Electronic spectroscopy of ionic clusters

E. J. Bieske; A. M. Soliva; A. Friedmann; John P. Maier

doi:10.1117/12.58142

1 April 1992 Electronic spectroscopy of ionic clusters

E. J. Bieske, A. M. Soliva, A. Friedmann, John P. Maier

Proceedings Volume 1638, Optical Methods for Time- and State-Resolved Chemistry; (1992) https://doi.org/10.1117/12.58142
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

The electronic transitions of the ionic clusters N₂⁺-He_n (n equals 1,2,3), N₂⁺-Ne, and N₂O⁺-Ne have been detected. The cluster ions, produced by electron impact of a pulsed, seeded supersonic expansion, are mass-selected and injected into an octopole where the electronic transition is induced by a tunable, pulsed laser. The electronic spectra are recorded by detecting the yield of fragment ions, produced by vibrational predissociation within the octopole, in a further quadrupole mass-selector, as a function of the laser wavelength. The spectra show rotational and/or vibrational structure, which has been analyzed to provide information on the structure, binding energies, and vibrational frequencies of these species.

Citation Download Citation

E. J. Bieske, A. M. Soliva, A. Friedmann, and John P. Maier "Electronic spectroscopy of ionic clusters", Proc. SPIE 1638, Optical Methods for Time- and State-Resolved Chemistry, (1 April 1992); https://doi.org/10.1117/12.58142

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