Formation of nanodefects in LiF crystals under gamma irradiation
M. A. MussaevaInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Ulugbek, Tashkent, 702132, UzbekistanЭ. М. ИбрагимоваInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Ulugbek, Tashkent, 702132, UzbekistanM. U. KalanovInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Ulugbek, Tashkent, 702132, UzbekistanM. I. MuminovInstitute of Nuclear Physics, Academy of Sciences of Uzbekistan, Ulugbek, Tashkent, 702132, Uzbekistan
ABI
Аннотация
The absorption spectra, photoluminescence spectra, and microhardness of LiF crystals exposed to gamma radiation from a shutdown reactor and a 60Co source at a dose rate of 7.65 Gy/s are investigated. The structure of these crystals is determined using x-ray diffraction analysis. It is revealed that the Li sublattice contains not only point and complex radiation-induced defects but also 28-nm LiOH particles induced by gamma radiation. It is shown that the formation of defects occurs more efficiently upon exposure to radiation from a shutdown reactor than from a 60Co source.
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