AN UNBIASED VIEW OF CEF�?CRYSTAL

The luminescence of nanocrystalline ZnS : Mn2+ certainly reveals a short decay time part (∼100 ns), and also a long (ms) decay time is noticed. The short decay time is ascribed into a defect-related emission of ZnS, and isn't from the decay of the changeover on the Mn2+ impurity. The changeover of your Mn2+ features a `standard�?decay of about