Gridin, S.; Vasyukov, S.; Shiran, N.; Gektin, A.
(Functional Materials, 2014)
The energy transfer mechanism in Eu doped and Tl, Eu co-doped NaI crystals is discussed. The self-trapped exciton emission band overlaps stronger with Eu²⁺ excitation bands rather that with Tl⁺. This suggests that transfer ...