Abnormal co-doping effect on the red persistent luminescence SrS:Eu2+,RE3+ materials - Santos, Danilo Ormeni Almeida dos; Giordano, Luidgi; Barbará, Miguel Aguirre Stock Grein; Portes, Marcelo Cecconi; Pedroso, Cássio Cardoso Santos; Teixeira, Veronica Carvalho; Lastusaari, Mika; Rodrigues, Lucas Carvalho Veloso (Dalton Transactions, 2020)