Luminescence of LiF crystals doped with uranium

5th International Congress on Energy Fluxes and Radiation Effects 2016

Lisitsyna, L.A.^1 ; Denisov, G.S.^2 ; Dauletbekova, A.K.^3 ; Karipbayev, Zh T.^3 ; Markhabaeva, A.A.^4 ; Vaganov, V.A.^5 ; Lisitsyn, V.M.^5 ; Akilbekov, A.T.^3

Tomsk State University of Architecture and Building, 2 Solyanaya sq., Tomsk

634003, Russia^1

Kyrgyz Russian Slavic University Named after First President of Russia B.N.Yeltsyn, Russia^2

L.N.Gumilyov Eurasian National University, Russia^3

Al-Farabi Kazakh National University, Russia^4

National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk

634050, Russia^5

关键词: Characteristic absorption;    Co-dopants;    Doped crystals;    Doped LiF;    IR spectrum;    LiF crystal;    OH ions;    Spectral range;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/830/1/012156/pdf
DOI  :  10.1088/1742-6596/830/1/012156

来源: IOP

【 摘 要 】

The work presents the results of the study of the luminescence of uranium doped LiF crystals. Introduction of the dopant (U) and the co-dopant (OH) shows the occurrence of additional absorption in the range of 260-320 nm. The IR spectrum in crystals containing OH has distinguished characteristic absorption bands at 3725 cm-1. In crystals doped with (U), the bands 3550-3580 cm-1are observed, which are responsible for OH ions. The doped crystals with co-dopant contain an additional band at 3342 cm-1. The luminescence is observed in the 470-520 nm spectral range excited by ionizing and UV radiation.