Dielectric dispersion and electrical conductivity studies on Fe2O3 mixed lithium yttrium silicate glasses and up-conversion and NIR luminescence studies of Ce3+ - Yb3+ and Tm3+ - Yb3+ co-doped lithium silicate glass system influence of yttrium ions
Dielectric and spectroscopic investigations on some transition metal ions doped ZnO - ZnF2 - B2O3 glass ceramics