15 results about "Strontium aluminate" patented technology

Strontium aluminate (SRA, SrAl) is an aluminate compound with the chemical formula SrAl₂O₄ (sometimes written as SrO.Al₂O₃). It is a pale yellow, monoclinic crystalline powder that is odorless and non-flammable. When activated with a suitable dopant (e.g. europium, written as Eu:SrAl₂O₄), it acts as a photoluminescent phosphor with long persistence of phosphorescence.