APTES-modified RE2O3:Eu3+ luminescent beads: structure and properties - Lechevallier, Séverine; Hammer, Peter; Caiut, José Mauricio Almeida; Mazeres, Serge; Mauricot, Robert; Verelst, Marc; Dexpert , Hervé; Ribeiro, Sidney J. L.; Dexpert-Ghys , Jeannette (Langmuir, 2012)