Annealing of defects in Fe after MeV Heavy ion irradiation

Details Annealing of defects in Fe after MeV Heavy ion irradiation Annealing of defects in Fe after MeV Heavy ion irradiation

1998-10-09

arxiv.org/abs/cond-mat/9810114v1

Physics

Condensed Matter

Materials Science

12 pages, 7 figures. Europhysics Letter (in press)

Scientific paper

10.1209/epl/i1998-00496-6

We report study of recovery dynamics, followed by in-situ resistivity measurement after 100 MeV oxygen ion irradiation, in cold rolled Fe at 300K. Scaling behavior with microstructural density and temperature of sample have been used to establish stress induced defects formed during irradiation as a new type of sink. The dynamics after irradiation has been shown to be due to migration of defects to two types of sinks i.e. stress induced defect as variable sinks and internal surfaces as fixed sinks. Experimental data obtained under various experimental conditions have been fitted to theoretical curves. Parameters thus obtained from fitting are employed to establish effect of electronic energy loss and temperature on recovery dynamics and stress associated with variable sinks.

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