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SYCF: Symposium Cluster und Fullerene
SYCF 8: Fullerene und Nanotubes
SYCF 8.2: Vortrag
Donnerstag, 18. März 1999, 16:45–17:00, MP1
Highly Exciting C60 — •G. von Helden1,2, B. Sartakov3, D. van Heijnsbergen1,2, I. Holleman1, and G. Meijer1,2 — 1Department of Molecular and Laser Physics, University of Nijmegen Toernooiveld, NL-6525 ED Nijmegen — 2FOM-Institute for Plasma Physics Rijnhuizen, Edisonbaan 14, NL-3430 BE Nieuwegein — 3General Physics Institute, Russian Academy of Sciences, Vavilovstreet 38, 117942 Moscow, Russia
Gas phase C60 is resonantly excited using picosecond infrared (IR)
pulses from a free electron laser [1]. The excitation can be very high,
reaching levels where the thermal emission of electrons from C60
is observed. The excitation is much more efficient when the
macropulse of the IR radiation is chirped to lower frequencies.
The excitation process is modeled and the results can be compared to
the experiment.
[1] G. von Helden, I. Holleman, G.M.H. Knippels, A.F.G. van der Meer, and G. Meijer, Phys. Rev. Lett. 79, 5234 (1997); G. von Helden, I. Holleman, A.J.A. van Roij, G.M.H. Knippels, A.F.G. van der Meer, and G. Meijer, Phys. Rev. Lett. 81, 1825 (1998).