Effect of Intense Self-Irradiation on the Phase Composition of Metallic Plutonium |
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Authors: | Gorbunov S. I. Seleznev A. G. |
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Affiliation: | (1) Research Institute of Nuclear Reactors, State Scientific Center, Dimitrovgrad, Russia |
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Abstract: | The crystal structure of film samples of "high-level" (based on 238Pu) and low-level (based on 239Pu) metallic plutonium during their prolonged (up to 343 days) storage (self-irradiation) at room temperature was studied by X-ray diffraction. In the samples of high-level plutonium, the -Pu and -Pu lattices coexist. In the period of 40-60 days, the other known crystal modifications of plutonium (-Pu, -Pu, -Pu, and -Pu) are also present. Low-level plutonium had only the -Pu lattice. A possible origin of this phenomenon is discussed. |
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