Journal of Luminescence
The red emission in two and three steps up-conversion process in a doped erbium SiO2–TiO2 sol–gel powder
J. Castañeda, M.A. Meneses-Nava, Oracio Barbosa-Garcı́a, Elder De la Rosa, Juan Francisco Mosiño
Journal of Luminescence
J. Castañeda, M.A. Meneses-Nava, Oracio Barbosa-Garcı́a, Elder De la Rosa, Juan Francisco Mosiño