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Table 2 Positron trapping modes for PAL spectra of 80GeSe 2 -20Ga 2 Se 3 glasses before and after thermal annealing

From: 'Cold' crystallization in nanostructurized 80GeSe2-20Ga2Se3 glass

Treatment conditions Positron trapping modes
τ av , ns τ b , ns κ d , ns τ 2 - τ b , ns τ 2 / τ b η
Untreated, 0 h 0.290 0.258 0.91 0.17 1.65 0.19
380°C, 10 h 0.291 0.261 0.84 0.17 1.64 0.18
380°C, 25 h 0.291 0.261 0.82 0.17 1.66 0.18
380°C, 50 h 0.292 0.260 0.92 0.16 1.63 0.19
380°C, 80 h 0.283 0.260 0.96 0.16 1.60 0.20
380°C, 100 h 0.291 0.261 1.03 0.14 1.54 0.21