Abstract
We have identified general relationships between the spectral and kinetic properties of the IR Stokes luminescence bands of Y1 − x − y Nd x Pr y PO4 solid solutions in the spectral range 0.86–1.40 μm under 0.810-μm laser excitation. The results have been used to formulate technical requirements for the purity of rare-earth oxides for the fabrication of efficient YPO4:Nd3+ IR phosphors and to develop a fast YPO4:Nd3+, Pr3+ IR phosphor that allows the decay time of the Nd3+ IR Stokes luminescence bands in the range 0.86–1.40 μm to be tuned from 50 to 170 μs by varying the ratio of the Nd3+ and Pr3+ concentrations.
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Original Russian Text © O.Ya. Manashirov, A.N. Georgobiani, V.B. Gutan, E.M. Zvereva, A.N. Lobanov, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 9, pp. 1108–1114.
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Manashirov, O.Y., Georgobiani, A.N., Gutan, V.B. et al. Effect of Pr3+ on the stokes luminescence of YPO4:Nd3+ under IR excitation. Inorg Mater 47, 1006–1011 (2011). https://doi.org/10.1134/S0020168511080127
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DOI: https://doi.org/10.1134/S0020168511080127