Abstract
In this article, we have reported hexagonal phase of SrAl2O4 (SAO) at room temperature by synthesizing ZnO-SAO nanocomposite which has been found to be difficult to achieve. Through combustion technique, we have made ZnO(20%)-SAO(80%) nanocomposite and revealed a good dispersion of ZnO in SAO matrix. A stable hexagonal phase at RT has been obtained in the composite sample calcined at 700 and 800 °C. Further, increasing the calcination temperature to 1000 and 1200°C, hexagonal phase transforms to monoclinic. From photoluminescence studies, we have observed an emission close to white light with changing the calcination temperature.
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