A new heat capacity law for UO2, PuO2 and (U, Pu) O2 derived from molecular dynamics simulations and useable in fuel performance codes

D Bathellier, M Lainet, M Freyss, P Olsson… - Journal of Nuclear …, 2021 - Elsevier
In this work, a computationally efficient law of a nuclear fuel property obtained from
molecular dynamics calculations is implemented in a fuel performance code, bridging the …

Indirect characterization of point defects in proton irradiated ceria

VS Chauhan, J Pakarinen, T Yao, L He, DH Hurley… - Materialia, 2021 - Elsevier
A rate theory model informed by multimodal characterization is used to evaluate the
concentration of point defects in irradiated materials. Cerium dioxide (CeO 2) is used as a …

Development of an interatomic potential for mixed uranium-americium oxides and application to the determination of the structural and thermodynamic properties of (U …

B Labonne, S Orlat, M Bertolus - Journal of Nuclear Materials, 2023 - Elsevier
Uranium-americium mixed oxides are envisaged as targets in fast neutron reactors to allow
the transmutation of americium in view of the reduction of its quantity in nuclear waste. The …

Preparation and thermal physical properties of MgO-(Nd1-xYx) 2 (Zr1-xCex) 2O7 composite ceramics as a candidate for inert matrix fuel

X Li, J Wang, J Wang, Y Wang, Y Tang, Y Yang… - Ceramics …, 2023 - Elsevier
In recent years, the MgO-Nd 2 Zr 2 O 7 composite ceramics inert matrix (IM) was proposed
as a candidate for the transmutation of Pu and minor actinides (MA) in light water reactors …

A comparative analysis of the phonon properties in UO2 using the Boltzmann transport equation coupled with DFT+ U and empirical potentials

E Torres, I CheikNjifon, TP Kaloni, J Pencer - Computational Materials …, 2020 - Elsevier
The vibrational and thermal properties of UO 2 are determined by the solution of the
Boltzmann transport equation (BTE) for phonons. The BTE approach relies on interatomic …

Systematic study of the structural, energetic and elastic properties of U 1− y Am y O 2− x compounds using empirical interatomic potentials

B Labonne, C Guéneau, M Bertolus - Physical Chemistry Chemical …, 2025 - pubs.rsc.org
Uranium–americium mixed oxides are envisaged as fuels or blankets for the transmutation
of americium in fast neutron reactors, which requires an accurate knowledge of their …

New design and preparation of novel 'MgO-medium/high entropy (REE1/n) 2Zr2O7'composite ceramics for inert matrix fuel

Y **e, H Ding, Y Tang, Y Yang, H Du, H Zhou, Y Liu… - Ceramics …, 2025 - Elsevier
Abstract In recent years, MgO-Nd 2 Zr 2 O 7 (M-NZO) composite ceramics have emerged as
potential inert matrix (IM) materials for the transmutation of plutonium (Pu) and minor …

Thermophysical and mechanical properties of MgO-(Nd1-xYx) 2Zr2O7 composite ceramics used for inert matrix fuel

Y Yang, J Wang, J Wang, X Li, Y Tang, K Liu - Ceramics International, 2024 - Elsevier
Abstract MgO-Nd 2 Zr 2 O 7 (M-NZO) composite ceramics, as a promising material for inert
matrix fuel (IMF), can be used to replace mixed oxide (MOX) fuel for consuming plutonium …

Thermal Properties and Behaviour of Am-Bearing Fuel in European Space Radioisotope Power Systems

EJ Watkinson, R Mesalam, JF Vigier, O Beneš… - Thermo, 2021 - mdpi.com
The European Space Agency is funding the research and development of 241Am-bearing
oxide-fuelled radioisotope power systems (RPSs) including radioisotope thermoelectric …

Phonons and thermophysical properties of U1− yPuyO2 mixed oxide (MOX) fuels

IC Njifon, E Torres - Journal of Nuclear Materials, 2020 - Elsevier
The phonon and thermophysical properties of uranium-plutonium mixed oxides (MOX) fuels
are investigated. We have applied Hubbard corrected density functional theory (DFT+ U) …