Progress in uranium chemistry: driving advances in front-end nuclear fuel cycle forensics
KJ Pastoor, RS Kemp, MP Jensen… - Inorganic Chemistry, 2021 - ACS Publications
The front-end of the nuclear fuel cycle encompasses several chemical and physical
processes used to acquire and prepare uranium for use in a nuclear reactor. These same …
processes used to acquire and prepare uranium for use in a nuclear reactor. These same …
The Role of Alkalis in Orchestrating Uranyl‐Peroxide Reactivity Leading to Direct Air Capture of Carbon Dioxide
Spectator ions have known and emerging roles in aqueous metal‐cation chemistry,
respectively directing solubility, speciation, and reactivity. Here, we isolate and structurally …
respectively directing solubility, speciation, and reactivity. Here, we isolate and structurally …
Impact of Controlled Storage Conditions on the Hydrolysis and Surface Morphology of Amorphous-UO3
AB Hanson, IJ Schwerdt, CA Nizinski, RN Lee… - ACS …, 2021 - ACS Publications
The hydration and morphological effects of amorphous (A)-UO3 following storage under
varying temperature and relative humidity have been investigated. This study provides …
varying temperature and relative humidity have been investigated. This study provides …
Pressure-induced structural and electronic phase transitions of uranium trioxide
The crystal structures, phonon spectra, and electronic properties of uranium trioxide (UO 3)
under high pressure have been systematically explored using a particle swarm optimization …
under high pressure have been systematically explored using a particle swarm optimization …
Model editing for distribution shifts in uranium oxide morphological analysis
Deep learning still struggles with certain kinds of scientific data. Notably pretraining data
may not provide coverage of relevant distribution shifts (eg shifts induced via the use of …
may not provide coverage of relevant distribution shifts (eg shifts induced via the use of …
Effect of Diel Cycling Temperature, Relative Humidity, and Synthetic Route on the Surface Morphology and Hydrolysis of α-U3O8
The speciation and morphological changes of α-U3O8 following aging under diel cycling
temperature and relative humidity (RH) have been examined. This work advances the …
temperature and relative humidity (RH) have been examined. This work advances the …
Ultrasonically assisted conversion of uranium trioxide into uranium (vi) intrinsic colloids
Under oxidizing conditions, the corrosion of spent nuclear fuel may lead to the leaching of
radionuclides including soluble uranyl-based species. The speciation of the generated …
radionuclides including soluble uranyl-based species. The speciation of the generated …
Trace Impurities Identified as Forensic Signatures in CMX-5 Fuel Pellets Using X-ray Spectroscopic Techniques
Small-particle analysis is a highly promising emerging forensic tool for analysis of interdicted
special nuclear materials. Integration of microstructural, morphological, compositional, and …
special nuclear materials. Integration of microstructural, morphological, compositional, and …
Structural Characterization of Uranium Tetrafluoride Hydrate (UF4·2.5H2O)
Uranium tetrafluoride is an important intermediate in the nuclear fuel cycle. Facile synthesis
of its hydrate, uranium tetrafluoride hydrate (UF4· 2.5 H2O), has recently been reported. The …
of its hydrate, uranium tetrafluoride hydrate (UF4· 2.5 H2O), has recently been reported. The …
Phase analysis of Australian uranium ore concentrates determined by variable temperature synchrotron powder x-ray diffraction
The chemical speciation of uranium oxides is sensitive to the provenance of the samples
and their storage conditions. Here, we use diffraction methods to characterize the phases …
and their storage conditions. Here, we use diffraction methods to characterize the phases …