• R D Lawangar

      Articles written in Pramana – Journal of Physics

    • Decay characteristics of SrS:Nd phosphors

      M G Patil R D Lawangar

      More Details Abstract Fulltext PDF

      The phosphorescence decay of a series of strontium sulphide microcrystalline phosphors prepared with varying amounts of neodymium as an activator has been studied at room temperature. The decay obeys the relationI =I0t−b withb lying between 0·35 and 0·98. The trap depths have been evaluated by peeling off logI-t curves. The results show that the distribution of trap levels is likely to be quasi-uniform and the process of retrapping during luminescence is negligible.

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