Influence of Radiation on the Luminescence of Silicon Nanocrystals Embedded into SiO₂ Film

Figure 1

PL spectra for nc-Si/SiO₂ (a), nc-Si/SiO₂:N (b), and na-Si/SiO_y (c) samples. Curves notation: 1, initial samples; 2 and 3, samples irradiated with the doses of 2 × 10⁴ rad and 2 × 10⁷ rad, respectively; 4, sample irradiated (2 × 10⁷ rad) and annealed at T = 300°C.

(a)

(b)

(c)