Structural properties and self-activated photoluminescence emissions in hydroxyapatite with distinct particle shapes - Machado, Thales R.; Sczancoski, Júlio C.; Beltrán-Mir, Héctor; Siu Li, Máximo; Andrés, Juan; Cordoncillo, Eloisa; Leite, Edson; Longo, Elson (Ceramics International, 2018)