The effect of Al2O3 addition introduced by the substitution method on the crystallization and spectral-luminescent properties of gallium germanosilicate glasses with ?-Ga2O3:Ni2+ nanocrystals was studied. An enhancement of the Ni2+ luminescence efficiency has been revealed. It is caused by both an increase in the degree of crystallization of glasses with Al2O3 and an increase in the crystal field strength around Ni2+ ions due to the incorporation of Al3+ into the structure of the precipitated nanocrystals
E. S. Ignat’eva1, N. V. Golubev1, V. M. Mashinsky2, A. K. Senatorov2, N. V. Varapai3, V. N. Sigaev1
1Mendeleev University of Chemical Technology of Russia (Moscow, Russia)
2Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center (Moscow, Russia)
3B. I. Stepanov Institute of Physics, NAS of Belarus (Minsk, Belarus)
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