Martínez-Martínez, R; Ramos-Brito, F; Caldino, U; Falcony, C; García-Hipolito, M; Hernández-Pozos, JL
(2005)
Al2O3:Ce3+:Mn2+ films deposited by the spray pyrolysis technique show blue and red emissions under ultraviolet light excitation. The blue emission is due to the de-excitation of Ce3+ ions from their excited state 5d to the ...