Abstract
The purpose of this study is to establish the way in which different synthesis conditions influence on the structural and luminescent characteristics of europium activated calcium tungstate powder phosphor. CaWO4:Eu3+ samples were prepared by thermal synthesis from mixtures consisting of precipitated-CaWO4, equivalent amounts of Eu2O3 and WO3 (activating system) and CaCl2 or Na2WO4 as flux. Calcination was performed at 800 - 1000 degree(s)C for 2 h, in air. The crystalline structure (XRD-patterns) and luminescent characteristics (emission and excitation spectra of phosphor samples were determined and interpreted.
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