Thermal conductivity of bulk and porous ThO2: Atomistic and experimental study

L Malakkal, A Prasad, E Jossou, J Ranasinghe… - Journal of Alloys and …, 2019 - Elsevier
Thorium dioxide (ThO 2) is proposed to play a vital role in the world's future energy needs
and is considered a better and safer alternative to the currently used nuclear fuel, uranium …

First principles study on phonon dispersion, mechanical and thermodynamic properties of ThP

MH Sahafi, M Mahdavi - Materials Today Communications, 2021 - Elsevier
In the present study, the density functional theory and the ab initio method in projector
augmented wave (PAW) pseudopotentials framework have been used to calculate the …

Comparison of the electronic transport of ThN against ThC

B Szpunar, JI Ranasinghe, JA Szpunar… - Journal of Physics and …, 2022 - Elsevier
We compared the electronic heat capacity coefficient, thermal conductivity and resistivity of
ThN and ThC. We found that the electronic heat capacity coefficient of both compounds was …

First principles investigation of thermal properties of thorium mononitride

B Szpunar, JI Ranasinghe, L Malakkal… - Journal of Alloys and …, 2021 - Elsevier
We compared the heat capacity and thermal conductivity of ThN calculated using ab initio
methods versus recently published porosity-free experimental data. The experiments …

Density functional theory study of oxygen adsorption and dissociation on lower miller index surfaces of ThN

L Malakkal, E Jossou, JI Ranasinghe… - The Journal of …, 2020 - ACS Publications
Thorium nitride (ThN), a promising metallic nuclear fuel with higher actinide density and
higher thermal conductivity, is investigated as a candidate nuclear fuel for the next …

Corrigendum and extension to “First principles investigation of thermal properties of thorium mononitride”[J. Alloy. Compd. 879 (2021) 160467]

B Szpunar, JI Ranasinghe, L Malakkal… - Journal of Alloys and …, 2023 - Elsevier
ThN has the same crystal structure as UN but is considered to be easier to investigate
theoretically since the Th atom is not magnetic. However, researchers recently predicted …

First-principles study of pressure-induced phase transitions, mechanical and thermodynamic properties of ThBC

J Sun, Z Liao, Y Zhang, Y Guo… - Journal of Physics …, 2021 - iopscience.iop.org
First-principles calculations and particle swarm optimization algorithm are combined to
predict the crystal structures in the pressure range from 0 to 100 GPa. Four phases of ThBC …

[HTML][HTML] A first-principles theoretical investigation of the structural, electronic and magnetic properties of cubic thorium carbonitrides ThCxN (1-x)

M Siddique, AU Rahman, A Iqbal, S Azam - Nuclear Engineering and …, 2019 - Elsevier
Besides promising implications as fertile nuclear materials, thorium carbonitrides are of
great interest owing to their peculiar physical and chemical properties, such as high density …

[HTML][HTML] First principles investigation of the electronic-thermal transport of ThN, UN, and ThC

B Szpunar - Nuclear Materials and Energy, 2022 - Elsevier
The resistivity and electronic-thermal conductivity of ThN, ThC and UN were compared. It
was found that the new electron–phonon physics from first principles code Electron-Phonon …

[HTML][HTML] DFT Studies of Electronic Properties and Effect of He and Xe Incorporation in Selected Ceramics

B Szpunar, JI Ranasinghe, JA Szpunar - Journal of Modern Physics, 2024 - scirp.org
The electronic properties of several prospective nuclear fuels are not yet well known. We
used Quantum Espresso and EPW codes to evaluate the electron density of states, the …