Adsorption and electronic structure of single C60F18 molecule on Si(111)-7×7 surface

R. Z. Bakhtizin, A. I. Oreshkin, P. Murugan, Vijay Kumar, J. T. Sadowski, Y. Fujikawa, Y. Kawazoe, Toshio Sakurai

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Scanning tunneling microscopy has been used to spatially image individual fluorofullerene C60F18 molecules on Si(111)-7×7 surface. The images have been interpreted with the help of ab initio calculations. C60F18 molecules interact with the surface with F atoms pointing down, whereas a large electric dipole moment of the molecule induces strong polarization on the surface but the charge transfer is small. It has been shown that during the time of image collection, some of the F atoms migrate from fluorofullerene molecule due to F binding energy on a Si surface being nearly twice the mean value on the C60 molecule.

Original languageEnglish
Pages (from-to)369-375
Number of pages7
JournalFullerenes Nanotubes and Carbon Nanostructures
Volume18
Issue number4-6
DOIs
Publication statusPublished - 2010 Oct 22

Keywords

  • Adsorption Fluorofullerence molecule CF
  • Scanning tunneling microscopy
  • Si(111) surface

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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