Evolution of Crystallinity and Texturing on 120MeV Au Ion Irradiation on NiO Thin Films

摘要

NiO thin films grown on Si (100) substrate by electron beam evaporation and sinteredat 500 ~0C and 700 ~0C were irradiated with 120 MeV ~(197)Au~(9+)ions. The FCC structure of thesintered films was retained up to the highest fluence (3 x 10~(13)ions.cm~(-2)) of irradiation. Asagainst the expected amorphization due to ion irradiation when electronic energy loss exceedscertain threshold value, we observe an improvement of crystallinity and grain orientation atcertain fluences of irradiation.