“…Metal phosphates have been paid much attention in the past few decades because of their diverse structures and the variety of applications such as ferroelectric, magnetism, ionic conductors, solid electrolyte batteries, and optical function, especially for luminescence . Currently, a number of the bimetallic phosphate phosphors have been synthesized by the conventional high‐temperature solid‐state method, such as SrZn 2 (PO 4 ) 2 :Tb 3+ , BaCdP 2 O 7 :Eu 2+ , Ca 9 Y(PO 4 ) 7 :Sm 3+ , CaZr(PO 4 ) 2 :Mn 2+ , Sm 3+ , Sr 8 CaSc(PO 4 ) 7 :Eu 2+ , Ce 3+ , Mn 2+ , Ca 9 Ce(PO 4 ) 7 :Mn 2+ , Tb 3+ , Ca 8 ZnLa(PO 4 ) 7 :Eu 2+ ,Mn 2+ , M II M’ IV (PO 4 ) 2 (M II =Cd, Ca, Sr, Pb, and Ba; M’ IV =Ge, Ti, Mo, Sn, Hf, Zr, Pu, Np, U, and Th), and they show high thermal stability and strong luminescence intensity. Although this method is more convenient to prepare compounds with high thermal stability, compared with other methods, which requires high reaction temperature, long reaction time and easily form glassy products .…”