Effect of heat treatment on the generation of structural defects in LaTaO4 ceramics and their correlation with photoluminescent properties
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The synthesis, structure characterization, as well as luminescence properties of LaTaO4 ceramics were investigated in this study. The materials were prepared through the Pechini method. The characterization techniques, including the X-ray diffraction (XRD) as well as the scanning electron microscopy (SEM) were used to analyze the structure and microstructure, respectively. Details of emissions as a result of the type V-O* (or V-O**) defects were determined using photoluminescence (PL) measurements. (C) 2011 Elsevier B. V. All rights reserved.
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