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Title: Spectral-kinetic properties of CsI(CO3) crystals
Authors: Vinograd, Eduard L.
Goriletsky, Valentin I.
Korsunova, Sophia P.
Kudin, Alexander M.
Panova, Alexandra N.
Keywords: CsI Crystal
Spectral-kinetic property
activator concentration
vibration spectra
Issue Date: 1993
Publisher: springer
Citation: Optics and Spectroscopy, 1993. - vol 75, 5. - P. 996-1000.
Abstract: Comprehensive investigations into the effect of activator concentration on alternation of radioluminescence (RL), scintillation pulse length (τ) and oscillatory absorption spectra luminescence centers were carried out to study the state of activiating impurity and the nature of luminescence centers in CsI(CO3) crystals. It is ascertained that the activating impurity in CsI(CO3) crystals produces two types of luminescence centers which differ in spectral and kinetic parameters. The first type of centers features RL with λm=3.15 eV and τ1=1.4 μs, and the second type of centers RL with λ=2.85 eV, τ2=3.4 μs. The nature of the second type of centers is not finally established. However, the investigations performed and published data attest that the second type centers, responsible for 2.85 eV luminescence, are revealed to the products of carbonate-ion decomposition in the process of crystal growth, and the most probable ones are O22- ions
Appears in Collections:Кафедра фізико-математичних дисциплін

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