Multiphoton ionization of NO-rare gas van der Waals species
To date, most spectroscopic studies of electronic states of clusters involving small molecules and rare gas (RG) atoms have employed laser-induced fluorescence techniques. Consequently, such studies (e.g., Levy and co-workers on I/sub 2/-RG species have been limited to the lowest lying electronic states, which are usually velance in character. Furthermore, the identification of the cluster often must be inferred from spectral shifts, pressure dependence, etc. We have applied the technique of multiphoton ionization (MPI) to the study of electronic spectroscopy of NO-RG van der Waals species and extended the previous experiments of SATO et al. These works show several of the advantages of the MPI technique relative to the LIF method. Specifically, mass analysis can provide identification of the new species formed as well as allowing discrimination against other species (the parent monomer or higher clusters) while recording spectra. Furthermore, the use of MPI photoelectron spectroscopy can provide data on the states of the cluster ion as well.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5639585
- Report Number(s):
- CONF-850605-1; ON: DE85014650
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
CHALCOGENIDES
COLLISIONS
ELECTRON SPECTROSCOPY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
IONIZATION
MOLECULE COLLISIONS
MULTI-PHOTON PROCESSES
NITRIC OXIDE
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PHOTON COLLISIONS
PHOTON-MOLECULE COLLISIONS
RARE GAS COMPOUNDS
SPECTROSCOPY
VAN DER WAALS FORCES