Abstract
The paper presents study results of structural and optical changes in heavy ion irradiated BeO ceramics. Irradiation was carried out on DC-60 heavy ion accelerator using Ni12+ ions with an energy of 100 MeV with irradiation fluence of 1013-1014 ions/cm2. It has been established that intensity decrease and shape change of OSL (Optically Stimulated Luminescence) curves for irradiated samples are caused by concentration increase of defects and amorphous inclusions, which affect ceramics reflectance. It has been determined that change in magnitude of atom displacements from lattice sites is exponential, which has great influence on crystal structure distortion and deformation in case of defect overlap regions formation at large irradiation fluences.
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