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Coulomb explosion in aromatic molecules and their deuterated derivatives

Tzallas, P., Kosmidis, C., Graham, P., Ledingham, K.W.D., McCanny, T., Hankin, S.M., Singhal, R.P., Taday, P.F., and Langley, A.J. (2000) Coulomb explosion in aromatic molecules and their deuterated derivatives. Chemical Physics Letters, 332 (3-4). 236 -242. ISSN 0009-2614 (doi:10.1016/S0009-2614(00)01285-9)

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Publisher's URL: http://dx.doi.org/10.1016/S0009-2614(00)01285-9

Abstract

Coulomb explosion within some aromatic molecules (furan, pyrrole, pyridine and pyrazine) and their deuterated derivatives induced by strong fs laser fields (~4*10/sup 16/ W/cm/sup 2/) is studied at lambda =790 nm by means of time-of-flight (TOF) mass spectrometry. It is found that in hydrogenated molecules the Coulomb explosion process begins at internuclear distances about twice larger than the equilibrium distance (R/sub e/), while the expansion of the molecular skeleton in the deuterated derivatives is smaller. Based on the estimated kinetic energy values of the fragment ions, the charge distribution in the transient molecular species is also discussed.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Singhal, Dr Ravi and Ledingham, Prof Kenneth
Authors: Tzallas, P., Kosmidis, C., Graham, P., Ledingham, K.W.D., McCanny, T., Hankin, S.M., Singhal, R.P., Taday, P.F., and Langley, A.J.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Chemical Physics Letters
ISSN:0009-2614

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