Fig. 8

The AC electrical conductivity σAC as a function of the γ-irradiation dose for (A) SW30, (B) EW30, and (C) HW30 samples at different frequencies.

The AC electrical conductivity σAC as a function of the γ-irradiation dose for (A) SW30, (B) EW30, and (C) HW30 samples at different frequencies.