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FLUORESCENCE EXCITATION AND RESOLVED EMISSION SPECTRA OF SUPERSONICALLY COOLED $Al_{2}O$

By Ming-Fang Cai, Christopher C. Carter, Terry A. Miller and V. E. Bondybey

Abstract

Author Institution: Laser Spectroscopy Facility, Department of Chemistry, The Ohio State University; Institut f\""{u}r Physikalixche Chemie, T. U. M\""{u}nchenThe triatomic oxdie, $Al_{2}O$, was prepared by oxidation of laser vaporized aluminum, or by vaporization of alumina. Both fluorescence excitation and wavelength resolved emission spectra were taken of a transition located near 38249 $cm^{-1}$. These spectra are consistent with a linear, centrosymmetric Al-O-Al structure. Analysis of the spectrum yields an AlO bond length of 0.164 nm and values of 525 $cm^{-1} (\Sigma_{g}^{+})$, $99 cm^{-1} (\Pi_{u})$, and 992 $cm^{-1} (\Sigma_{g}^{+})$ for the ground state fundamental vibrations, which are in good agreement with theoretical values

Publisher: 'The Ohio State University Libraries'
Year: 1991
OAI identifier: oai:kb.osu.edu:1811/12550
Provided by: KnowledgeBank at OSU
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