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[3PT35] Eu²⁺/Eu³⁺ valence control and luminescence tuning by dopant concentration in SrAl₂O₄:Eu,Dy ceramics laser-sintered in air

*David Sampaio¹, Deyvid Silva¹, Jerre Santos², Marcos Vermelho¹, Miguel Hernández-Rodríguez^3,4, Carlos Brites³, Luís Carlos³, John Ballato⁵, Ronaldo Silva⁶ (1. Federal University of Alagoas (Brazil), 2. Federal University of Recôncavo of Bahia (Brazil), 3. University of Aveiro (Portugal), 4. Universidad de La Laguna (Spain), 5. Clemson University (USA), 6. Federal University of Sergipe (Brazil))

Keywords:

Persistent Luminescence,SrAl2O4,Eu2+,europium reduction