
DOI10.1063/1.124015
ISSN0003-6951
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