Luminescence and Energy Transfer Properties of Ca2 Gd8 (SiO4 )6O2:A( A = Pb^2+, Tm^3+) Phosphors

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Ca2Gd8(SiO4)6O2∶ A(A=Pb2+, Tm3+)phosphors were prepared through the sol-gel process. X-ray diffraction(XRD), scanning electron microscopy(SEM)and photoluminescence spectra were used to characterize the resulting phosphors. The results of XRD indicate that
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