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Production and stability of multiply charged C60 and C70 fullerene ions

✍ Scribed by C.W. Walter; Y.K. Bae; D.C. Lorents; J.R. Peterson

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
745 KB
Volume
195
Category
Article
ISSN
0009-2614

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✦ Synopsis

The stability of multiply charged CsO and &, fullerene ions has been investigated through studies of charge transfer reactions with Cs at l-2 keV energies. A simple electron impact ion source is used to produce surprisingly intense beams of C$ , CM, C&? , C:,+ , and C&+ Fragmentation of C3+ 60 and C$ following successive charge transfer reactions is observed by (energy/charge) analysis of the product ions. The usefulness of producing internally excited CeO ions via electron capture from Cs is demonstrated. The results indicate that the lifetime of CtO+ against metastable decomposition is on the order of lo-100 ps for internal energies of 30-35 eV. The stability of Czt against Coulomb explosion is discussed.

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