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

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 108-112
Publikation/Tidskrift/Serie: Applied Surface Science
Volym: 254
Nummer: 1
Dokumenttyp: Artikel
Förlag: Elsevier Science B.V.

Sammanfattning

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.

Disputation

Nyckelord

  • Physics and Astronomy
  • geometrical structure
  • adsorption
  • electronic structure
  • semiconductors

Övriga

Published
Yes
  • ISSN: 0169-4332

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