Comparative study of thermostimulated luminescence and electron emission of nitrogen nanoclusters and films

Comparative study of thermostimulated luminescence and electron emission of nitrogen nanoclusters and films

Boltnev, R.E. ; Bykhalo, I.B. ; Krushinskaya, I.N. ; Pelmenev, A.A. ; Khmelenko, V.V. ; Lee, D.M. ; Khyzhniy, I.V. ; Uyutnov, S.A. ; Savchenko, E.V. ; Ponomaryov, A.N. ; Gumenchuk, G.B. ; Bondybey, V.E.

Тема: 9th International Conference on Cryocrystals and Quantum Crystals

Інший ID: PACS: 78.60.Kn, 79.75.+g

URI: http://dspace.nbuv.gov.ua/handle/123456789/118445

Посилання: Comparative study of thermostimulated luminescence and electron emission of nitrogen nanoclusters and films / R.E. Boltnev, I.B. Bykhalo, I.N. Krushinskaya, A.A. Pelmenev, V.V. Khmelenko, D.M. Lee, I.V. Khyzhniy, S.A. Uyutnov, E.V. Savchenko, A.N. Ponomaryov, G.B. Gumenchuk, V.E. Bondybey // Физика низких температур. — 2013. — Т. 39, № 5. — С. 580–585. — Бібліогр.: 25 назв. — англ.

Підтримка: The study was supported by grants No. 010366-0137-2009 Norman Hackerman Advanced Research Program, NSF No. DMR 1209255, RFBR Nos. 11-02-92500-CRDF-E_a and 11-08-01232-а, CRDF No. RUP1-7025-CG-11, federal contract 11.519.11.6021 with Russian Federation Ministry of Education and Science. E.S., I.Kh. and S.U. thank Deutsche Forschungsgemeinschaft for the travel grant.

Дата: 2013

Завантажень: 483

Comparative study of thermostimulated luminescence and electron emission of nitrogen nanoclusters and films

Анотація:

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 N₂ 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.

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