Interstitial-impurity reactions during stage I of platinum alloys after thermal and fast-neutron irradiation |
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Authors: | CSB Piani J Aspeling |
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Institution: | Atomic Energy Board, Private Bag X256, Pretoria 0001, Republic of South Africa |
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Abstract: | Recovery spectra of pure platinum and selected dilute platinum alloys are compared to equivalent induced resistivities following either fast- or thermal-neutron irradiation at 4.4 K. Annealing during stage I (7–30 K) was significantly retarded due to the fast-neutron irradiation. Although a reduction in recovery due to alloying impurities was observed, it appears that due to the highly-localised defect concentration, interstitial-interstitial reactions were predominant during annealing of the fast-neutron defects, whilst in the case of the thermal neutrons, due to the generalised low defect concentration, interstitial-impurity reactions were more important. |
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