SrAl2O4

Strontium aluminate (SrAl₂O₄) is an inorganic ceramic compound belonging to the aluminate family, notable primarily for its photoluminescent properties when doped with rare-earth elements or transition metals. It is widely used in industrial applications requiring long-lasting phosphorescence or glow-in-the-dark functionality, and is also investigated for specialized applications in refractories and advanced ceramics where thermal stability and chemical inertness are critical. Engineers select this material when sustained luminescence without external power, thermal durability, or chemically inert surfaces are required, offering advantages over organic phosphors in high-temperature or chemically aggressive environments.