Ultraviolet and visible upconversion luminescence in Nd3+-doped oxyfluoride glasses and glass ceramics obtained by different preparation methods

1. Ḿndez-Ramos, J.
2. Abril, M.
3. Martín, I.R.
4. Rodríguez-Mendoza, U.R.
5. Lavín, V.
6. Rodríguez, V.D.
7. Núñez, P.
8. Lozano-Gorrín, A.D.