Dependence of simulated radiation damage on crystal structure and atomic misfit in metals

This study investigates radiation damage in three metals the low temperature and high radiant flux regime using molecular dynamics a Frenkel pair accumulation method to simulate up $2.0$ displacements per atom. The considered include Fe, equiatomic CrCoNi, fictitious metal with identical bulk properties CrCoNi composed of single atom type referred as an A-atom. is found sustain higher concentrations dislocations than either Fe or A-atom systems more stacking faults system. results suggest that concentration vacancies interstitials are substantially for system, perhaps reflecting recombination radius smaller due roughened potential energy landscape. A model partitions major contributions from defects stored described, serves highlight general need fidelity approaches point defect identification.