LASER SPECTROSCOPY OF REFRACTORY SPECIES PRODUCED BY LASER VAPORIZATION
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Publisher:Ohio State University
A new technique for spectroscopic studies of high temperature molecules is developed in which a metal or other solid material is vaporized, and the product molecular species are probed by time resolved, laser induced fluorescence. Typically, the vapor is diluted by a cold carrier gas, usually helium cooled to 77K by liquid nitrogen. The technique is particularly well suited for studies of the spectroscopy and decay dynamics of small metal clusters, and both homonuclear and heteronuclear species can be studied in this way. By reacting the metal vapor with a suitable reagent added to the carrier gas, one can extend this technique to studies of a variety of chemical reactions, as well as to spectroscopic studies of metal oxides, carbides, nitrides and similar species. In this talk, we will discuss the technique and its potentials, and give a brief survey of the species studied to date.
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