Spectroscopic observation of nitrogen anions N − in solid matrices
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Analysis of old and recent experiments on thermoluminescence of cryocrystals and nanoclusters of N2, Ne, Ar, and Kr containing stabilized nitrogen atoms, suggests that the so-called γ-line may correspond to the bound-bound transition (1)D-(3)P of nitrogen anions N(-) formed in solids by the association of delocalized electrons and metastable nitrogen atoms N((2)D). The recent observations of the γ-line were accompanied by simultaneous luminescence of metastable nitrogen N((2)D) atoms and exoelectron emission. The fine structure of the γ-line at 793 nm has been experimentally observed and investigated for the first time.
author list (cited authors)
Boltnev, R. E., Bykhalo, I. B., Krushinskaya, I. N., Pelmenev, A. A., Mao, S., Meraki, A., ... Khmelenko, V. V.