Investigation of the dependence of raction of damage phase in garnet irradiated by l GeV Ar ions on electronic energy loss and irradiation dose

摘要

The dependence of fraction of damage phase on electronic energy loss (S_e) and irradiation dose (PHIt) in l GeV Ar ion irradiated garnet was investigated by means of sample-tilting X-ray diffraction (STD), Mossbauer spectroscopy and sat-uration magnetization measurement. It is found that the fraction of damage phase F_d is a linear function of the product of S_e and ln(PHIt) under a certain irradiation dose. The slopes of thelines are decreasing with the ncrease of irradiation dose. This regular phenomenon suggests that the influence of irradiation dose on the creation of damage phase is increasing with the increase of irradiation dose in the electronic stopping power regime.