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Europium (III)-doped YF 3 is prepared by a hydrothermal process at 200°C. X-ray diffraction (XRD) pattern identifies the formation of YF 3 phase without detectable impurity. Environment scanning electron microscopy (ESEM) image shows the even size distribution of the samples with cubic morphology. The excitation and emission spectra of the rare earth ions doped YF 3 are investigated...
Phosphor of KMgF 3 :Ce 3+ is synthesized through solvothermal method at 180°C and characterized by means of X-ray powder diffraction (XRD) and environment scanning electron microscopy (ESEM). X-ray photoelectron spectroscopy (XPS) is applied to the study of the energy band structure of KMgF 3 :Ce 3+ and confirms the oxygen content of the product is very low. The fluorescence...
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