Electron stimulated polymerization of solid C60

Electron-stimulated modifications to pure C60 films grown on GaAs(110) have been induced by ∼3 eV electrons from a scanning tunneling microscope (STM) and from 1500 eV electrons from an electron gun. In the STM-modified area, a variety of apparent molecular sizes and shapes were observed with intram...

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Bibliographic Details
Published in:Applied physics letters 1994-01, Vol.64 (5), p.577-579
Main Authors: Zhao, Y. B., Poirier, D. M., Pechman, R. J., Weaver, J. H.
Format: Article
Language:English
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Summary:Electron-stimulated modifications to pure C60 films grown on GaAs(110) have been induced by ∼3 eV electrons from a scanning tunneling microscope (STM) and from 1500 eV electrons from an electron gun. In the STM-modified area, a variety of apparent molecular sizes and shapes were observed with intramolecular contrast and a blurring of intermolecular distinction. Surfaces bombarded by 1500 eV electrons showed modifications over larger areas and these results suggested a growth mode for polymerization. Annealing of such modified surfaces restored the ordered fcc structure.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.111113