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.
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7 August 2016
Research Article|
August 05 2016
Cluster-assembled cubic zirconia films with tunable and stable nanoscale morphology against thermal annealing
F. Borghi;
F. Borghi
1CIMAINA and Dipartimento di Fisica,
Università degli Studi di Milano
, via Celoria 16, 20133 Milano, Italy
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E. Sogne;
E. Sogne
a)
1CIMAINA and Dipartimento di Fisica,
Università degli Studi di Milano
, via Celoria 16, 20133 Milano, Italy
2
European School of Molecular Medicine (SEMM)
, IFOM-IEO, Milano, Italy
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C. Lenardi;
C. Lenardi
1CIMAINA and Dipartimento di Fisica,
Università degli Studi di Milano
, via Celoria 16, 20133 Milano, Italy
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A. Podestà;
A. Podestà
1CIMAINA and Dipartimento di Fisica,
Università degli Studi di Milano
, via Celoria 16, 20133 Milano, Italy
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M. Merlini;
M. Merlini
3Dipartimento di Scienze della Terra “Ardito Desio”,
Università degli Studi di Milano
, via Mangiagalli 32, 20133 Milano, Italy
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C. Ducati;
C. Ducati
4Department of Materials Science and Metallurgy,
University of Cambridge
, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom
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a)
Current address: King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering (BESE) Division, 23955-6900 Thuwal, Saudi Arabia.
b)
Author to whom correspondence should be addressed. Electronic mail: pmilani@mi.infn.it
J. Appl. Phys. 120, 055302 (2016)
Article history
Received:
May 15 2016
Accepted:
July 23 2016
Citation
F. Borghi, E. Sogne, C. Lenardi, A. Podestà, M. Merlini, C. Ducati, P. Milani; Cluster-assembled cubic zirconia films with tunable and stable nanoscale morphology against thermal annealing. J. Appl. Phys. 7 August 2016; 120 (5): 055302. https://doi.org/10.1063/1.4960441
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