First-principles investigation of uranium mononitride (UN): Effect of magnetic ordering, spin-orbit interactions and exchange correlation functional
Uranium mononitride (UN) is a promising nuclear fuel that combines the advantageous
properties of readily used UO 2 and uranium alloys. Various properties of UN have been …
properties of readily used UO 2 and uranium alloys. Various properties of UN have been …
Incorporation of Kr and Xe in uranium mononitride: a density functional theory study
L Yang, N Kaltsoyannis - The Journal of Physical Chemistry C, 2021 - ACS Publications
Uranium nitride is a material of considerable fundamental interest and is a promising
candidate for an advanced nuclear fuel. We here study intrinsic point defects and …
candidate for an advanced nuclear fuel. We here study intrinsic point defects and …
Energetics of oxidation and formation of uranium mononitride
Uranium mononitride (UN) is an advanced nuclear fuel currently being considered for use in
several generation IV fast and thermal neutron spectrum core designs, with additional …
several generation IV fast and thermal neutron spectrum core designs, with additional …
Understanding xenon and vacancy behavior in UO 2, UN and U 3 Si 2: a comparative DFT+ U study
J Zhao, D Sun, L Xi, P Chen, J Zhao… - Physical Chemistry …, 2023 - pubs.rsc.org
Extensive attention has been paid to accident tolerant fuels (ATFs), such as uranium
mononitride (UN) and uranium sesquisilicide (U3Si2), which are regarded as potential …
mononitride (UN) and uranium sesquisilicide (U3Si2), which are regarded as potential …
[HTML][HTML] Incorporation of volatile fission products in UN and PuN and comparison to oxides
N Kuganathan, NJ Barron, RW Grimes - Journal of Nuclear Materials, 2023 - Elsevier
The incorporation of volatile fission products (Kr, Xe, Br, I, Te, Rb and Cs) in a range of
interstitial and defect sites in UN and PuN is examined via predictions made using atomic …
interstitial and defect sites in UN and PuN is examined via predictions made using atomic …
Simulations of self-and Xe diffusivity in uranium mononitride including chemistry and irradiation effects
A combination of density functional theory and empirical potential atomic scale simulations
have been used to determine a model for defect stability and mobility in uranium …
have been used to determine a model for defect stability and mobility in uranium …
[HTML][HTML] The incorporation of xenon at point defects and bubbles in uranium mononitride
JJ Li, N Zagni, WD Neilson, RL Gray… - Journal of Nuclear …, 2023 - Elsevier
Uranium mononitride (UN) has been proposed as an accident tolerant fuel for nuclear
fission reactors and offers enhanced performance during accident scenarios relative to the …
fission reactors and offers enhanced performance during accident scenarios relative to the …
Thermal conductivity and diffusion mechanisms of noble gases in uranium dioxide: a DFT+ U study
The bulk properties of uranium dioxide (UO 2) have been investigated using Hubbard
corrected density functional theory (DFT+ U) calculations. Monitoring of the occupation …
corrected density functional theory (DFT+ U) calculations. Monitoring of the occupation …
[HTML][HTML] Potential accident tolerant fuel candidate: Investigation of physical properties of the ternary phase U2CrN3
Y Mishchenko, S Patnaik, E Charatsidou… - Journal of Nuclear …, 2022 - Elsevier
In the present study, physical properties of the ternary phase U 2 CrN 3 are evaluated
experimentally and by modeling methods. High density pellets containing the ternary phase …
experimentally and by modeling methods. High density pellets containing the ternary phase …
Interplay between London Dispersion, Hubbard U, and Metastable States for Uranium Compounds
MS Christian, ER Johnson… - The Journal of Physical …, 2021 - ACS Publications
High-throughput computational studies of lanthanide and actinide chemistry with density-
functional theory are complicated by the need for Hubbard U corrections, which ensure …
functional theory are complicated by the need for Hubbard U corrections, which ensure …