Pulsed cathodoluminescence of irradiated LiF-O and LiF(U)-O crystals |
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| Authors: | L A Lisitsyna V I Oleshko S N Putintseva V M Lisitsyn |
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| Institution: | (1) Tomsk Polytechnic University of Architecture and Building, Tomsk, 634003, Russia;(2) Tomsk State University, Tomsk, 634050, Russia |
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| Abstract: | The spectral kinetic characteristics of the luminescence excited in previously irradiated (≤106 Gy) LiF-O and LiF(U)-O crystals have been investigated in the spectral range 4–1.8 eV by pulsed spectrometry with nanosecond time resolution. The luminescence of the crystals was excited by nanosecond nitrogen-laser or electron-beam pulses at 300 K. The inertial character of uranium luminescence enhancement and the dependence of the number of enhancement stages on the excitation technique are revealed. A difference in the character of the dependences of the intensities of the pulse photo-and cathodoluminescence of uranium on the irradiation dose is found. |
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