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A sequence of reddish‐orange emitting NaSrBi(1−x)TeO6:xSm3+ phosphors were successfully composited by a favorable solid‐phase chemical process. The sintering temperature is optimized as 850°C. NaSrBiTeO6 (NSBTO):Sm3+ samples were assigned to the cubic double‐perovskite structure, exhibiting the space group of Fmm (225). Photoluminescence emission spectra display the main peaks at 562, 598,...
A dysprosium (Dy3+)‐activated potassium calcium silicate (K4CaSi3O9) phosphor was prepared using a solid‐state synthesis route. The phosphor had a cubic structure with the space group Pa
as confirmed using X‐ray diffraction (XRD) measurements. Details of surface morphology and elemental composition of the as‐synthesized undoped KCS phosphor was obtained using scanning electron microscopy (SEM)...