Abstract

The rate theory of irradiation effects in crystalline solids rests on the balance between the production and the annihilation of defects. The annihilation takes place either by mutual recombination or by absorption on sinks. The elimination rate is a function of the sink strength, a geometrical factor attached to each type of sink. We propose a alternative definition of the sink strength, which, at variance with the classical one, ensures by construction a correct partitioning of defect elimination by recombination and by absorption on sinks. The correction factors for individual sink strengths can reach several orders of magnitude. Interference effects between sinks can be introduced and calculated.

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