Impact of fission product (Ce, Sn, Sr, Se) oxides on UO2 oxidation to U3O8

W Han, J Gao, M Li, M Zhang, R Liu - Progress in Nuclear Energy, 2024 - Elsevier
In order to investigate the impact of fission products on the oxidation of spent fuel in the
cladding separation process, the oxidation behavior and kinetic mechanism of UO 2 and …

Thermodynamic model of the oxidation of Ln-doped UO2

VL Vinograd, AA Bukaemskiy, G Deissmann… - Scientific Reports, 2023 - nature.com
Ln-doped UO2 is often considered as a model system of spent nuclear fuel (SNF) hel** to
reveal effects of fission and activation products on its chemical stability. Comparing …

Electrochemical deposition with redox replacement of lanthanum with uranium in molten LiCl-KCl

J Eakin, D Molina, X Guo, H Beyenal… - Journal of the …, 2023 - iopscience.iop.org
Electrochemical recovery of dilute concentrations of actinides from spent nuclear fuel would
reduce the longevity of storing high-level nuclear waste. Electrochemical deposition with …

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 do**, changes in stoichiometry, irradiation …

[HTML][HTML] X-ray photoelectron spectroscopy (XPS) study of surface oxidation of UO2 doped with Gd2O3 at different temperatures and atmospheres

S García-Gómez, J Giménez, I Casas, J Llorca… - Applied Surface …, 2023 - Elsevier
In this work, the influence of Gd III do** on the surface oxidation of UO 2 has been
investigated in situ by XPS. The samples were put in contact with either hydrogen, argon or …

[HTML][HTML] Oxidation of accident tolerant fuels models based on Cr-doped UO2 for the safety of nuclear storage facilities

A Milena-Pérez, LJ Bonales… - Journal of Nuclear …, 2023 - Elsevier
Abstract Oxidation of Accident-Tolerant Fuels (ATF) is important from the nuclear safety point
of view because it could provoke the release of radioactive material. Despite of the use of …

Oxidative dissolution mechanism of both undoped and Gd 2 O 3-doped UO 2 (s) at alkaline to hyperalkaline pH

S García-Gómez, J Giménez, I Casas, J Llorca… - Dalton …, 2023 - pubs.rsc.org
The dissolution rates of unirradiated UO2 and unirradiated UO2 doped with Gd2O3 were
determined as a function of pH using flow-through experiments in the presence of O2 (g) …

The effect of cerium, neodymium, and ytterbium do** on UO2 dissolution

SE Asmussen, RM Asmussen, AP Goulet… - Journal of Nuclear …, 2024 - Elsevier
The dissolution rate of spent nuclear fuel under environmental conditions has been studied
heavily to understand the impacts of a failed waste package on potential radionuclide …

Gd2O3 Doped UO2(s) Corrosion in the Presence of Silicate and Calcium under Alkaline Conditions

S García-Gómez, J Giménez, I Casas, J Llorca… - Inorganics, 2023 - mdpi.com
The anodic reactivity of UO2 and UO2 doped with Gd2O3 was investigated by
electrochemical methods in slightly alkaline conditions in the presence of silicate and …

Phase behavior of oxidized Ce and Gd-doped (U,Zr)O2

Y Sun, S Watanabe, H Muta, Y Ohishi… - Journal of Nuclear …, 2023 - Taylor & Francis
Re-criticality analysis of the fuel debris at the Fukushima Dai-ichi Nuclear Power Plant is the
key step to ensure the safe retrieval and storage of the fuel debris. Knowledge of the amount …