Takasaki H. tanabe S. hanada T. Long-lasting afterglow characterization of Eu. Dy codoped SrO-Al2O3 phosphors [J]. J Ceram Soc Jpn. 1996. 104:322-326.
[6]
Jia W Y. Yuan H B. Yen W M. Phosphoresent dynamics in SrAl2O4 single crystal fibers [J]. J Luminescence. 1998.(76):424-426.
[7]
Matsuzawa T, Nabae T. et al. Effects of composition on the long phosphorescence SrAl2O4:Eu, Dy phosphor crystals [J]. J of ElectrochemSoc, 1997, 144(9):L243-L245.