Abstract
Spatially resolved images of an individual C60F18 fluorofullerene molecule on Si(100) − 2 × 1 surface have been obtained using scanning tunneling microscopy. Scanning tunneling microscopy results and ab initio calculations show that the fluorofullerene molecules interact with the Si(100) − 2 × 1 surface with F atoms pointing down towards the surface. The adsorption energy of a C60F18 molecule on Si(100) − 2 × 1 surface is ∼12.1 eV, which is much higher than the adsorption energy of the same molecule on Si(111) − 7 × 7 surface (6.65 eV). C60F18 molecules are located in the troughs in-between the dimer rows occupying the four-dimer site on Si(100) − 2 × 1 surface.
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Oreshkin, A.I., Bakhtizin, R.Z., Murugan, P. et al. Initial stage of the adsorption of fluorofullerene molecules on Si surface. Jetp Lett. 92, 449–452 (2010). https://doi.org/10.1134/S0021364010190033
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DOI: https://doi.org/10.1134/S0021364010190033