ABINIT: Overview and focus on selected capabilities

AH Romero, DC Allan, B Amadon, G Antonius… - The Journal of …, 2020 - pubs.aip.org
ABSTRACT ABINIT is probably the first electronic-structure package to have been released
under an open-source license about 20 years ago. It implements density functional theory …

Recent developments in the ABINIT software package

X Gonze, F Jollet, FA Araujo, D Adams… - Computer physics …, 2016 - Elsevier
ABINIT is a package whose main program allows one to find the total energy, charge
density, electronic structure and many other properties of systems made of electrons and …

Thermal energy transport in oxide nuclear fuel

DH Hurley, A El-Azab, MS Bryan, MWD Cooper… - Chemical …, 2021 - ACS Publications
To efficiently capture the energy of the nuclear bond, advanced nuclear reactor concepts
seek solid fuels that must withstand unprecedented temperature and radiation extremes. In …

[HTML][HTML] The influence of lattice defects, recombination, and clustering on thermal transport in single crystal thorium dioxide

CA Dennett, Z Hua, A Khanolkar, T Yao, PK Morgan… - Apl Materials, 2020 - pubs.aip.org
Thermal transport is a key performance metric for thorium dioxide in many applications
where defect-generating radiation fields are present. An understanding of the effect of …

A combined experimental and theoretical study of small and large vacancy clusters in tungsten

Q Yang, Z Hu, I Makkonen, P Desgardin… - Journal of Nuclear …, 2022 - Elsevier
Tungsten is considered to be used in the future fusion reactors as plasma-facing material. In
such extreme environments, defects are induced in materials that modify their macroscopic …

Damage characterization of (U, Pu) O2 under irradiation by molecular dynamics simulations

H Balboa, L Van Brutzel, A Chartier… - Journal of Nuclear …, 2018 - Elsevier
Molecular dynamics simulations have been carried out to investigate the primary radiation
damage in (U 1-y, Pu y) O 2 solid solution for various temperatures and plutonium contents …

Atomic-scale modeling of 12< 110>{001} edge dislocations in UO2: Core properties and mobility

M Borde, M Freyss, E Bourasseau, B Michel… - Journal of Nuclear …, 2023 - Elsevier
The dislocation properties of UO 2, the main nuclear fuel material, are important ingredients
to model the mechanical properties and predict nominal and accidental operations of …

Effect of cationic chemical disorder on defect formation energies in uranium–plutonium mixed oxides

D Bathellier, L Messina, M Freyss, M Bertolus… - Journal of Applied …, 2022 - pubs.aip.org
At the atomic scale, uranium–plutonium mixed oxides (U, Pu) O 2 are characterized by
cationic chemical disorder, which entails that U and Pu cations are randomly distributed on …

Development of the advanced mechanistic fuel performance and safety code using the multi-scale approach

MS Veshchunov, AV Boldyrev, AV Kuznetsov… - … Engineering and Design, 2015 - Elsevier
The SFPR code designed for mechanistic modeling of single fuel rod behavior under
various regimes of LWR reactor operation (normal and off-normal, including severe …

Two-component density functional theory within the projector augmented-wave approach: Accurate and self-consistent computations of positron lifetimes and …

J Wiktor, G Jomard, M Torrent - Physical Review B, 2015 - APS
Many techniques have been developed in the past in order to compute positron lifetimes in
materials from first principles. However, there is still a lack of a fast and accurate self …