Cluster-assembled cubic zirconia films with tunable and stable nanoscale morphology against thermal annealing

F. Borghi, Elisa Sogne, C. Lenardi, A. Podestà, M. Merlini, C. Ducati, P. Milani

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Nanostructured zirconium dioxide (zirconia) films are very promising for catalysis and biotechnological applications: a precise control of the interfacial properties of the material at different length scales and, in particular, at the nanoscale, is therefore necessary. Here, we present the characterization of cluster-assembled zirconia films produced by supersonic cluster beam deposition possessing cubic structure at room temperature and controlled nanoscale morphology. We characterized the effect of thermal annealing in reducing and oxidizing conditions on the crystalline structure, grain dimensions, and topography. We highlight the mechanisms of film growth and phase transitions, which determine the observed interfacial morphological properties and their resilience against thermal treatments. Published by AIP Publishing.
Original languageEnglish (US)
Pages (from-to)055302
JournalJournal of Applied Physics
Volume120
Issue number5
DOIs
StatePublished - Aug 5 2016

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