Atomistic Simulation of the Fission-Fragment-Induced Formation of Defects in a Uranium-Molybdenum Alloy

LN Kolotova and SV Starikov and VD Ozrin, JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS, 129, 59-65 (2019).

DOI: 10.1134/S1063776119060128

The formation of defects in a uranium-molybdenum alloy induced by xenon and zirconium ion irradiation with energies typical of fission fragments has been simulated within the two-temperature atomistic model and Monte Carlo method. This has allowed estimating the total number of primary radiation defects formed at the "thermal spike" stage and in collision cascades for different temperatures. The calculated threshold stopping powers of ions responsible for the formation of defects at the thermal spike stage are in good agreement with the available theoretical and experimental data.

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