Spectroscopic and dielectric investigations on znf2–as2o3–teo2: v2o5/nio glass system and fluorescence features of some rare earth ions in znf2–wo3–teo2 glass system
Spectroscopic and Dielectric Investigations on ZnF2–As2O3–TeO2: V2O5/NiO Glass System and Fluorescence Features of Some Rare Earth ions in ZnF2–WO3–TeO2 Glass System