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Abstract Various concentrations of Europium doped Gadolinium Oxide powders are synthesized by high temperature solid state reaction method. X-ray diffraction pattern of the compounds revealed single phase crystal formation, consistent… Click to show full abstract
Abstract Various concentrations of Europium doped Gadolinium Oxide powders are synthesized by high temperature solid state reaction method. X-ray diffraction pattern of the compounds revealed single phase crystal formation, consistent with predominant monoclinic phase of Gd2O3. Deep level photoluminescence spectra showed multiple emissions in yellow - red region corresponding to transitions of 5D0-7F2, 5D0-7F1 and 5D0-7F0 which arise due to europium substitution. Appreciable enhancement in emission intensity is observed at higher doping concentrations. The optical band gap energies are determined from the diffuse reflectance spectra by utilizing Kubelka-Munk theory.
Journal Title: Materials Letters
Year Published: 2020
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