Akilbekov, A.; Kiryakov, A.; Baubekova, G.; Aralbayeva, G.; Dauletbekova, A.; Akylbekova, A.; Ospanova, Z.; Popov, A.I. Optical Characteristics of MgAl2O4 Single Crystals Irradiated by 220 MeV Xe Ions. Materials 2023, 16, 6414. https://doi.org/10.3390/ ma16196414