Radiation effect on conductivity of oxygen-containing crystals of lithium fluoride

The data are presented on an anomalous behaviour of the conductivity, σ of oxygen-enriched LiF crystals irradiated by approximately 105 J/kg doses. The ultraviolet absorption spectra were used to measure the oxygen content. The samples were exposed to γ-radiation of a 60Co source. The anomalous behaviour of tau is manifested by deviation of the σ temperature dependence from the exponential law and occurrence of the minimum on the curve. The anomalous behaviour covers the range of 580-660 K and terminates by the tau recovery up to the values of an intact samples