Zobrazeno 1 - 10
of 259
pro vyhledávání: '"Nicolas Dacheux"'
Autor:
Théo Montaigne, Stéphanie Szenknect, Véronique Broudic, Paul-Henri Imbert, Florent Tocino, Christelle Martin, Frédéric Miserque, Christophe Jégou, Nicolas Dacheux
Publikováno v:
npj Materials Degradation, Vol 7, Iss 1, Pp 1-16 (2023)
Abstract Homogeneous and heterogeneous U1-xCexO2 (with 0≤ x≤ 0.25) materials were prepared via wet and dry chemistry routes, respectively before being submitted to dynamic leaching experiments. The feeding solution containing 0.20 mmol.L−1 H2O2
Externí odkaz:
https://doaj.org/article/f15188119828404ab0de70ea2f840ed1
Autor:
Thibault Kaczmarek, Stéphanie Szenknect, Laurent Claparède, Martiane Cabié, Xavier Le Goff, Adel Mesbah, Renaud Podor, Nicolas Dacheux
Publikováno v:
npj Materials Degradation, Vol 6, Iss 1, Pp 1-12 (2022)
Abstract UO2 pellets incorporating 3 mol.% of Ru was prepared by using a wet chemistry route and then characterised. The speciation, morphology, as well as spatial distribution of Ru in the sintered samples, were determined. The synthesised samples w
Externí odkaz:
https://doaj.org/article/2a9610176b15441dbbfb0df405262043
Autor:
Hantao Lin, Stéphanie Szenknect, Adel Mesbah, Fabien Baron, Daniel Beaufort, Yann Batonneau, Julien Mercadier, Aurélien Eglinger, Marion Turuani, Anne-Magali Seydoux-Guillaume, Philippe Goncalves, Flavien Choulet, Virginie Chapon, Maurice Pagel, Nicolas Dacheux
Publikováno v:
npj Materials Degradation, Vol 5, Iss 1, Pp 1-9 (2021)
Abstract Brannerite, UTi2O6 is reported to occur in various uraniferous deposits worldwide. Natural brannerite specimens are found in the amorphous state and are usually considered to be refractory to dissolution due to the formation of TiO2 passivat
Externí odkaz:
https://doaj.org/article/47229ae7611b4876b675fa6d893dedf4
Autor:
Anna Shelyug, Adel Mesbah, Stéphanie Szenknect, Nicolas Clavier, Nicolas Dacheux, Alexandra Navrotsky
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
Rare earth phosphates comprise a large family of compounds proposed as possible nuclear waste disposal forms. We report structural and thermodynamic properties of a series of rare earth rhabdophanes and monazites. The water content of the rhabdophane
Externí odkaz:
https://doaj.org/article/b415ca0eba474be9a7c851beafe391cc
Autor:
Malvina Massonnet, Laurent Claparede, Julien Martinez, Philippe M. Martin, Myrtille O.J.Y. Hunault, Damien Prieur, Adel Mesbah, Nicolas Dacheux, Nicolas Clavier
Publikováno v:
Inorganic Chemistry
Inorganic Chemistry, In press, ⟨10.1021/acs.inorgchem.2c03945⟩
Inorganic Chemistry, In press, ⟨10.1021/acs.inorgchem.2c03945⟩
International audience; Although uranium–cerium dioxides are frequently used as a surrogate material for (U,Pu)O2−δ nuclear fuels, there is currently no reliable data regarding the oxygen stoichiometry and redox speciation of the cations in such
Autor:
Danwen Qin, Anna Shelyug, Stéphanie Szenknect, Adel Mesbah, Nicolas Clavier, Nicolas Dacheux, Alexandra Navrotsky
Publikováno v:
Applied Geochemistry
Applied Geochemistry, 2023, 148, pp.105504. ⟨10.1016/j.apgeochem.2022.105504⟩
Applied Geochemistry, 2023, 148, pp.105504. ⟨10.1016/j.apgeochem.2022.105504⟩
International audience; Monazite-cheralite ceramics are a promising waste form for actinides. To elucidate the longterm behavior of this matrix in aqueous solutions, this study measured thermodynamic data for Thrhabdophanes Ln 1-2x Ca x Th x PO 4 •
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2d5230aa08d64a49c070e8968e69c09
https://hal.umontpellier.fr/hal-04093146
https://hal.umontpellier.fr/hal-04093146
Autor:
Jean-Baptiste Sirven, Stéphanie Szenknect, Evelyne Vors, Eddie Anzalone, Sofian Benarib, Papa-Masserigne Sarr, Pascal E. Reiller, Adel Mesbah, Nicolas Dacheux, Thomas Vercouter, Michaël Descostes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::210cff7ed81bb5b7ae18e740843f5ece
https://doi.org/10.2139/ssrn.4347397
https://doi.org/10.2139/ssrn.4347397
Autor:
Jérôme Maynadié, Nicolas Clavier, Nicolas Dacheux, Jérémie Manaud, Xavier Le Goff, Renaud Podor
Publikováno v:
Journal of the European Ceramic Society
Journal of the European Ceramic Society, Elsevier, In press, ⟨10.1016/j.jeurceramsoc.2021.06.006⟩
Journal of the European Ceramic Society, 2021, 41 (13), pp.6697-6707. ⟨10.1016/j.jeurceramsoc.2021.06.006⟩
Journal of the European Ceramic Society, Elsevier, In press, ⟨10.1016/j.jeurceramsoc.2021.06.006⟩
Journal of the European Ceramic Society, 2021, 41 (13), pp.6697-6707. ⟨10.1016/j.jeurceramsoc.2021.06.006⟩
International audience; The sintering of uranium oxide powders prepared by hydrothermal conversion of oxalates was studied. A dilatometric study first showed that among the synthesis conditions, only the pH largely impacted the densification, notably
Autor:
Nicolas Clavier, Philippe Martin, Jérôme Maynadié, Morgan Zunino, Nicolas Dacheux, Adel Mesbah, Daniel Meyer, Myrtille O.J.Y. Hunault, Jérémie Manaud
Publikováno v:
Inorganic Chemistry
Inorganic Chemistry, American Chemical Society, 2020, ⟨10.1021/acs.inorgchem.9b03672⟩
Inorganic Chemistry, 2020, ⟨10.1021/acs.inorgchem.9b03672⟩
Inorganic Chemistry, American Chemical Society, 2020, ⟨10.1021/acs.inorgchem.9b03672⟩
Inorganic Chemistry, 2020, ⟨10.1021/acs.inorgchem.9b03672⟩
Within the development of future nuclear reactors, wet chemistry routes have been investigated for the fabrication of advanced oxide fuels. In this frame, a multiparametric study focused on the hydrothermal conversion of uranium(IV) oxalate U(C2O4)2
Autor:
Paul Estevenon, Adel Mesbah, Stéphanie Szenknect, Mohamed Ruwaid Rafiuddin, Nicolas Dacheux, Christophe Poinssot, Thibault Kaczmarek, Philippe Moisy, Eleonore Welcomme
Publikováno v:
Crystal Growth & Design 20(2020)3, 1820-1828
Crystal Growth & Design
Crystal Growth & Design, American Chemical Society, 2020, 20 (3), pp.1820-1828. ⟨10.1021/acs.cgd.9b01546⟩
Crystal Growth & Design, 2020, 20 (3), pp.1820-1828. ⟨10.1021/acs.cgd.9b01546⟩
Crystal Growth & Design
Crystal Growth & Design, American Chemical Society, 2020, 20 (3), pp.1820-1828. ⟨10.1021/acs.cgd.9b01546⟩
Crystal Growth & Design, 2020, 20 (3), pp.1820-1828. ⟨10.1021/acs.cgd.9b01546⟩
Despite being a member of the zircon type silicate family, the conditions allowing the hydrothermal synthesis of HfSiO4 were not well constrained. A multiparametric study was performed in order to follow the synthesis of this phase under soft hydro-t