Abstract:Abstract. The use of the radio-luminescence (RL) method for radiation-induced processes in magnesium aluminates spinel crystals (MgO•nAl2O3) of different composition doped with transition metals (Mn, Cr, and Fe) was investigated. The RL spectra demonstrate bands related to the intrinsic defects, such as anti-site defects (263 nm) and F-type centers (~360 nm). Transition metal (TM) ions substituting the crystal-forming ions in the tetra-and octahedral sites show the emission due to electron transitions in doped… Show more
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