Spectral-luminescent determination of radiation-induced changes in scintillator crystals of registering systems

M. U. Belyi; Sergiy G. Nedelko; M. Diab; M. O. Krisjuk; A. L. Apanasenko

doi:10.1117/12.191972

31 October 1994 Spectral-luminescent determination of radiation-induced changes in scintillator crystals of registering systems

M. U. Belyi, Sergiy G. Nedelko, M. Diab, M. O. Krisjuk, A. L. Apanasenko

Author Affiliations +

Proceedings Volume 2113, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics; (1994) https://doi.org/10.1117/12.191972
Event: Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics: International Workshop, 1993, Kiev, Ukraine

Abstract

In a temperature interval of 4.2 - 400 K spectral-luminescence characteristics, luminescence time decay, and the main scintillate parameters of the cadmium tungstate (CdWO₄) monocrystals were studied. In the special conditions grown (when a composition of components near to a stoichiometry composition) nominally `pure' CdWO₄ crystals were examined, and the crystals CdWO₄ with an impurity of different elements (Ni, Cs, Ag, Bi, Mo, Pr, Sm) cations were examined too. The spectra of photo- and x-ray luminescence, the spectras of photoexcitation, the spectra and the thermoluminescent glow curves, light output and energy resolution, when (gamma) -radiation processing have been analyzed. The temperature and long-duration x-ray and (gamma) -irradiation processing influence on some characteristics have been examined. The information obtained made it possible to discuss opportunities of the luminescence methods of scintillate crystals CdWO₄ diagnostics.

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M. U. Belyi, Sergiy G. Nedelko, M. Diab, M. O. Krisjuk, and A. L. Apanasenko "Spectral-luminescent determination of radiation-induced changes in scintillator crystals of registering systems", Proc. SPIE 2113, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, (31 October 1994); https://doi.org/10.1117/12.191972

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KEYWORDS

Crystals

Luminescence

X-rays

Molybdenum

Silver

Bismuth

Cadmium

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