Establishing the isotropy of displacement cascades in UO2 through molecular dynamics simulation

Clare L. Bishop, Robin W. Grimes, David C. Parfitt

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Simulation of displacement cascades is a valuable approach in furthering our understanding of how the physical properties of nuclear fuel evolve. Molecular dynamics simulations of displacement cascades in uranium dioxide have been performed at three different primary knock-on atom energies. Various properties of the cascade (such as the spatial extent and total number of defects) are monitored as the cascade progresses. Both the statistical variation of these properties and the dependence on the crystallographic direction of the primary knock-on atom are investigated in order to determine the isotropy of these events.

Original languageEnglish
Pages (from-to)2915-2917
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume268
Issue number19
DOIs
Publication statusPublished - 1 Oct 2010
Externally publishedYes

Keywords

  • Displacement cascades
  • Molecular dynamics
  • Radiation damage
  • Uranium dioxide

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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