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  The Structure of a Silica Thin Film on Oxidized Cu(111): Conservation of Honeycomb Lattice and Role of the Interlayer

Navarro, J. J., Tosoni, S., Bruce, J. P., Chaves, L., Heyde, M., Pacchioni, G., et al. (2020). The Structure of a Silica Thin Film on Oxidized Cu(111): Conservation of Honeycomb Lattice and Role of the Interlayer. The Journal of Physical Chemistry C, 124(38), 20942-20949. doi:10.1021/acs.jpcc.0c05463.

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 Creators:
Navarro, Juan Jesus1, Author              
Tosoni, Sergio2, Author
Bruce, Jared P.1, Author              
Chaves, Lara1, Author              
Heyde, Markus1, Author              
Pacchioni, Gianfranco 2, Author
Roldan Cuenya, Beatriz1, Author              
Affiliations:
1Interface Science, Fritz Haber Institute, Max Planck Society, ou_2461712              
2Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca, Via Cozzi 53, 20125Milano, Italy, ou_persistent22              

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 Abstract: There is a crucial role of the metal-oxide interface in determining the growth ofsilica thin films. However, only a few metallic substrates have been explored so far.In previous studies, metal substrates exhibiting unreconstructed surfaces under oxygenexposure have been analyzed. In this work, we study the structure of a silica thinfilm grown on Cu(111) and propose that a copper oxide film formed at the interfaceinhibits the appearance of defects and domain boundaries. Our results suggest that thesilica film structure has flexible connections with the copper oxide interlayer leadingto a lattice solely composed of six-membered rings. This honeycomb configuration iscertainly of importance in the design of well-defined two-dimensional oxide thin films onmetallic substrates as well as for catalysis applications involving metal-oxide interfaces.

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Language(s): eng - English
 Dates: 2020-06-162020-08-282020-09-24
 Publication Status: Published in print
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acs.jpcc.0c05463
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Title: The Journal of Physical Chemistry C
  Abbreviation : J. Phys. Chem. C
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: 8 Volume / Issue: 124 (38) Sequence Number: - Start / End Page: 20942 - 20949 Identifier: ISSN: 1932-7447
CoNE: https://pure.mpg.de/cone/journals/resource/954926947766