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dc.creatorTicknor, B. W.en_US
dc.creatorWheeler, S. E.en_US
dc.creatorAllen, W. D.en_US
dc.creatorSchaefer, H. F., IIIen_US
dc.creatorDuncan, M. A.en_US
dc.creatorBelau, L.en_US
dc.creatorAhmed, M.en_US
dc.creatorLeone, Stephen R.en_US
dc.date.accessioned2008-01-12T13:56:50Z
dc.date.available2008-01-12T13:56:50Z
dc.date.issued2007en_US
dc.identifier2007-MJ-09en_US
dc.identifier.urihttp://hdl.handle.net/1811/31446
dc.descriptionAuthor Institution: Department of Chemistry, University of Georgia, Athens, GA 306025; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720} \author{S. R. LEONE; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 and Departments of Chemistry and Physics and Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720en_US
dc.description.abstractNew, higher resolution photoionization thresholds for neutral carbon clusters have been measured using tunable vacuum ultraviolet light at the Advanced Light Source (ALS). A laser ablation cluster source with a high repetition rate vaporization laser is coupled to the quasi-continuous light from the ALS. Ionized clusters are detected as a function of photon wavelength to determine the onset of ionization. Ionization thresholds for carbon clusters up to C$_{15}$ have been determined. Small changes in the cluster source have allowed for higher resolution measurements (0.05 eV step size) than previously reported for the smaller cluster sizes. These thresholds are compared to ionization potentials calculated from \emph{ab initio} methods (extrapolated CCSD(T) energies computed at cc-pVTZ ROCCSD(T) optimized geometries), which allows the investigation of isomeric structures in the molecular beam for some cluster sizes. Experiments are also ongoing at the University of Georgia to measure infrared spectroscopy of small carbon cation clusters in the gas phase, and any preliminary results will be presented.en_US
dc.language.isoEnglishen_US
dc.publisherOhio State Universityen_US
dc.titleIONIZATION THRESHOLDS OF SMALL CARBON CLUSTERS: TUNABLE VUV EXPERIMENTS AND THEORYen_US
dc.typearticleen_US


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