Electron-Impact Excitation of Tellurium Vapor

Excitation processes of tellurium vapor in collisions with low-energy electrons (0–50 eV) are studied. Emission spectra in the 200–525 nm range produced by electrons with energies of 10, 15, 20, and 30 eV are taken, and the optical excitation functions of the most intense atomic lines and molecular...

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Veröffentlicht in:Journal of applied spectroscopy 2014-09, Vol.81 (4), p.684-687
Hauptverfasser: Shpenik, O. B., Erdevdy, N. M., Zvenighorodsky, V. V., Markush, P. P.
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Erdevdy, N. M.
Zvenighorodsky, V. V.
Markush, P. P.
description Excitation processes of tellurium vapor in collisions with low-energy electrons (0–50 eV) are studied. Emission spectra in the 200–525 nm range produced by electrons with energies of 10, 15, 20, and 30 eV are taken, and the optical excitation functions of the most intense atomic lines and molecular bands are measured. It is found that at temperatures of 270–320°C the vapor contains a large amount of diatomic Te 2 molecules, as well as polyatomic tellurium molecules, while atomic Te * lines are formed by dissociative excitation of tellurium molecules.
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subjects Analytical Chemistry
Atomic/Molecular Structure and Spectra
Brief Communications
Chemical properties
Electrons
Physics
Physics and Astronomy
Sulfur compounds
title Electron-Impact Excitation of Tellurium Vapor
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