The glow of Mg and Ca atoms when they interact with H atoms

V. I. Petinov; Петинов В. И.; V. M. Timin; Тимин В. М.; K. V. Bozhenko; Боженко К. В.; A. N. Utenyshev; Утенышев А. Н.

doi:10.31857/S0207401X24040015

The glow of Mg and Ca atoms when they interact with H atoms

Authors: Petinov V.I.¹, Timin V.M.¹, Bozhenko K.V.¹, Utenyshev A.N.¹
Affiliations:
1. Federal Research Center of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences
Issue: Vol 43, No 4 (2024)
Pages: 3-7
Section: Элементарные физико-химические процессы
URL: https://ruspoj.com/0207-401X/article/view/674955
DOI: https://doi.org/10.31857/S0207401X24040015
EDN: https://elibrary.ru/VFLBSM
ID: 674955

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Abstract

During the evaporation of magnesium and calcium in partially dissociated H₂, a glow with λ = 4571.15 Å and λ = 6572.78 Å was detected, corresponding to the transitions ³P₁⁰ → ¹S₀ in excited Mg^* and Ca^* atoms. It is assumed that this phenomenon is associated with the chemiluminescence of these atoms when they interact with H atoms.

Keywords

alkaline earth metals, H atoms, chemiluminescence, quantum chemical calculations

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About the authors

V. I. Petinov

Federal Research Center of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: bogenko@icp.ac.ru
Russian Federation, Chernogolovka

V. M. Timin

Federal Research Center of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: bogenko@icp.ac.ru
Russian Federation, Chernogolovka

K. V. Bozhenko

Federal Research Center of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Author for correspondence.
Email: bogenko@icp.ac.ru
Russian Federation, Chernogolovka

A. N. Utenyshev

Federal Research Center of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences

Email: bogenko@icp.ac.ru
Russian Federation, Chernogolovka

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2. Fig. 1. Schematic diagram of the setup for studying the nature of the glow of excited Mg* and Ca* atoms during their interaction with partially dissociated hydrogen (see description in text).