Figure 4
From: Narrow Energy Gap between Triplet and Singlet Excited States of Sn2+ in Borate Glass
Intensity decay curves of xSnO-(25-x)SrO-75B2O3 glasses and (Sn0.02Sr0.98)B6O10 crystal.
Decays of Sn2+ emission at 2.95 eV were measured with excitation energy 4.43 eV.
