The lithium sodium borate glasses doped with Eu3＋ ion are prepared using melt quenching technique, their structural and optical properties have been evaluated. The density of pre- pared glasses exhibits an inverse be...The lithium sodium borate glasses doped with Eu3＋ ion are prepared using melt quenching technique, their structural and optical properties have been evaluated. The density of pre- pared glasses exhibits an inverse behavior to the molar volume ranging from 2.26 g/cm3 to 2.43 g/cm3 and 26.95 cm3/mol to 26.20 cm3/mol, respectively. The absence of sharp peaks in XRD patterns confirms the amorphous nature of the prepared glasses. The absorption spectra yield four transitions centered at 391 nm （7F0→5L6）, 463 nm （7F0→5D2）, 531 nm （7F0→5D1）, and 582 nm （7F0→5D0）. The most intense red luminescence is observed at 612 nm corresponding to 5D0→7F2 transition under 390 nm laser excitations.展开更多
文摘The lithium sodium borate glasses doped with Eu3＋ ion are prepared using melt quenching technique, their structural and optical properties have been evaluated. The density of pre- pared glasses exhibits an inverse behavior to the molar volume ranging from 2.26 g/cm3 to 2.43 g/cm3 and 26.95 cm3/mol to 26.20 cm3/mol, respectively. The absence of sharp peaks in XRD patterns confirms the amorphous nature of the prepared glasses. The absorption spectra yield four transitions centered at 391 nm （7F0→5L6）, 463 nm （7F0→5D2）, 531 nm （7F0→5D1）, and 582 nm （7F0→5D0）. The most intense red luminescence is observed at 612 nm corresponding to 5D0→7F2 transition under 390 nm laser excitations.
