Abstract
We have determined the composition range of solid solutions in the binary system YPO4-YbPO4 and identified the key trends in the composition dependence of their IR Stokes luminescence intensity and decay time in the range 0.96–1.1 μm. The results were used to develop a new narrow-band IR phosphor, YPO4:Yb3+. Under 0.940-μm laser excitation, this phosphor offers an increased IR Stokes luminescence intensity in the range 0.96–1.1 μm (about twice as high as that of the well-known commercially available phosphors L-54 and FSD-546-2), with an afterglow time of 1700–1800 μs.
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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. 12, pp. 1514–1520.
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Manashirov, O.Y., Georgobiani, A.N., Gutan, V.B. et al. Synthesis and laser-excited IR luminescence of Y1 − x Yb x PO4 solid solutions. Inorg Mater 47, 1384–1390 (2011). https://doi.org/10.1134/S0020168511110124
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DOI: https://doi.org/10.1134/S0020168511110124