A sequence of reddish‐orange emitting NaSrBi
(1−x)TeO
6:
xSm
3+ phosphors were successfully composited by a favorable solid‐phase chemical process. The sintering temperature is optimized as 850°C. NaSrBiTeO
6 (NSBTO):Sm
3+ 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,...