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Rate‐Equation Treatment of PAC‐Monitored Defect Reactions in Irradiated Metals
Author(s) -
Golczewski J.,
Frank W.
Publication year - 1986
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221380113
Subject(s) - irradiation , annealing (glass) , rate equation , atom (system on chip) , chemistry , thermal , kinetics , thermodynamics , physics , nuclear physics , computer science , quantum mechanics , embedded system
The variations of the fractions of defect‐occupied PAC probe atoms in low‐temperature electron‐irradiated metals during isochronal annealing up to the completion of recovery stage III are computer‐simulated within the framework of a rate‐equation approach. It is taken into account that the Stage‐I E interstitials migrate three‐dimensionally in the one‐interstitial model (OIM) but one‐dimensionally in the two‐interstitial model (TIM). The effect of the thermal conversion o crowdions and the existence of “caged” crowdion–PAC‐atom pairs, which are characteristic of the TIM, are investigated in detail. A comparison with experimental data shows that several observations may be understood in terms of the TIM but not of the OIM.