Modeling of the evolution process of primary Frenkel pair defect formation in alkali halide crystals

The evolution process of primary Frenkel pair defect formation is modeled in alkali halide crystals by the Monte Carlo method. A systematic analysis is carried out of the temperature and time dependence of the efficiency of Frenkel pair accumulation in ionic crystals. The effect of the local heating of a crystal microvolume and of the interaction energy between the components of a F, H-pair on the defect-formation process of primary Frenkel pairs is investigated. It is shown that the local temperature and interaction energy between the F, H-pair being formed are basic factors which determine the relaxation process of correlated Frenkel pairs in ionic crystals following pulsed irradiation.Translated from Izvestiya Vysshikh Uchebnykh Zavedenni, Fizika, No. 2, pp. 19–23, February, 1985.