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Interplay between theory and experiment in the quest for silica with reduced dimensionality grown on a Mo(112) surface
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2006 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 424, no 1-3, 115-119 p.Article in journal (Refereed) Published
Abstract [en]

The stability of ordered one- and two-dimensional silica structures formed on a Mo(112) surface as a function of silicon coverage and oxygen pressure (phase diagram) is derived from density functional theory. At elevated oxygen pressures formation of a new, previously not considered structure of two-dimensional silica film is predicted. It contains additional oxygen atoms adsorbed directly on the Mo(112) surface underneath a two-dimensional network of corner sharing [SiO4] tetrahedra. The existence of the new phase is confirmed experimentally using infrared reflection absorption spectroscopy and X-ray photoelectron spectroscopy.

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2006. Vol. 424, no 1-3, 115-119 p.
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URN: urn:nbn:se:kth:diva-49030DOI: 10.1016/j.cplett.2006.04.072ISI: 000238301300023OAI: diva2:461337
QC 20111205Available from: 2011-12-02 Created: 2011-11-24 Last updated: 2011-12-05Bibliographically approved

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Weissenrieder, Jonas
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