A transparent glass-ceramic containing nanocrystals of lead fluoride ?-PbF 2 with Er 3+ ions (average diameter 8.5 nm) was synthesized by secondary heat treatment of the initial oxyfluoride glass of the system SiO 2 - GeO 2 - PbO - PbF 2 doped with Er 2 O 3 sub >. Its thermal and structural properties, optical absorption, and up-conversion luminescence have been investigated. The obtained glass-ceramics is promising as a phosphor, it allows one to obtain an intense yellow glow upon excitation in the infrared range of the spectrum.
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Glassceramics
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