Colour tuneability and white light generation in Yb3+-Ho 3+-Tm3+ co-doped SiO2-LaF3 nano-glass-ceramics prepared by sol-gel method

1. Yanes, A.C.
2. Velázquez, J.J.
3. Del-Castillo, J.
4. Méndez-Ramos, J.
5. Rodríguez, V.D.