Research Article

Luminescence Properties of Eu- and Mg-Codoped Sol-Gel S i O 2 Glasses

Figure 4

(a) Mg-codoped silica (0.5 mol% Eu) xerogels annealed at 600°C for 2 h in air and (b) variation of PL maximum intensity with Mg/Eu molar ratios.
298694.fig.004a
(a)
298694.fig.004b
(b)