Oxide–and silicate–water interfaces and their roles in technology and the environment
Interfacial reactions drive all elemental cycling on Earth and play pivotal roles in human
activities such as agriculture, water purification, energy production and storage …
activities such as agriculture, water purification, energy production and storage …
Role of Microstructure and Surface Defects on the Dissolution Kinetics of CeO2, a UO2 Fuel Analogue
The release of radionuclides from spent fuel in a geological disposal facility is controlled by
the surface mediated dissolution of UO2 in groundwater. In this study we investigate the …
the surface mediated dissolution of UO2 in groundwater. In this study we investigate the …
Dissolution of nuclear materials in aqueous acid solutions
N Desigan, N Bhatt, MA Shetty… - Reviews in Chemical …, 2019 - degruyter.com
The quantitative understanding of the dissolution of nuclear fuel materials is essential for the
process design and development of an industrial-scale nuclear fuel reprocessing plant. The …
process design and development of an industrial-scale nuclear fuel reprocessing plant. The …
Size effects in nanocrystalline thoria
The facile chemical precipitation method and subsequent thermal treatment were shown to
be suitable for preparation of crystalline ThO2 nanoparticles (NPs) in a wide range of …
be suitable for preparation of crystalline ThO2 nanoparticles (NPs) in a wide range of …
Interplay of Structural Properties and Redox Behavior in CeO2 Nanoparticles: Impact on Reactivity and Bioavailability
B Liu, Y Pan, Z Han, Y Shu, X Liu… - Environmental …, 2025 - ACS Publications
The environmental redox transformation of CeO2 is crucial for evaluating its ecological risk
and understanding the geochemical cycling of cerium (Ce). In this study, we examined the …
and understanding the geochemical cycling of cerium (Ce). In this study, we examined the …
Grain-Boundary Corrosion in UO2+δ from a Defect Chemical Perspective: A Case Study of the Σ5(310)[001] Grain Boundary
We combine atomistic and continuum simulation methods to study the defect chemistry of a
model grain boundary in UO2+ δ. Using atomistic methods, we calculate the formation …
model grain boundary in UO2+ δ. Using atomistic methods, we calculate the formation …
Synthesis, structure, and characterization of the thorium zirconolite CaZr1‐xThxTi2O7 system
A series of zirconolite ceramics with composition CaZr1‐xThxTi2O7 (Δx= 0.10) were
reactively sintered at 1350° C for 20 h, in air (0≤ x≤ 0.60) and 5% H2/N2 (0≤ x≤ 0.40). A …
reactively sintered at 1350° C for 20 h, in air (0≤ x≤ 0.60) and 5% H2/N2 (0≤ x≤ 0.40). A …
Dissolution of Th1− xUxO2: effects of chemical composition and microstructure
The dissolution of Th 1− x U x O 2 solid solutions was studied by varying independently
several parameters such as chemical composition, leachate acidity, leaching temperature …
several parameters such as chemical composition, leachate acidity, leaching temperature …
Direct measurement of surface dissolution rates in potential nuclear waste forms: the example of pyrochlore
The long-term stability of ceramic materials that are considered as potential nuclear waste
forms is governed by heterogeneous surface reactivity. Thus, instead of a mean rate, the …
forms is governed by heterogeneous surface reactivity. Thus, instead of a mean rate, the …
Effect of surface orientation on dissolution rate and surface dynamics of UO2 single crystals in nitric acid
S Bertolotto, S Szenknect, S Lalleman, A Magnaldo… - Corrosion …, 2020 - Elsevier
Abstract UO 2 single crystals with (100),(110) and (111) oriented faces were dissolved in 2
mol. L− 1 HNO 3 at room temperature. The evolution of the topography of the surface was …
mol. L− 1 HNO 3 at room temperature. The evolution of the topography of the surface was …