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Título

Catalytic growth of ZnO nanostructures by r.f. magnetron sputtering

AutorArroyo-Hernández, María ; Álvaro Bruna, Raquel ; Serrano, Sheila; Costa Krämer, José Luis
Fecha de publicación24-jun-2011
EditorBioMed Central
CitaciónNanoscale Research Letters. 24;6(1):437 (2011 )
ResumenAbstract The catalytic effect of gold seed particles deposited on a substrate prior to zinc oxide (ZnO) thin film growth by magnetron sputtering was investigated. For this purpose, selected ultra thin gold layers, with thicknesses close to the percolation threshold, are deposited by thermal evaporation in ultra high vacuum (UHV) conditions and subsequently annealed to form gold nanodroplets. The ZnO structures are subsequently deposited by r.f. magnetron sputtering in a UHV chamber, and possible morphological differences between the ZnO grown on top of the substrate and on the gold are investigated. The results indicate a moderate catalytic effect for a deposited gold underlayer of 4 nm, quite close to the gold thin film percolation thickness.
URIhttp://hdl.handle.net/10261/48937
Identificadoreshttp://dx.doi.org/10.1186/1556-276X-6-437
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