Figure 2

Dose-dependence of O2 cathodoluminescence intensity (normalized to 1) in silica samples, containing O2 before the start of CL measurement: radiolytic O2 (“P0T0_11GGy” and “P5T1000_11GGy”) or synthesis-introduced O2 (“O-rich”).

Dose-dependence of O2 cathodoluminescence intensity (normalized to 1) in silica samples, containing O2 before the start of CL measurement: radiolytic O2 (“P0T0_11GGy” and “P5T1000_11GGy”) or synthesis-introduced O2 (“O-rich”).