Abstract
The thermoluminescence (TL) and EPR spectra of nanostructured compacts of monoclinic ZrO2 irradiated by three types of irradiation have been studied: impulse flow of 130 keV electrons, beam of 10 MeV electrons, as well as a 220 MeV Xe ion beam. Irradiation of samples with 10 MeV electrons and ions leads to the formation of F+ centers in them. Thermal destruction of these centers is observed in the temperature range 375–550 K for electron-irradiated compacts and 500– 700 K for ion-irradiated compacts. The drop in the concentration of F+ centers is associated with the depletion of traps responsible for TL peaks in the specified temperature range. In samples irradiated with an ion beam, new paramagnetic centers with g = 1.963 and 1.986 were found, in the formation of which, probably, Zr3+ ions and oxygen vacancies participate, thermal destruction occurs in the temperature range 500–873 K.
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