Fragmentation, charge transfer and chemical reactions in C+60/C+70-SP6 collisions

R. Ehlich, H. Sprang, M. Westerburg, E. E.B. Campbell

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Collisions of C+60 and C+70 with SF6 were investigated in a time of flight mass spectrometer and compared with the results of collisions with Ar and Xe. Reaction cross sections were determined as a function of the center of mass collision energy between 25 and 300 eV. The influence of thermal excitation on fragmentation was examined. The effects of additional vibrational degrees of freedom in the case of SF6 on the fragmentation cross sections are discussed. Charge transfer reactions producing C2+60 or C2+70 were observed only with SF6. Thermal electron emission from highly excited C-60 was used for the formation of an intense neutral C60 beam with 1 keV kinetic energy which was used to investigate charge transfer in neutral C60+SF6 collisions. Reaction products CnF+, n = 1-11, were found in SF6 collisions.

Original languageEnglish
Pages (from-to)9390-9397
Number of pages8
JournalJournal of Chemical Physics
Issue number22
StatePublished - 8 Jun 1998


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