A new strontium-aluminate-based long-persistence photostimulated phosphor

We have identified general aspects of the composition dependences of the photostimulated luminescence intensity and decay time in the range 475–525 nm for Sr3.91–x Eu0.04Tm0.05Er x Al13.36B0.64O25 solid solutions. The results have been used to develop a new blue-green photostimulated phosphor. After laser stimulation at 0.810 and 0.940 µm, it offers a longer afterglow duration in comparison with the FV-490M and FV-490DM industrial phosphors.