Red and green-light emitting superparamagnetic nanomaterials containing 'Fe IND. 3''O IND. 4' core and silica shell grafted with rare earth complexes - Khan, Latif Ullah; Brito, Hermi Felinto de; Pirota, K. R; Muraca, D; Felinto, Maria Claudia França da Cunha (Brazilian MRS Meeting, 2014)