Abstract
Lead tungstate (PbWO4) single crystals have been obtained by the flux growth technique using strontium chloride (SrCl2) as flux. Optimum growth conditions are described for obtaining well-faceted transparent crystals. A thermogravimetric study shows that the compound is stable in the temperature range 25−1000 °C. Analysis of optical absorption normal to the ab-plane recorded at room temperature in the spectral range of 200−800 nm reveals the absorption edge, the type of transition being the allowed indirect one at 4.52 eV. The crystal has been characterized by determining useful optical and dielectric parameters.
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