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  Interplay between theory and experiment in the quest for silica with reduced dimensionality grown on a Mo(112) surface

Sierka, M., Todorova, T. K., Kaya, S., Stacchiola, D., Weissenrieder, J., Lu, J., et al. (2006). Interplay between theory and experiment in the quest for silica with reduced dimensionality grown on a Mo(112) surface. Chemical Physics Letters, 424(1-3), 115-119. doi:10.1016/j.cplett.2006.04.072.

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Sierka, Marek, Author
Todorova, Tanya K.1, Author
Kaya, Sarp2, Author           
Stacchiola, Dario2, Author           
Weissenrieder, Jonas2, Author           
Lu, Junling2, Author           
Gao, Hongjun, Author
Shaikhutdinov, Shamil2, Author           
Freund, Hans-Joachim2, Author           
Sauer, Joachim, Author
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1Max Planck Society, ou_persistent13              
2Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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 Abstract: 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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Title: Chemical Physics Letters
  Alternative Title : Chem. Phys. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 424 (1-3) Sequence Number: - Start / End Page: 115 - 119 Identifier: -