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High temperature radiation responses of amorphous SiOC/crystalline Fe nanocomposite

“…[26]. Void formation and swelling occurs when there is preferential absorption of interstitials at different sinks [27] and [28]. The smaller void size observed in the SiOC/Fe multilayer system suggests that there is a lower concentration of supersaturated vacancies in SiOC/Fe multilayers compared to that in the pure Fe layer during irradiation.…”

Defects in metal crystals. Progress report, May 1, 1980-April 30, 1981

“…-32to explain all of the experimental observations, it is generally believed that impurities or alloying additions are a major factor in pontrolling the void nucleation rate. ( 44 ) The void-growth problem has been modeled by employing either diffusion-limited kinetics ( 45 ) in which the void growth-rate is determined by the vacancy diffusivity or surface-reaction limited kinetics ( 46 ) in which the void growth-rate is determined by the ability of the sink-lattice interface to absorb point defects. In both models impurity atoms or alloying additions are expected to have a strong effect on the growth rate.…”