Search Results - "Vigier, Jean‐Francois"
-
1
Three-Dimensional MOF-Type Architectures with Tetravalent Uranium Hexanuclear Motifs (U6O8)
Published in Chemistry : a European journal (22-04-2013)“…Four metal–organic frameworks (MOF) with tetravalent uranium have been solvothermally synthesized by treating UCl4 with rigid dicarboxylate linkers in…”
Get full text
Journal Article -
2
Optimization of Uranium-Doped Americium Oxide Synthesis for Space Application
Published in Inorganic chemistry (16-04-2018)“…Americium 241 is a potential alternative to plutonium 238 as an energy source for missions into deep space or to the dark side of planetary bodies. In order to…”
Get full text
Journal Article -
3
Synthesis, Characterization, and Stability of Two Americium Vanadates, AmVO3 and AmVO4
Published in Inorganic chemistry (19-06-2023)“…In search for chemically stable americium compounds with high power densities for radioisotope sources for space applications, AmVO3 and AmVO4 were prepared by…”
Get full text
Journal Article -
4
Preparation of bulk‐nanostructured UO2 pellets using high‐pressure spark plasma sintering for LWR fuel safety assessment
Published in Journal of the American Ceramic Society (01-04-2017)“…Nuclear fuel undergoes a significant restructuration during its lifetime in the nuclear reactor. Especially at the rim of the pellet, large UO2 grains…”
Get full text
Journal Article -
5
Plutonium and Americium Aluminate Perovskites
Published in Inorganic chemistry (15-07-2019)“…Both AmAlO3 and PuAlO3 perovskites have been synthesized and characterized using powder X-ray diffraction (XRD), Raman spectroscopy, Fourier transform infrared…”
Get full text
Journal Article -
6
Structural Investigation of (U0.7Pu0.3)O2‑x Mixed Oxides
Published in Inorganic chemistry (01-06-2015)“…Uranium–plutonium mixed oxide containing 30% of plutonium is a candidate fuel for several fast neutron and accelerator driven reactor systems. In this work, a…”
Get full text
Journal Article -
7
Synthesis, Characterization, and Stability of Americium Phosphate, AmPO4
Published in Inorganic chemistry (04-05-2020)“…AmPO4 was prepared by a solid-state reaction method, and its crystal structure at room temperature was solved by powder X-ray diffraction combined with…”
Get full text
Journal Article -
8
Metal–Organic-Framework-Type 1D-Channel Open Network of a Tetravalent Uranium Trimesate
Published in Inorganic chemistry (05-12-2011)“…An uranium trimesate open framework is built up from trinuclear building blocks (μ3-OU3) connected to each other by tricarboxylate linkers to generate…”
Get full text
Journal Article -
9
Aliovalent Cation Substitution in UO2: Electronic and Local Structures of U1-yLayO2±x Solid Solutions
Published in Inorganic chemistry (05-02-2018)“…For nuclear fuel related applications, the oxygen stoichiometry of mixed oxides U1-yMyO2±x is an essential property as it affects fuel properties and may…”
Get full text
Journal Article -
10
Nano and micro U1-xThxO2 solid solutions: From powders to pellets
Published in Journal of nuclear materials (01-01-2018)“…Nuclear fuels production, structural materials, separation techniques, and waste management, all may benefit from an extensive knowledge in the nano-nuclear…”
Get full text
Journal Article -
11
Planned Failures from the Principle of Maximum Site Occupancy in Lanthanide Helicates
Published in Inorganic chemistry (01-02-2010)“…Despite the recent emergence of a toolbox fitted with microscopic thermodynamic descriptors for predicting the stabilities and speciations of polynuclear…”
Get full text
Journal Article -
12
Low temperature decomposition of U(IV) and Th(IV) oxalates to nanograined oxide powders
Published in Journal of nuclear materials (01-05-2015)“…[Display omitted] •Low temperature decomposition of U(IV) and Th(IV) oxalates.•Crystallization of Th(IV) and U(IV) oxides.•Production of high quality UO2 and…”
Get full text
Journal Article -
13
Charge Distribution in U1-xCexO2+y Nanoparticles
Published in Inorganic chemistry (04-10-2021)Get full text
Journal Article -
14
Uranium (III)-Plutonium (III) co-precipitation in molten chloride
Published in Journal of nuclear materials (01-02-2018)“…Co-management of the actinides in an integrated closed fuel cycle by a pyrochemical process is studied at the laboratory scale in France in the CEA-ATALANTE…”
Get full text
Journal Article -
15
Isolation of the Large {Actinide}38 Poly-oxo Cluster with Uranium
Published in Journal of the American Chemical Society (23-10-2013)“…By controlling the water content, a new poly-oxo-metalate species containing 38 uranium centers has been solvothermally synthesized in the presence of benzoic…”
Get full text
Journal Article -
16
Fingerprint of local disorder in long range ordered isometric pyrochlores
Published in Scientific reports (25-09-2017)“…The detailed characterization of local order and disorder in isometric A 2 B 2 O 7 crystalline pyrochlores is of significant importance in view of their wide…”
Get full text
Journal Article -
17
Synthesis of UF4 and ThF4 by HF gas fluorination and re-determination of the UF4 melting point
Published in Journal of fluorine chemistry (01-08-2017)“…Pure UF4 and ThF4 were synthesised using HF gas fluorination of the respective oxides and characterised by X-ray diffraction and differential scanning…”
Get full text
Journal Article -
18
European Radioisotope Thermoelectric Generators (RTGs) and Radioisotope Heater Units (RHUs) for Space Science and Exploration
Published in Space science reviews (01-12-2019)“…Radioisotope power systems utilising americium-241 as a source of heat have been under development in Europe as part of a European Space Agency funded…”
Get full text
Journal Article -
19
High-Resolution Solid-State Oxygen-17 NMR of Actinide-Bearing Compounds: An Insight into the 5f Chemistry
Published in Inorganic chemistry (07-07-2014)“…A massive interest has been generated lately by the improvement of solid-state magic-angle spinning (MAS) NMR methods for the study of a broad range of…”
Get full text
Journal Article -
20
Solid-liquid equilibria in the ThO2 –ZrO2 system: An experimental study
Published in Journal of nuclear materials (01-08-2019)“…In this work, solid-liquid equilibria of the pseudo-binary system ThO2-ZrO2 are investigated. A series of different molar ratios (80:20, 60:40, 40:60, and…”
Get full text
Journal Article