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Bimetallic nanostructures are, nowadays, largely investigated in several technological applications due to the synergistic combination of the properties of the two constituting metallic elements. In this regard, AuPd nanostructures are particularly promising combining the peculiar plasmonic properties of Au and the catalytic characteristics of Pd in nanoscale form.Hence, we report here on a thermal-induced dewetting process of deposited bimetallic AuPd films in order to obtain two-dimensional arrays of AuPd nanostructures on SiC surface. SiC is chosen, here, as wide band-gap model substrate enabling potential applications in optical, sensing, energy fields.In particular, we focus our study on the effect of the thickness of the AuPd film and of the annealing temperature on the characteristics of the AuPd dewetting process and on the morphology of the resulting dewetted nanostructures.We sputter-deposited, on the …
Publication date: 
21 Dec 2021

F Ruffino, MG Grimaldi

Biblio References: 
Pages: 110548
Journal of Physics and Chemistry of Solids