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The Nd3+ Cr3+ single and codoped lead silicate glasses (SiO2-Na2O-Sb2O3- PbO2) were synthesized by means of fusion method. Their optical properties were studied by means of absorption and photoluminescence (PL), recorded at room temperature. The wear 4F3/2 yields 4I9/2 emission band centered at 890 nm observed in the Nd3+ single doped glasses was strongly enhanced in the Nd3+ and Cr3+ codoped glass. The effective mechanisms based on both direct donor-donor energy transfer processes assisted by localized phonons and energy cross-relaxation between donor-acceptor were proposed.
N. O. Dantas andFanyao Qu
"Energy transfer process in the rare-earth-ion-doped lead silicate glasses", Proc. SPIE 4645, Rare-Earth-Doped Materials and Devices VI, (5 April 2002); https://doi.org/10.1117/12.461663
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N. O. Dantas, Fanyao Qu, "Energy transfer process in the rare-earth-ion-doped lead silicate glasses," Proc. SPIE 4645, Rare-Earth-Doped Materials and Devices VI, (5 April 2002); https://doi.org/10.1117/12.461663