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Single crystals of Li2B4O7 (LTB) with varying Ag content were grown using the Czochralski technique and studied for their optical absorption, photo-luminescence (PL) and thermally stimulated luminescence (TSL) properties. The optimum Ag concentration in the LTB was found to be about 500ppm for the best TSL properties. A TSL readout set-up has been described that uses a solar blind photo-multiplier...
Single crystals of Li 2 B 4 O 7 (LTB) doped with Cu and Ag and Cu, Ag co-doped have been grown using the Czochralski technique. Luminescence studies revealed a sensitizer role of Ag in the LTB:Cu,Ag crystal. It is found that, despite an energy transfer from Ag + to Cu + centers, emission from both the centers participate in the thermally stimulated luminescence...
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