MOLECULAR BEAM STARK SPECTROSCOPY OF $YC_{2}$
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Date
1999
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Ohio State University
Abstract
Laser induced fluorescence of a $YC_{2}$ molecular beam has been recorded at sub-Doppler resolution. As in the previous low-resolution $study,^{a} YC_{2}$ radical was generated employing a laser ablation/supersonic expansion source by using a mixture of methane in argon and ablating yttrium metal sample. The weak (001)-(000) band system $(\sim 13220 cm^{-1})$ clearly showed P-, Q-, and R-branches for individual K-structure, although the intense (000)-(000) band system $(\sim 12400 cm^{-1})$ is too congested to identified. Spectral lines associated with low-rotational levels for the (001)-(000) band were monitored under external electric field, and some lines exhibited large Stark splitting. The current status of the analysis for high resolution LIF and optical Stark spectra will be presented.
Description
$^{a}$ T.C. Steimle, A.J. Marr, J. Xin, A.J. Merer, K. Athanassenas, and D. Gillett, J. Chem. Phys. 106, 2060 (1997).
Author Institution: Department of Chemistry and Biochemistry, Arizonia State University
Author Institution: Department of Chemistry and Biochemistry, Arizonia State University