Research Article
Collective Optical, FTIR, and Photoluminescence Spectra of CeO2 and/or Sm2O3-Doped Na2O–ZnO–P2O5 Glasses
Figure 5
Photoluminescence spectra of CeO2-doped glasses: (a) emission at 235 nm, (b) emission at = 290 nm, and (c) excitations at = 658 nm.