THE INFLUENCE OF THE INITIAL DEFECT CONCENTRATION ON THE ANNEALING OF LOW- TEMPERATURE IRRADIATED METALS
Measurements were made of isochronal annealing in aluminum, copper, silver, and gold, after irradiation at 4.5 deg K with various doses of fast neutrons. It is shown tha the relative amount of recovery within annealing stage I is reduced, and annealing stage III is shifted to lower tem peratures with increasing defect concentration. The first observation can be explained by the higher probability for annihilation of close Frenkel-pairs, during the radiationannealing process, compared with the probability for recombination of more distant Frenkel-pairs. The shift wit concentration of annealing stage III and annealing stage I/sub E/ for aluminum indicated the existence of freely- migrnting defects. For aluminum the existence of two freely-moving observed- annealing behavior of all the metals considered can be explained by this two- interstitial model (previously proposed by Seeger and Sosin) taking into account the different defect arrangements produced by low-temperature electron and neutron irradiation. (auth)
- Research Organization:
- Technische Hochschule, Munich
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-014561
- OSTI ID:
- 4082083
- Journal Information:
- Physica Status Solidi (East Germany) Divided into Phys. Status Solidi A and Phys. Status Solidi B, Journal Name: Physica Status Solidi (East Germany) Divided into Phys. Status Solidi A and Phys. Status Solidi B Vol. Vol: 4; ISSN PHSSA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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