Comparative study of thermostimulated luminescence and electron emission of nitrogen nanoclusters and films
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We have studied thermostimulated luminenscence and electron emission of nitrogen films and nanoclusters containing atomic nitrogen free radicals. Thermostimulated electron emission from N2 nanoclusters was ob-served for the first time. Thermostimulated luminescence spectra obtained during N2-He sample destruction are similar to those detected from N 2 films pre-irradiated by an electron beam. This similarity reveals common mechanisms of energy transfer and relaxation. The correlation of the luminescence intensity and the electron cur-rent in both systems points to the important role of ionic species in relaxation cascades. A sublimation of solid helium shells isolating nitrogen nanoclusters is a trigger for the initiation of thermostimulated luminescence and electron emission in these nitrogen-helium condensates. Copyright © ILTPE. 2013.
author list (cited authors)
Boltnev, R. E., Bykhalo, I. B., Krushinskaya, I. N., Pelmenev, A. A., Khmelenko, V. V., Lee, D. M., ... Bondybey, V. E.