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J Phys Condens Matter. 2020 Feb 27;32(9):095701. doi: 10.1088/1361-648X/ab559d. Epub 2019 Nov 08.

Improved SMTB-Q model applied to oxygen migration and pressure phase transitions in UO.

Journal of physics. Condensed matter : an Institute of Physics journal

D Mbongo, R Tétot, R Ducher, R Dubourg, N Salles

Affiliations

  1. Institut de Radioprotection et de Sûreté Nucléaire, BP3, 13115 St. Paul Lez-Durance Cedex, France.

PMID: 31703228 DOI: 10.1088/1361-648X/ab559d

Abstract

The second-moment tight-binding variable-charge (SMTB-Q) interatomic potentials have been implemented in the molecular dynamics (MD) code LAMMPS in order to study the static and dynamical properties of uranium dioxide UO

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