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Laser-Excited Fluorescence Spectra of Yttrium Monoiodide

✍ Scribed by G. Wannous; C. Effantin; A. Bernard; E.A. Shenyavskaya; A. Topouzkhanian

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 326 KB
Volume: 198
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1999.7930

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✦ Synopsis

The rotational structure of the laser-excited fluorescence of yttrium monoiodide, recorded on a Fourier transform spectrometer, was analyzed, enabling the characterization of two excited states at T e ϳ 20 690 and ϳ24 100 cm Ϫ1 . Observation of the ground state X 1 ⌺ ϩ is extended up to v ϭ 15. A scheme for the electronic structure is proposed, involving the X 1 ⌺ ϩ , B 1 ⌸, D 1 ⌸, ⍀1, and possibly A( 1 ⌬) states.

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