A new long-lasting phosphor Zr4+ and Eu3+ co-doped SrMg2(PO4)2

A new long-lasting phosphor Zr⁴⁺ and Eu³⁺ co-doped SrMg₂(PO₄)₂_{Xigang Wang , Fuping Du , Donglei Wei , Yanlin Huang^* , Hyo Jin Seo}