Effect ofγ-radiation on the spectral luminescence characteristics of impure cadmium tungstate crystals |
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| Authors: | S G Nedel’ko M A Krysyuk A L Apanasenko L N Lymarenko Z T Moroz |
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| Institution: | (1) T. G. Shevchenko University, 6, Acad. Glushkov Ave., 252022 Kiev, Ukraine;(2) I. Franko State University, Lvov, Ukraine;(3) Kharkov State University, Ukraine |
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| Abstract: | Results of a study of the effect of γ-radiation on the spectral luminescence properties of cadmium tungstate crystals doped
with silver, bismuth, and molybdenum cations are presented. Spectral characteristics of the nondnnnoped crystals are briefly
described. Absorption and photo and X-ray luminescence spectra of the crystals taken before and after exposure to γ-radiation
(5.5·104 Gy) are compared. It is found that the spectral characteristics of the crystals doped with silver, bismuth, and molybdenum
cations do not change markedly after the exposure. The relation between the type of impurity-induced defects, individual characteristics
of the impurity cations, and the character of the effect of γ-radiation on the spectral luminescence properties of impure
crystals is analyzed (preliminarily).
Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 64, No. 1, pp. 55–60, January–February, 1997. |
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| Keywords: | luminescence impurity tungstate cadmium silver bismuth molybdenum γ -irradiation scintillator absorption |
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