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Electronic and geometric structure of methyl oxirane adsorbed on Si(100)2 x 1

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Author

  • M. N. Piancastelli
  • Z. Bao
  • Franz Hennies
  • O. Travnikova
  • D. Ceolin
  • T. Kampen
  • K. Horn

Summary, in English

Electronic and geometric properties of the adsorbate-substrate complex formed upon adsorption of methyl oxirane on Si(1 0 0)2 x 1 at room temperature is reported, obtained with synchrotron radiation-induced valence and core-level photoemission. A ring-opening reaction is demonstrated to occur, followed by a five-membered ring formation involving two of the Si surface atoms bound to a surface dimer. Core-level photoemission spectra support the ring-opening reaction and the Si-O and Si-C bond formation, while from the valence spectra a more extended molecular fragmentation can be ruled out. We discuss the most likely geometry of the five-membered ring. (C) 2007 Elsevier B.V. All rights reserved.

Department/s

Publishing year

2007

Language

English

Pages

108-112

Publication/Series

Applied Surface Science

Volume

254

Issue

1

Document type

Journal article

Publisher

Elsevier

Topic

  • Natural Sciences
  • Physical Sciences

Keywords

  • geometrical structure
  • adsorption
  • electronic structure
  • semiconductors

Status

Published

ISBN/ISSN/Other

  • ISSN: 1873-5584