http://www.cnr.it/ontology/cnr/individuo/prodotto/ID191586
Magnéli-like phases in epitaxial anatase TiO2 thin films (Articolo in rivista)
- Type
- Label
- Magnéli-like phases in epitaxial anatase TiO2 thin films (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.86.104110 (literal)
- Alternative label
Ciancio R.; Carlino E.; Rossi G.; Aruta C.; Scotti Di Uccio U.; Vittadini A.; Selloni A. (2012)
Magnéli-like phases in epitaxial anatase TiO2 thin films
in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ciancio R.; Carlino E.; Rossi G.; Aruta C.; Scotti Di Uccio U.; Vittadini A.; Selloni A. (literal)
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- http://prb.aps.org/abstract/PRB/v86/i10/e104110 (literal)
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- ISI Web of Science (WOS) (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1-3 : CNR-IOM TASC, Area Science Park, Basovizza S.S. 14 Km 163.5, I-34149 Trieste, Italy /
3 : Department of Physics, University of Milano, Via Celoria 16, I-20100 Milano, Italy
4,5 : CNR-SPIN and Dipartimento di Scienze Fisiche, Complesso Universitario di Monte S.Angelo, Via Cintia, I-80126 Napoli, Italy /
6 : C/o Department of Chemical Sciences, CR-INSTM Village, University of Padua, Via Marzolo 1, I-35131 Padova, Italy
7 : Department of Chemistry, Princeton University, Princeton, NJ 08544, United States (literal)
- Titolo
- Magnéli-like phases in epitaxial anatase TiO2 thin films (literal)
- Abstract
- Using high-resolution transmission electron microscopy and image simulation techniques in combination
with ab initio calculations, we show the existence of two different superlattices of crystallographic shear
planes, analogous to the Magnéli phases of rutile, in oxygen-deficient films of anatase TiO2 epitaxially
grown on LaAlO3 substrates. (103)- and (101)-oriented shear plane structures are detected in the outer film
region and in proximity of the film/substrate interface, respectively. We show that these shear planes are
characterized by TiO-like cubic local structures, which can deviate from the TinO2n-1 stoichiometry of the
classical rutile-derived Magnéli phases, particularly in the outer part of the film. Computed formation energies
provide insights into the thermodynamic stability of the observed structures and their relations to the growth
dynamics. (literal)
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