Structural and Optical Properties of Phase-Pure UO2, α-U3O8, and α-UO3 Epitaxial Thin Films Grown by Pulsed Laser Deposition

E Enriquez, G Wang, Y Sharma… - … Applied Materials & …, 2020 - ACS Publications
Fundamental understanding of the electronic, chemical, and structural properties of uranium
oxides requires the synthesis of high-crystalline-quality epitaxial films of different …

Benefits of using multiple Raman laser wavelengths for characterizing defects in a UO2 matrix

S Karcher, R Mohun, T Olds, M Weber… - Journal of Raman …, 2022 - Wiley Online Library
Raman spectroscopy is one of the most useful techniques for studying the structure of UO2
and changes due to specific defects caused by doping, changes in stoichiometry, irradiation …

Effect of pressure on mechanical and optical properties of ThO2 and PuO2

S Singh, Y Sonvane, KA Nekrasov… - Journal of the …, 2023 - Wiley Online Library
We have used DFT+ U with spin–orbit coupling to understand the effect of pressure on the
mechanical and optical properties of ThO2 and PuO2. Both the compounds are …

First-principles investigation of phonon spectrum, elastic, mechanical and thermophysical characteristics of an actinide-oxide ceramic

MH Sahafi - Journal of Solid State Chemistry, 2023 - Elsevier
In this paper, first-principles calculations and density functional perturbation theory (DFPT)
based on the ab-initio approach, have been utilized to investigate mechanical, elastic …

[HTML][HTML] First-principles calculations to investigate structural, electronic, half-metallic and thermodynamic properties of hexagonal UX2O6 (X= Cr, V) compounds

S Berri - Journal of Science: Advanced Materials and Devices, 2019 - Elsevier
Full potential linearized augmented plane wave plus local orbital's (FP-LAPW+ LO) method
within density functional theory (DFT) is used to investigate the structural, electronic and half …

Systematic investigation of electronic, mechanical and optical properties of UO2 at higher pressure: a DFT+ U+ SOC study

S Singh, Y Sonvane, KA Nekrasov, AS Boyarchenkov… - Solid State …, 2022 - Elsevier
We have calculated the structural, electronic, mechanical, and optical properties of cubic
and orthorhombic UO 2, using GGA+ U approximation along with spin-orbit coupling. A …

[HTML][HTML] Reactions of NO and H2O on the PuO2 {111} surface: A DFT study

X Han, N Kaltsoyannis - Journal of Nuclear Materials, 2023 - Elsevier
The effect of the Hubbard U parameter is explored in periodic boundary condition PBE+U
calculations of a variety of properties of bulk PuO 2 and its {111} surface. Comparison is …

Ab initio study of the electronic, optical, and water-splitting properties of Fe-doped ZnO monolayer

L Hao, MA Kamboh, Y Su, L Wang, M Zhang… - Physica E: Low …, 2022 - Elsevier
In this paper, we present the electronic, optical, and water-splitting properties of the Fe-
doped ZnO monolayer by the first-principles method. The acquired results demonstrate that …

Computational study of the energy landscape of water on the ThO2 {111} surface

X Han, N Kaltsoyannis - Journal of Nuclear Materials, 2022 - Elsevier
The bulk and surface properties of ThO 2 are studied computationally using density
functional theory within the LSDA+U approach. The computational method is benchmarked …

[HTML][HTML] Epitaxial light actinide oxide thin films

F Legg, LM Harding, JC Lewis, R Nicholls, H Green… - Thin Solid Films, 2024 - Elsevier
Epitaxial thin films of ThO 2 and (U x Th 1− x) O 2 mixed oxides (MOX) have been
synthesised by DC magnetron sputtering. The samples were characterised using x-ray …