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Local Environment and Migration in Nickel Metal of 57Co Impurity Atoms Formed by a Nuclear Reaction

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Abstract

The local environment of 5 7Co impurity atoms formed in nickel metal by the 5 8Ni(α,αp) reaction was studied by emission Müossbauer spectroscopy. The positions of 5 7Co atoms after irradiation and short isochronous (1800 s) heat treatments of the cyclotron targets at 500-1100 K were evaluated. The processes of impurity transfer during treatment of irradiated targets were analyzed. The rate of impurity transfer is determined by the damage of the irradiated metal lattice and stabilization forms of impurity atoms (i.e., their location in the substitution sites or at the crystallite grain boundary).

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Authors and Affiliations

  1. St. Petersburg State University, St. Petersburg, Russia

    I. E. Alekseev & A. E. Antropov

  2. Prometei Central Research Institute of Structural Materials, State Scientific Center of the Russian Federation, St. Petersburg, Russia

    V. V. Darmograi & D. E. Maslennikov

Authors
  1. I. E. Alekseev
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  2. A. E. Antropov
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  3. V. V. Darmograi
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  4. D. E. Maslennikov
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Alekseev, I.E., Antropov, A.E., Darmograi, V.V. et al. Local Environment and Migration in Nickel Metal of 57Co Impurity Atoms Formed by a Nuclear Reaction. Radiochemistry 43, 592–595 (2001). https://doi.org/10.1023/A:1014912025641

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