Abstract
Positron trapping in silicon deformed under high-stress conditions at room temperature is compared to that in Si plastically deformed at higher temperatures. The specific features of positron trapping in silicon plastically deformed at room temperature are related to the dislocation core structure and the inhomogeneous distribution of defects. After high-temperature deformation, positrons are trapped in rather large vacancy clusters and dislocations acting as combined positron traps.
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