Nicolas Clavier

Directeur de Recherche CNRS
204
Documents
Affiliation actuelle
  • Interfaces de Matériaux en Evolution (LIME)

Domaines de recherche

Chimie Radiochimie

Publications

Publications

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Precipitation of morphology-controlled uranium(VI) peroxide in nitric acid media

Lucas Muller , Paul Estevenon , Christelle Tamain , Nicolas Dacheux , Nicolas Clavier
Dalton Transactions, 2025, 2025, ⟨10.1039/D4DT03467H⟩
Article dans une revue hal-05024010 v1
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Impact of the atmosphere on the sintering capability and chemical durability of Nd-doped UO<sub>2+x</sub> mixed oxides

Thomas Barral , Mickaël Bernar , X. F Le Goff , Martiane Cabié , Elena Bazarkina et al.
Journal of the European Ceramic Society, 2025, 45 (1), pp.116845. ⟨10.1016/j.jeurceramsoc.2024.116845⟩
Article dans une revue hal-04705046 v1
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Chemical durability of uranium oxide microspheres for use as QC materials for nuclear safeguards

Nicolas Clavier , Pierre Asplanato , Wassima Zannouh , Anne-Laure Fauré , Manon Cornaton et al.
Inorganic Chemistry, 2025, 64 (11), pp.5442-5454. ⟨10.1021/acs.inorgchem.4c05244⟩
Article dans une revue hal-05024018 v1
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Impact of sintering parameters on the microstructure of homogeneous U$_{1‐x}$Ce$_x$O$_{2+δ}$ ceramics

Nicolas Clavier , Malvina Massonnet , Laurent Claparede , Renaud Podor , Paul‐henri Imbert et al.
Journal of the American Ceramic Society, 2025, 108 (5), pp.e20376. ⟨10.1111/jace.20376⟩
Article dans une revue hal-05024007 v1
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Incorporation of U(IV) in monazite–cheralite ceramics under oxidizing and inert atmospheres

Alison El Monjid , Stéphanie Szenknect , Adel Mesbah , Myrtille O J Y Hunault , Denis Menut et al.
Dalton Transactions, 2024, 53 (5), pp.2252-2264. ⟨10.1039/D3DT03251E⟩
Article dans une revue hal-04558643 v1
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Long-term, sustainable solutions to radioactive waste management

Kristina Kvashnina , Francis Claret , Nicolas Clavier , Tatiana G Levitskaia , Haruko Wainwright et al.
Scientific Reports, 2024, 14, ⟨10.1038/s41598-024-55911-y⟩
Article dans une revue hal-04509989 v1
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Reductive hydrothermal conversion of uranyl oxalates into UO$_{2+x}$ monitored by in situ XANES analyses

Sofian Benarib , Maëva Munoz , Isabelle Kieffer , Jean-Louis F Hazemann , Nicolas Dacheux et al.
Dalton Transactions, 2024, 53, pp.13982-13995. ⟨10.1039/D4DT01451K⟩
Article dans une revue hal-04700583 v1
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Chemical and environmental stability of monazite-cheralite solid solutions Ln1-2Ca Th PO4 (Ln = Pr, Nd; x = 0–0.15): A thermodynamic study

Danwen Qin , Anna Shelyug , Stéphanie Szenknect , Adel Mesbah , Nicolas Clavier et al.
Applied Geochemistry, 2023, 148, pp.105504. ⟨10.1016/j.apgeochem.2022.105504⟩
Article dans une revue hal-04093146 v1
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Hydrothermal synthesis of homogenous and size-controlled uranium-thorium oxide micro-particles for nuclear safeguards

P. Asplanato , W. Zannouh , A.L. Fauré , P.H. Imbert , J. Lautru et al.
Journal of Nuclear Materials, 2023, 573, pp.154142. ⟨10.1016/j.jnucmat.2022.154142⟩
Article dans une revue hal-03855701 v1
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Multi-scale structural investigation of uranium-plutonium mixed oxides (U$_{1-y}$Pu$_y$)O$_{2-x}$ with high plutonium content

Marie-Margaux Desagulier , J. Martinez , P.M. Martin , F. Lebreton , C. Guéneau et al.
Journal of Nuclear Materials, 2023, 585, pp.154645. ⟨10.1016/j.jnucmat.2023.154645⟩
Article dans une revue hal-04276959 v1
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Hydrothermal conversion of mixed uranium(IV)–cerium(III) oxalates into U$_{1−x}$ Ce$_x$O$_{2+δ}$·$n$H$_2$O solid solutions

Sofian Benarib , Nicolas Dacheux , X. F Le Goff , J. Lautru , Lara Di Mascio et al.
Dalton Transactions, 2023, 52 (31), pp.10951-10968. ⟨10.1039/D3DT01510F⟩
Article dans une revue cea-04249846 v1
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Influence of Sintering Conditions on the Structure and Redox Speciation of Homogeneous (U,Ce)O2+δ Ceramics: A Synchrotron Study

Malvina Massonnet , Laurent Claparede , Julien Martinez , Philippe Martin , Myrtille O.J.Y. Hunault et al.
Inorganic Chemistry, 2023, 62 (19), pp.7173-7185. ⟨10.1021/acs.inorgchem.2c03945⟩
Article dans une revue hal-04090309 v1

Fission products speciation in nuclear fuel: Synthesis and characterisation of mixed oxide (U,Pu)O2 SIMfuel

Rafael Caprani , Philippe Martin , Damien Prieur , Julien Martinez , Myrtille O.J.Y. Hunault et al.
Journal of Nuclear Materials, 2023, 585, pp.154607. ⟨10.1016/j.jnucmat.2023.154607⟩
Article dans une revue cea-04698526 v1

Facile Preparation of Macro-Microporous Thorium Oxide via a Colloidal Sol–Gel Route toward Safe MOX Fuel Fabrication

Zijie Lu , Thomas Zemb , X. F Le Goff , Nicolas Clavier , Hassan Khoder et al.
ACS Applied Materials & Interfaces, 2022, 14 (47), pp.53165-53173. ⟨10.1021/acsami.2c16384⟩
Article dans une revue hal-04704248 v1
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Impact of impurities on the fabrication and performances of yttrium-doped thoria electrolyte ceramics

Nicolas Clavier , Yanis Cherkaski , Laurent Brissonneau , Nicolas Dacheux
Journal of Nuclear Materials, 2022, 560, pp.153499. ⟨10.1016/j.jnucmat.2021.153499⟩
Article dans une revue cea-03517159 v1
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SEraMic: a semi-automatic method for the segmentation of grain boundaries

Renaud Podor , X. F Le Goff , J. Lautru , H.P. Brau , M. Massonnet et al.
Journal of the European Ceramic Society, 2021, 41 (10), pp.5349-5358. ⟨10.1016/j.jeurceramsoc.2021.03.062⟩
Article dans une revue hal-03191884 v1
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Effect of Annealing on Structural and Thermodynamic Properties of ThSiO4-ErPO4 Xenotime Solid Solution

A. Shelyug , M. Rafiuddin , Adel Mesbah , Nicolas Clavier , Stephanie Szenknect et al.
Inorganic Chemistry, 2021, 60 (16), pp.12020-12028. ⟨10.1021/acs.inorgchem.1c01137⟩
Article dans une revue hal-03343982 v1
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Role of Water and Hydroxyl Groups in the Structures of Stetindite and Coffinite, MSiO4 (M = Ce, U)

Andrew C Strzelecki , Thomas Barral , Paul Estevenon , Adel Mesbah , Vitaliy Goncharov et al.
Inorganic Chemistry, 2021, 60 (2), pp.718-735. ⟨10.1021/acs.inorgchem.0c02757⟩
Article dans une revue hal-03379823 v1
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Direct sintering of UO2+x oxides prepared under hydrothermal conditions

J. Manaud , Renaud Podor , X. F Le Goff , Jérôme Maynadie , Nicolas Dacheux et al.
Journal of the European Ceramic Society, 2021, 41 (13), pp.6697-6707. ⟨10.1016/j.jeurceramsoc.2021.06.006⟩
Article dans une revue hal-03259275 v1
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Influence of the PuO2 content on the sintering behaviour of UO2-PuO2 freeze-granulated powders under reducing conditions

Julie Simeon , Florent Lebreton , Laure Ramond , Nicolas Clavier , Guillaume Bernard-Granger
Journal of the European Ceramic Society, 2021, 41 (13), pp.6778-6783. ⟨10.1016/j.jeurceramsoc.2021.06.032⟩
Article dans une revue cea-03550882 v1
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A multiscale in situ high temperature high resolution transmission electron microscopy study of ThO2 sintering

Renaud Podor , V. Trillaud , G. Nkou Bouala , Nicolas Dacheux , C. Ricolleau et al.
Nanoscale, 2021, 13 (15), pp.7362-7374. ⟨10.1039/D1NR00956G⟩
Article dans une revue hal-03337033 v1
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Structural and Thermodynamic Investigation of the Perovskite Ba2NaMoO 5.5

Guilhem Kauric , Enrica Epifano , Philippe Martin , Lambert van Eijck , Daniel Bouëxière et al.
Inorganic Chemistry, 2020, 59 (9), pp.6120-6130. ⟨10.1021/acs.inorgchem.0c00210⟩
Article dans une revue hal-02566941 v1
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Impact of liquid sodium corrosion on microstructure and electrical properties of yttrium-doped thoria prepared by co-precipitation

Y. Cherkaski , Nicolas Clavier , L. Brissonneau , N. Dacheux
Corrosion Science, 2020, pp.108721. ⟨10.1016/j.corsci.2020.108721⟩
Article dans une revue hal-02566719 v1
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Hydrothermal Conversion of Thorium Oxalate into ThO2 · nH2O Oxide

J. Manaud , Jérôme Maynadie , Adel Mesbah , Myrtille O J y Hunault , Philippe Martin et al.
Inorganic Chemistry, In press, ⟨10.1021/acs.inorgchem.0c01633⟩
Article dans une revue hal-02954590 v1
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Hydrothermal Conversion of Uranium(IV) Oxalate into Oxides: A Comprehensive Study

J. Manaud , Jérôme Maynadie , Adel Mesbah , Myrtille Hunault , Morgan Zunino et al.
Inorganic Chemistry, 2020, ⟨10.1021/acs.inorgchem.9b03672⟩
Article dans une revue hal-02491348 v1
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Reaction sintering of rhabdophane into monazite-cheralite Nd1-2xThxCaxPO4 (x = 0 – 0.1) ceramics

Danwen Qin , Adel Mesbah , Joseph Lautru , Stephanie Szenknect , Nicolas Dacheux et al.
Journal of the European Ceramic Society, 2020, 40 (3), pp.911-922. ⟨10.1016/j.jeurceramsoc.2019.10.050⟩
Article dans une revue hal-02353029 v1
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Early stages of UO2+x Sintering by in situ High-Temperature Environmental Scanning Electron Microscopy

V. Trillaud , Renaud Podor , S. Gossé , Adel Mesbah , N. Dacheux et al.
Journal of the European Ceramic Society, 2020, 40 (15), pp.5891-5899. ⟨10.1016/j.jeurceramsoc.2020.07.031⟩
Article dans une revue hal-02927338 v1
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Charge compensation mechanisms in Nd-doped UO2 samples for stoichiometric and hypo-stoichiometric conditions: Lack of miscibility gap

Bernardo Herrero , René Bes , F. Audubert , Nicolas Clavier , Myrtille O.J.Y. Hunault et al.
Journal of Nuclear Materials, 2020, pp.152276. ⟨10.1016/j.jnucmat.2020.152276⟩
Article dans une revue hal-02867858 v1
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Uranium removal from mining water using Cu substituted hydroxyapatite

Stephanie Szenknect , Adel Mesbah , Michael Descostes , Abdoulaye Maihatchi-Ahamed , Laura Bonato et al.
Journal of Hazardous Materials, 2020, 392, pp.122501. ⟨10.1016/j.jhazmat.2020.122501⟩
Article dans une revue hal-02566929 v1
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Sintering of a UO2 - PuO2 freeze-granulated powder under reducing conditions

Julie Simeon , Florent Lebreton , Laure Ramond , Florian La Lumia , Nicolas Clavier et al.
Journal of the European Ceramic Society, 2020, 40 (15), pp.5900-5908. ⟨10.1016/j.jeurceramsoc.2020.07.022⟩
Article dans une revue hal-02927353 v1
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Structural changes of Nd- and Ce-doped ammonium diuranate microspheres during the conversion to U1−yLnyO2±x

Christian Schreinemachers , Gregory Leinders , Renaud Podor , Joseph Lautru , Nicolas Clavier et al.
Journal of Nuclear Materials, 2020, 542, pp.152454. ⟨10.1016/j.jnucmat.2020.152454⟩
Article dans une revue hal-03000844 v1
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Oxidation as an early stage in the multistep thermal decomposition of uranium(IV) oxalate into U3O8

Lénaïc Desfougeres , Eleonore Welcomme , Maelig Ollivier , Philippe Martin , Julie Hennuyer et al.
Inorganic Chemistry, 2020, 59 (12), pp.8589-8602. ⟨10.1021/acs.inorgchem.0c01047⟩
Article dans une revue hal-02736864 v1
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From Th-Rhabdophane to Monazite-Cheralite Solid Solutions: Thermal Behavior of Nd 1–2 x Th x Ca x PO 4 · n H 2 O ( x = 0–0.15)

Danwen Qin , Adel Mesbah , Nicolas Clavier , Stephanie Szenknect , Nicolas Dacheux
Crystal Growth & Design, 2019, 19 (5), pp.2794-2801. ⟨10.1021/acs.cgd.9b00028⟩
Article dans une revue hal-02349706 v1
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Working with the ESEM at high temperature

Renaud Podor , G.I. Nkou Bouala , J. Ravaux , J. Lautru , Nicolas Clavier
Materials Characterization, 2019, 151, pp.15-26. ⟨10.1016/j.matchar.2019.02.036⟩
Article dans une revue hal-02064126 v1
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Impact of the cationic homogeneity on Th$_{0.5}$U$_{0.5}$O$_2$ densification and chemical durability

Laurent Claparede , Nicolas Clavier , Adel Mesbah , Florent Tocino , Stephanie Szenknect et al.
Journal of Nuclear Materials, 2019, 514, pp.368-379. ⟨10.1016/j.jnucmat.2018.12.009⟩
Article dans une revue hal-02045563 v1
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Synthesis, Crystal Structure, and Enthalpies of Formation of Churchite-type REPO 4 ·2H 2 O (RE = Gd to Lu) Materials

Tamilarasan Subramani , Mohamed Ruwaid Rafiuddin , Anna Shelyug , Sergey V. Ushakov , Adel Mesbah et al.
Crystal Growth & Design, 2019, 19 (8), pp.4641-4649. ⟨10.1021/acs.cgd.9b00524⟩
Article dans une revue hal-02349679 v1

Determination of the isotopic composition of single sub-micrometer-sized uranium particles by laser ablation coupled with multi-collector inductively coupled plasma mass spectrometry

Anne-Laure Ronzani , Amélie Hubert , Fabien Pointurier , Olivier Marie , Nicolas Clavier et al.
Rapid Communications in Mass Spectrometry, 2019, 33 (5), pp.419-428. ⟨10.1002/rcm.8366⟩
Article dans une revue hal-02064114 v1
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Structural and thermodynamic study of Cs3Na(MoO4)2: Margin to the safe operation of sodium cooled fast reactors

A.L. Smith , G. Kauric , L. van Eijck , K. Goubitz , Nicolas Clavier et al.
Journal of Solid State Chemistry, 2019, 269, pp.1-8. ⟨10.1016/j.jssc.2018.08.033⟩
Article dans une revue hal-01980189 v1
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Direct synthesis of pure brannerite UTi2O6

Adel Mesbah , Stephanie Szenknect , Nicolas Clavier , Hantao Lin , Fabien Baron et al.
Journal of Nuclear Materials, 2019, 515, pp.401-406. ⟨10.1016/j.jnucmat.2019.01.003⟩
Article dans une revue hal-01979146 v1

Dissolution kinetics of monazite LnPO4 (Ln = La to Gd): A multiparametric study

Clémence Gausse , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier , Stefan Neumeier et al.
Applied Geochemistry, 2018, 93, pp.81-93. ⟨10.1016/j.apgeochem.2018.04.005⟩
Article dans une revue hal-02045583 v1
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Monazite, rhabdophane, xenotime & churchite: Vibrational spectroscopy of gadolinium phosphate polymorphs

Nicolas Clavier , Adel Mesbah , Stephanie Szenknect , N. Dacheux
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2018, 205, pp.85-94. ⟨10.1016/j.saa.2018.07.016⟩
Article dans une revue hal-02045615 v1
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From sintering to chemical durability impact of the cationic homogeneity on the (Th,U)O2 ceramics lifecycle

Laurent Claparede , Nicolas Clavier , A. Mesbah , F. Tocino , Stephanie Szenknect et al.
Journal of Nuclear Materials, 2018
Article dans une revue hal-02339642 v1

Effect of powder morphology on sintering kinetics, microstructure and mechanical properties of monazite ceramics

Y. Arinicheva , Nicolas Clavier , S. Neumeier , Renaud Podor , A. Bukaemskiy et al.
Journal of the European Ceramic Society, 2018, 38 (1), pp.227-234. ⟨10.1016/j.jeurceramsoc.2017.08.008⟩
Article dans une revue hal-01996074 v1
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Synthesis of size-controlled UO2 microspheres from the hydrothermal conversion of U(IV) aspartate

V. Trillaud , Jérôme Maynadie , J. Manaud , J. Hidalgo , D. Meyer et al.
CrystEngComm, 2018, 20 (48), pp.7749-7760. ⟨10.1039/C8CE01352G⟩
Article dans une revue hal-02007816 v1
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Thermodynamics and Stability of Rhabdophanes, Hydrated Rare Earth Phosphates REPO4 · n H2O

Anna Shelyug , Adel Mesbah , Stephanie Szenknect , Nicolas Clavier , Nicolas Dacheux et al.
Frontiers in Chemistry, 2018, 6, ⟨10.3389/fchem.2018.00604⟩
Article dans une revue hal-02048771 v1
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Densification behavior and microstructure evolution of yttrium-doped ThO$_2$ ceramics

Y. Cherkaski , Nicolas Clavier , L. Brissonneau , Renaud Podor , N. Dacheux
Journal of the European Ceramic Society, 2017, 37 (10), pp.3381-3391. ⟨10.1016/j.jeurceramsoc.2017.04.015⟩
Article dans une revue hal-01996178 v1

Incorporation of thorium in the rhabdophane structure: Synthesis and characterization of Pr 1-2x Ca x Th x PO 4 ·nH 2 O solid solutions

Danwen Qin , Adel Mesbah , Clémence Gausse , Stephanie Szenknect , Nicolas Dacheux et al.
Journal of Nuclear Materials, 2017, 492, pp.88-96. ⟨10.1016/j.jnucmat.2017.05.019⟩
Article dans une revue hal-02045639 v1
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Thorium aspartate tetrahydrate precursor to ThO 2 : Comparison of hydrothermal and thermal conversions

Nicolas Clavier , Jérôme Maynadie , Adel Mesbah , J. Hidalgo , R. Lauwerier et al.
Journal of Nuclear Materials, 2017, 487, pp.331-342. ⟨10.1016/j.jnucmat.2017.02.035⟩
Article dans une revue hal-02045493 v1

Structural and thermodynamic study of dicesium molybdate Cs2Mo2O7: Implications for fast neutron reactors

A.L. Smith , G. Kauric , L. van Eijck , K. Goubitz , G. Wallez et al.
Journal of Solid State Chemistry, 2017, 253, pp.89-102. ⟨10.1016/j.jssc.2017.05.032⟩
Article dans une revue hal-02064078 v1
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Synthesis and Direct Sintering of Nanosized (MIV,MIII)O2- x Hydrated Oxides as Electrolyte Ceramics

Nicolas Clavier , Yanis Cherkaski , Julien Martinez , Sophie Costis , Théo Cordara et al.
ChemPhysChem, 2017, 18 (19), pp.2666-2674. ⟨10.1002/cphc.201700647⟩
Article dans une revue hal-02010080 v1
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High-temperature electron microscopy study of ThO$_2$ microspheres sintering

G.I. Nkou Bouala , Nicolas Clavier , J. Léchelle , J. Monnier , Ch. Ricolleau et al.
Journal of the European Ceramic Society, 2017, 37 (2), pp.727-738. ⟨10.1016/j.jeurceramsoc.2016.08.029⟩
Article dans une revue hal-01996134 v1

Synthesis and Direct Sintering of Nanosized (M IV ,M III )O 2‐ x Hydrated Oxides as Electrolyte Ceramics

Nicolas Clavier , Yanis Cherkaski , Julien Martinez , Sophie Costis , Théo Cordara et al.
ChemPhysChem, 2017, 18 (19), pp.2666-2674. ⟨10.1002/cphc.201700647⟩
Article dans une revue cea-04698485 v1

Solubility product of the thorium phosphate hydrogen-phosphate hydrate (Th2(PO4)2(HPO4)·H2O,TPHPH)

Danwen Qin , Clémence Gausse , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier et al.
Journal of Chemical Thermodynamics, 2017, 114, pp.151-164. ⟨10.1016/j.jct.2017.01.003⟩
Article dans une revue hal-02045632 v1

In pursuit of the rhabdophane crystal structure: from the hydrated monoclinic LnPO4.0.667H2O to the hexagonal LnPO4 (Ln = Nd, Sm, Gd, Eu and Dy)

Adel Mesbah , Nicolas Clavier , Erik Elkaim , Stephanie Szenknect , Nicolas Dacheux
Journal of Solid State Chemistry, 2017, 249, pp.221-227. ⟨10.1016/J.JSSC.2017.03.004⟩
Article dans une revue hal-02045496 v1
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Novel approaches for the in situ study of the sintering of nuclear oxide fuel materials and their surrogates

Nicolas Clavier , Galy Ingrid Nkou Bouala , Jacques Léchelle , Julien Martinez , Nicolas Dacheux et al.
Radiochimica Acta, 2017, 105 (11), pp.879-892. ⟨10.1515/ract-2016-2659⟩
Article dans une revue hal-01998480 v1

Determination of the Solubility of Rhabdophanes LnPO4·0.667 H2O (Ln = La to Dy)

Clémence Gausse , Stephanie Szenknect , Danwen Qin , Adel Mesbah , Nicolas Clavier et al.
European Journal of Inorganic Chemistry, 2016, 2016 (28), pp.4615-4630. ⟨10.1002/ejic.201600517⟩
Article dans une revue istex hal-02010069 v1

The effect of the synthesis route of monazite precursors on the microstructure of sintered pellets

S. Neumeier , Y. Arinicheva , Nicolas Clavier , Renaud Podor , A. Bukaemskiy et al.
Progress in Nuclear Energy, 2016, 92, pp.298-305. ⟨10.1016/j.pnucene.2016.07.011⟩
Article dans une revue hal-01998447 v1
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Energetics of a uranothorite (Th$_{1–x}$U$_x$SiO$_4$) solid solution

Xiaofeng Guo , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier , Christophe Poinssot et al.
Chemistry of Materials, 2016, 28 (19), pp.7117-7124. ⟨10.1021/acs.chemmater.6b03346⟩
Article dans une revue hal-02045481 v1

Incorporation of Thorium in the Zircon Structure Type through the Th1–xErx(SiO4)1–x(PO4)x Thorite–Xenotime Solid Solution

Adel Mesbah , Nicolas Clavier , M. Janeth Lozano-Rodriguez , Stephanie Szenknect , Nicolas Dacheux
Inorganic Chemistry, 2016, 55 (21), pp.11273-11282. ⟨10.1021/acs.inorgchem.6b01862⟩
Article dans une revue hal-02045489 v1
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Preparation, characterization and sintering of yttrium-doped ThO2 for oxygen sensors applications

M. Gabard , Y. Cherkaski , L. Brissonneau , M. C Steil , J. Fouletier et al.
Journal of Alloys and Compounds, 2016, 689, pp.374-382. ⟨10.1016/j.jallcom.2016.07.271⟩
Article dans une revue hal-02010063 v1
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From in Situ HT-ESEM Observations to Simulation: How Does Polycrystallinity Affects the Sintering of CeO2 Microspheres?

G.I. Nkou Bouala , Nicolas Clavier , Sylvain Martin , Jacques Léchelle , Julien Favrichon et al.
Journal of Physical Chemistry C, 2016, 120 (1), pp.386-395. ⟨10.1021/acs.jpcc.5b10465⟩
Article dans une revue hal-01252614 v1
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Vibrational spectroscopy of synthetic analogues of ankoleite, chernikovite and intermediate solid solution

Nicolas Clavier , F. Crétaz , Stephanie Szenknect , Adel Mesbah , C. Poinssot et al.
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2016, 156, pp.143-150. ⟨10.1016/j.saa.2015.11.035⟩
Article dans une revue hal-02010054 v1
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First experimental determination of the solubility constant of coffinite

Stephanie Szenknect , Adel Mesbah , Théo Cordara , Nicolas Clavier , H.P. Brau et al.
Geochimica et Cosmochimica Acta, 2016, 181, pp.36-53. ⟨10.1016/j.gca.2016.02.010⟩
Article dans une revue hal-01998419 v1

Coffinite, USiO4 , Is Abundant in Nature: So Why Is It So Difficult To Synthesize?

Adel Mesbah , Stephanie Szenknect , Nicolas Clavier , Janeth Lozano-Rodriguez , Christophe Poinssot et al.
Inorganic Chemistry, 2015, 54 (14), pp.6687-6696. ⟨10.1021/ic502808n⟩
Article dans une revue hal-02045281 v1
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From uranium(IV) oxalate to sintered UO2 : Consequences of the powders' thermal history on the microstructure

Julien Martinez , Nicolas Clavier , T. Ducasse , Adel Mesbah , F. Audubert et al.
Journal of the European Ceramic Society, 2015, 35 (16), pp.4535-4546. ⟨10.1016/j.jeurceramsoc.2015.07.010⟩
Article dans une revue hal-02045286 v1

Dissolution of Th1−xUxO2 : Effects of chemical composition and microstructure

Laurent Claparede , Florent Tocino , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier et al.
Journal of Nuclear Materials, 2015, 457, pp.304-316. ⟨10.1016/j.jnucmat.2014.11.094⟩
Article dans une revue hal-02045274 v1

In situ HT-ESEM study of crystallites growth within CeO2 microspheres

G.I. Nkou Bouala , Nicolas Clavier , J. Léchelle , Adel Mesbah , N. Dacheux et al.
Ceramics International, 2015, 41 (10), pp.14703-14711. ⟨10.1016/j.ceramint.2015.07.194⟩
Article dans une revue hal-02000073 v1

Thermodynamics of formation of coffinite, USiO4

Xiaofeng Guo , Stephanie Szenknect , Adel Mesbah , Sabrina Labs , Nicolas Clavier et al.
Proceedings of the National Academy of Sciences of the United States of America, 2015, 112 (21), pp.6551-6555. ⟨10.1073/pnas.1507441112⟩
Article dans une revue hal-02045277 v1
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An original precipitation route toward the preparation and the sintering of highly reactive uranium cerium dioxide powders

Julien Martinez , Adel Mesbah , F. Audubert , X. F Le Goff , N. Vigier et al.
Journal of Nuclear Materials, 2015, 462, pp.173-181. ⟨10.1016/j.jnucmat.2015.03.053⟩
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Catalytic dissolution of ceria–lanthanide mixed oxides provides environmentally friendly partitioning of lanthanides and platinum

Xavier Beaudoux , Matthieu Virot , Tony Chave , Gilles Leturcq , Nicolas Clavier et al.
Hydrometallurgy, 2015, 151, pp.107-115. ⟨10.1016/j.hydromet.2014.11.011⟩
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Charged defects during alpha-irradiation of actinide oxides as revealed by Raman and luminescence spectroscopy

R. Mohun , L. Desgranges , P. Simon , G. Guimbretière , A. Canizares et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2015, 374, pp.67 - 70. ⟨10.1016/j.nimb.2015.08.003⟩
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Effect of hydration and thermal treatment on ceria surface using non-intrusive techniques

Jérémy Gaillard , Laurent Venault , Rachel Calvet , Sylvie del Confetto , Nicolas Clavier et al.
Journal of Nuclear Materials, 2014, 444 (1-3), p.359-367. ⟨10.1016/j.jnucmat.2013.10.018⟩
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From thorite to coffinite: A spectroscopic study of Th1−xUxSiO4 solid solutions

Nicolas Clavier , Stephanie Szenknect , D.T. Costin , Adel Mesbah , C. Poinssot et al.
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2014, 118, pp.302-307. ⟨10.1016/j.saa.2013.08.093⟩
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Dissolution of uranium mixed oxides: The role of oxygen vacancies vs the redox reactions

Florent Tocino , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier , Nicolas Dacheux
Progress in Nuclear Energy, 2014, 72, pp.101-106. ⟨10.1016/j.pnucene.2013.09.014⟩
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Environmental SEM monitoring of Ce1−xLnxO2−x/2 mixed-oxide microstructural evolution during dissolution

D. Horlait , Laurent Claparede , F. Tocino , Nicolas Clavier , J. Ravaux et al.
Journal of Materials Chemistry A, 2014, 2 (15), pp.5193-5203. ⟨10.1039/C3TA14623E⟩
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Preparation and characterisation of uranium oxides with spherical shapes and hierarchical structures

G. Nkou Bouala , Nicolas Clavier , Renaud Podor , J. Cambedouzou , Adel Mesbah et al.
CrystEngComm, 2014, 16 (30), pp.6944-6954. ⟨10.1039/C4CE00850B⟩
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High-temperature behavior of dicesium molybdate Cs2MoO4: Implications for fast neutron reactors

Gilles Wallez , Philippe Raison , Anna L Smith , Nicolas Clavier , Nicolas Dacheux
Journal of Solid State Chemistry, 2014, 215, pp.225-230. ⟨10.1016/j.jssc.2014.04.003⟩
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Chemical and mineralogical modifications of simplified radioactive waste calcine during heat treatment

A. Monteiro , S. Schuller , M. J. Toplis , Renaud Podor , J. Ravaux et al.
Journal of Nuclear Materials, 2014, 448 (1–3), pp.8-19. ⟨10.1016/j.jnucmat.2014.01.012⟩
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Monoclinic Form of the Rhabdophane Compounds: REEPO4·0.667H2O

Adel Mesbah , Nicolas Clavier , Erik Elkaim , Clémence Gausse , Ilyes Ben Kacem et al.
Crystal Growth & Design, 2014, 14 (10), pp.5090-5098. ⟨10.1021/cg500707b⟩
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Purification of uranothorite solid solutions from polyphase systems

Nicolas Clavier , Stephanie Szenknect , Dan Tiberiu Costin , Adel Mesbah , Johann Ravaux et al.
Journal of Nuclear Materials, 2013, 441 (1-3), pp.73-83. ⟨10.1016/j.jnucmat.2013.05.032⟩
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Dilatometric study of U1−xAmxO2±δ and U1−xCexO2±δ reactive sintering

Denis Horlait , Alex Feledziak , Florent Lebreton , Nicolas Clavier , Damien Prieur et al.
Journal of Nuclear Materials, 2013, 441 (1-3), pp.40-46. ⟨10.1016/j.jnucmat.2013.05.024⟩
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Solubility properties of synthetic and natural meta-torbernite

Fanny Cretaz , Stephanie Szenknect , Nicolas Clavier , Pierre Vitorge , Adel Mesbah et al.
Journal of Nuclear Materials, 2013, 442 (1-3), pp.195-207. ⟨10.1016/j.jnucmat.2013.08.037⟩
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The Flexible Ba7UM2S12.5O0.5 (M = V, Fe) Compounds: Syntheses, Structures and Spectroscopic, Resistivity, and Electronic Properties

Adel Mesbah , Wojciech Stojko , Christos D. Malliakas , Sébastien Lebègue , Nicolas Clavier et al.
Inorganic Chemistry, 2013, 52 (20), pp.12057 - 12063. ⟨10.1021/ic401871x⟩
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From Uranothorites to Coffinite: A Solid Solution Route to the Thermodynamic Properties of USiO 4

Stephanie Szenknect , Dan Costin , Nicolas Clavier , Adel Mesbah , Christophe Poinssot et al.
Inorganic Chemistry, 2013, 52 (12), pp.6957-6968. ⟨10.1021/ic400272s⟩
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Preparation and characterization of synthetic Th0.5U0.5SiO4 uranothorite

D.T. Costin , Adel Mesbah , Nicolas Clavier , Stephanie Szenknect , N. Dacheux et al.
Progress in Nuclear Energy, 2012, 57, pp.155-160. ⟨10.1016/j.pnucene.2011.10.004⟩
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Kinetics of Structural and Microstructural Changes at the Solid/Solution Interface during Dissolution of Cerium(IV)–Neodymium(III) Oxides

Stephanie Szenknect , Adel Mesbah , Denis Horlait , Nicolas Clavier , Sandrine Dourdain et al.
Journal of Physical Chemistry C, 2012, 116 (22), pp.12027-12037. ⟨10.1021/jp3007602⟩
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Calcined Resin Microsphere Pelletization (CRMP) a novel process for sintered metallic oxide pellets synthesis.

E. Remy , S. Picart , S. Grandjean , T. Delahaye , N. Herlet et al.
Journal of the European Ceramic Society, 2012, 32 (12), pp.3199-3209. ⟨10.1016/j.jeurceramsoc.2012.04.011⟩
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Catalytic dissolution of ceria under mild conditions

Matthieu Virot , Tony Chave , Denis Horlait , Nicolas Clavier , Nicolas Dacheux et al.
Journal of Materials Chemistry, 2012, 22 (29), pp.14734. ⟨10.1039/C2JM31996A⟩
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Triclinic–Cubic Phase Transition and Negative Expansion in the Actinide IV (Th, U, Np, Pu) Diphosphates

Gilles Wallez , Philippe E. Raison , Nicolas Dacheux , Nicolas Clavier , Denis Bykov et al.
Inorganic Chemistry, 2012, 51 (7), pp.4314-4322. ⟨10.1021/ic300036y⟩
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Dynamic aspects of cerium dioxide sintering: HT-ESEM study of grain growth and pore elimination

Renaud Podor , Nicolas Clavier , Johann Ravaux , Laurent Claparede , Nicolas Dacheux et al.
Journal of the European Ceramic Society, 2012, 32 (2), pp.353-362. ⟨10.1016/j.jeurceramsoc.2011.08.032⟩
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Multiparametric Dissolution of Thorium–Cerium Dioxide Solid Solutions

Laurent Claparede , Nicolas Clavier , Nicolas Dacheux , Adel Mesbah , Julien Martinez et al.
Inorganic Chemistry, 2011, 50 (22), pp.11702-11714. ⟨10.1021/ic201699t⟩
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How To Explain the Difficulties in the Coffinite Synthesis from the Study of Uranothorite?

D. Costin , Adel Mesbah , Nicolas Clavier , N. Dacheux , C. Poinssot et al.
Inorganic Chemistry, 2011, 50 (21), pp.11117-11126. ⟨10.1021/ic2016758⟩
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X-Ray Diffraction and μ-Raman Investigation of the Monoclinic-Orthorhombic Phase Transition in Th1−xUx(C2O4)2·2H2O Solid Solutions

Nicolas Clavier , N. Hingant , M. Rivenet , S. Obbade , N. Dacheux et al.
Inorganic Chemistry, 2010, 49, pp.1921-1931. ⟨10.1021/ic902343r⟩
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Kinetics of dissolution of thorium and uranium doped britholite ceramics

N. Dacheux , E. Du Fou de Kerdaniel , Nicolas Clavier , Renaud Podor , J. Aupiais et al.
Journal of Nuclear Materials, 2010, 404, pp.33-43. ⟨10.1016/j.jnucmat.2010.06.023⟩
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Preparation, sintering and leaching of optimized uranium thorium dioxides

N. Hingant , Nicolas Clavier , N. Dacheux , N. Barre , S. Hubert et al.
Journal of Nuclear Materials, 2009, 385, pp.400-406. ⟨10.1016/j.jnucmat.2008.12.011⟩
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Preparation of Optimized Uranium and Thorium Bearing Brabantite or Monazite/Brabantite Solid Solutions

O. Terra , N. Dacheux , Nicolas Clavier , Renaud Podor , F. Audubert
Journal of the American Ceramic Society, 2008, 91, pp.3673-3682. ⟨10.1111/j.1551-2916.2008.02678.x⟩
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Hydrothermal Method of Preparation of Actinide(IV) Phosphate Hydrogenphosphate Hydrates and Study of Their Conversion into Actinide(IV) Phosphate Diphosphate Solid Solutions

N. Dacheux , S. Grandjean , J. Rousselle , Nicolas Clavier
Inorganic Chemistry, 2007, 46, pp.10390-10399. ⟨10.1021/ic701297v⟩
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Investigation in thorium phosphate by NMR II-phosphorus dipolar networks

J. Emery , N. Dacheux , Nicolas Clavier
Solid State Nuclear Magnetic Resonance, 2006, 29, pp.294-304. ⟨10.1016/j.ssnmr.2005.10.006⟩
Article dans une revue istex in2p3-00259067 v1
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From thorium phosphate hydrogenphosphate hydrate to $\beta$-thorium phosphate diphosphate: Structural evolution to a radwaste storage ceramic

G. Wallez , Nicolas Clavier , N. Dacheux , M. Quarton , W. van Beek
Journal of Solid State Chemistry, 2006, 179, pp.3007-3016. ⟨10.1016/j.jssc.2006.05.027⟩
Article dans une revue in2p3-00106759 v1

Behavior of thorium–uranium (IV) phosphate–diphosphate sintered samples during leaching tests. Part II. Saturation processes

Nicolas Clavier , E. Du Fou de Kerdaniel , N. Dacheux , Philippe Le Coustumer , R. Drot et al.
Journal of Nuclear Materials, 2006, 349, pp.304-316. ⟨10.1016/j.jnucmat.2005.11.010⟩
Article dans une revue istex in2p3-00259110 v1

Behavior of thorium–uranium (IV) phosphate–diphosphate sintered samples during leaching tests. Part I – Kinetic study

N. Dacheux , Nicolas Clavier , J. Ritt
Journal of Nuclear Materials, 2006, 349, pp.291-303. ⟨10.1016/j.jnucmat.2005.11.009⟩
Article dans une revue istex in2p3-00259106 v1

Separation of uranium(VI) from tri- and tetravalent elements in phosphoric acid solutions

V. Brandel , Nicolas Clavier , N. Dacheux
Radiochimica Acta, 2006, 94, pp.461-464. ⟨10.1524/ract.2006.94.8.461⟩
Article dans une revue in2p3-00273099 v1

Synthesis, Characterization, Sintering, and Leaching of $\beta$-TUPD/Monazite Radwaste Matrices

Nicolas Clavier , N. Dacheux , Renaud Podor
Inorganic Chemistry, 2006, 45, pp.220-229. ⟨10.1021/ic051607p⟩
Article dans une revue istex in2p3-00025330 v1

Investigation in hydrated thorium phosphates by NMR I-relation proton phosphorus

J. Emery , N. Dacheux , Nicolas Clavier
Solid State Nuclear Magnetic Resonance, 2006, 30, pp.29-44. ⟨10.1016/j.ssnmr.2005.12.004⟩
Article dans une revue istex in2p3-00259078 v1

Synthesis and characterization of uranium (IV) phosphate-hydrogenphosphate hydrate and cerium (IV) phosphate-hydrogenphosphate hydrate

V. Brandel , Nicolas Clavier , N. Dacheux
Journal of Solid State Chemistry, 2005, 178, pp.1054-1063. ⟨10.1016/j.jssc.2005.01.005⟩
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Characterization of the thorium phosphate-hydrogenphosphate hydrate (TPHPH) and study of its transformation into the thorium phosphate-diphosphate ($\beta$-TPD)

N. Dacheux , Nicolas Clavier , G. Wallez , V. Brandel , J. Emery et al.
Materials Research Bulletin, 2005, 40, pp.2225-2242. ⟨10.1016/j.materresbull.2005.06.011⟩
Article dans une revue istex in2p3-00025401 v1

Étude par RMN de matériaux pour l'immobilisation de déchets nucléaires

J. Emery , N. Dacheux , Nicolas Clavier , M. Genet , V. Brandel et al.
Comptes Rendus. Chimie, 2004, 7, pp.371-375. ⟨10.1016/j.crci.2003.09.010⟩
Article dans une revue in2p3-00025654 v1

Sintering of $\^beta$-Thorium-Uranium(IV) Phosphate-Diphosphate Solid Solutions from Low-Temperature Precursors

Nicolas Clavier , N. Dacheux , P. Martinez , E. Du Fou de Kerdaniel , L. Aranda et al.
Chemistry of Materials, 2004, 16, pp.3357-3366. ⟨10.1021/cm0494047⟩
Article dans une revue istex in2p3-00025663 v1

Immobilisation of actinides in phosphate matrices

N. Dacheux , Nicolas Clavier , A.-C. Robisson , O. Terra , F. Audubert et al.
Comptes Rendus. Chimie, 2004, 7, pp.1141-1152. ⟨10.1016/j.crci.2004.02.019⟩
Article dans une revue istex in2p3-00025655 v1

Synthesis and characterization of low-temperature precursors of thorium–uranium (IV) phosphate–diphosphate solid solutions

Nicolas Clavier , N. Dacheux , P. Martinez , V. Brandel , Renaud Podor et al.
Journal of Nuclear Materials, 2004, 335, pp.397-409. ⟨10.1016/j.jnucmat.2004.07.048⟩
Article dans une revue istex in2p3-00023435 v1

Preparation and characterization of lanthanum–gadolinium monazites as ceramics for radioactive waste storage

O. Terra , Nicolas Clavier , N. Dacheux , Renaud Podor
New Journal of Chemistry, 2003, 27, pp.957-967. ⟨10.1039/b212805p⟩
Article dans une revue in2p3-00023826 v1

Impact of lanthanide and PGM elements and surface modifications during the leaching tests of FP doped UO2 pellets mimicking interim repository

Paul-Henri Imbert , Laurent Claparede , Nicolas Clavier , Stephanie Szenknect , Nicolas Dacheux
Atalante 2024, Sep 2024, Avignon, France
Communication dans un congrès hal-04705008 v1

Impact des éléments lanthanide et platinoïde sur les mécanismes d’altération de pastilles d’UO2 en conditions représentatives d’un entreposage sous eau

Paul-Henri Imbert , Laurent Claparede , Nicolas Clavier , Nicolas Dacheux , Stephanie Szenknect
R3C 2024, Jun 2024, Nîmes, France
Communication dans un congrès hal-04704999 v1

Etudes de phase d’intérêt pour le corium

Arthur Avallone , Christine Guéneau , Paul Estevenon , Nicolas Clavier , Stephanie Szenknect et al.
Atelier NEEDS – GDR SCINEE, Jul 2024, Marcoule, France
Communication dans un congrès hal-04706185 v1

Hydrothermal reducing conversion of uranium(VI) oxalate into oxides

Sofian Benarib , Maëva Munoz , Isabelle Kieffer , Jean-Louis F Hazemann , Nicolas Dacheux et al.
Atalante 2024, Sep 2024, Avignon, France
Communication dans un congrès hal-04705043 v1

Conversion hydrothermale de peroxydes d’U(VI) et de Pu(IV) en oxydes

Lucas Muller , Paul Estevenon , Christelle Tamain , Nicolas Dacheux , Nicolas Clavier
R3C 2024, Jun 2024, Nîmes, France
Communication dans un congrès hal-04704997 v1

Making the nuclear fuels for the future : new paths for actinide oxide synthesis

Nicolas Clavier , J. Manaud , Julien Martinez , Malvina Massonnet , Victor Trillaud et al.
Journée Jeunes Chercheurs & Chercheuses d’Avenir, Jul 2024, Montpellier, France
Communication dans un congrès hal-04705040 v1

Synthesis of uranium and plutonium oxides by peroxide precipitation and hydrothermal treatment

Lucas Muller , Paul Estevenon , Christelle Tamain , Nicolas Dacheux , Nicolas Clavier
Atalante 2024, Sep 2024, Avignon, France
Communication dans un congrès hal-04705011 v1

Synthesis of uranium and plutonium oxides by peroxide precipitation and hydrothermal treatment

Lucas Muller , Paul Estevenon , Christelle Tamain , Nicolas Dacheux , Nicolas Clavier
Plutonium Futures 2024, Sep 2024, Charleston, United States
Communication dans un congrès hal-04705012 v1

Defect chemistry, thermal oxidation and thermodynamics of metal-doped UO2

Xiaofeng Guo , J. Liu , S. Bang , Lorenzo Callejon , Romain Sicard et al.
Atalante 2024, Sep 2024, Avignon, France
Communication dans un congrès hal-04705009 v1

Hydrothermal synthesis of AnOx reference materials for nuclear safeguards

Nicolas Clavier , Maëlys Depernet , Wassima Zannouh , Marie Tronyo , Nicolas Dacheux et al.
3rd International Scientific Exchange Meeting on Particle Reference Materials, Jul 2024, Richland, United States
Communication dans un congrès hal-04705000 v1

Ceramics waste forms for the specific immobilization of radionuclides : from synthesis to long-term behavior

Nicolas Dacheux , Stephanie Szenknect , Renaud Podor , Nicolas Clavier
47th Scientific Basis for Nuclear Waste Management Symposium, Nov 2023, Cologne, Germany
Communication dans un congrès hal-04705039 v1

Particulate reference materials for nuclear safeguards : from hydrothermal synthesis to shelf-life study

Nicolas Clavier , Pierre Asplanato , Wassima Zannouh , Marie Tronyo , Anne-Laure Fauré et al.
2nd International Scientific Exchange Meeting on Particle Reference Materials, May 2023, Julich, Germany
Communication dans un congrès hal-04704589 v1

Fission products speciation in high burnup MOx fuel : fabricaiton and experimental characterization of Pu-bearing simulated fuel

Rafael Caprani , Philippe M. Martin , Damien Prieur , Julien Martinez , Florent Lebreton et al.
AcE workshop 2023, Mar 2023, Dresde, Germany
Communication dans un congrès hal-04704584 v1

An(IV) doped monazite-cheralite as potential matrices for the long-term conditioning of radionuclides

Alison Roche , Stephanie Szenknect , Joseph Lautru , Adel Mesbah , Nicolas Clavier et al.
Scientific Basis For Nuclear Waste Management 47, Nov 2023, Cologne, Germany
Communication dans un congrès hal-04704994 v1

Impact of the conditions of preparation of (U,Nd)O2+x solid solutions regarding their sintering capacities and chemical durability properties

Thomas Barral , Renaud Podor , Nicolas Clavier , Laurent Claparede , Nicolas Dacheux
Uranium Science conference 2023, Jul 2023, Manchester, United Kingdom
Communication dans un congrès hal-04704989 v1

Conversion of U(VI) and Pu(IV) by peroxide precipitation and hydrothermal treatment

Lucas Muller , Paul Estevenon , Christelle Tamain , Nicolas Dacheux , Nicolas Clavier
NFC3 2023, Nov 2023, Avignon (virtual conference), France
Communication dans un congrès hal-04704996 v1

Direct precipitation of An and Ln oxides using carboxylates hydrothermal conversion

Nicolas Clavier , Sofian Benarib , J. Manaud , Victor Trillaud , Pierre Asplanato et al.
Actinides 2023, Jun 2023, Golden, United States
Communication dans un congrès hal-04704986 v1

Synthesis and sintering of homogenous Hf1-xMIIIxO2-x/2 ceramics as solid electrolytes for oxygen sensors in liquid sodium

Claire Canas , Thomas Colombeau-Bedos , Nicolas Clavier , Laurent Brissonneau , Nicolas Dacheux
ECERS 2023, Jul 2023, Lyon, France
Communication dans un congrès hal-04704988 v1

Hydrothermal synthesis of (U,Th)Ox reference materials for nuclear safeguards

Nicolas Clavier , Pierre Asplanato , Wassima Zannouh , Nicolas Dacheux , Anne-Laure Fauré et al.
Scientific Basis For Nuclear Waste Management 47, Nov 2023, Cologne, Germany
Communication dans un congrès hal-04704992 v1

SEraMic – Une méthode semi-automatique de segmentation de grains

Renaud Podor , X. F Le Goff , J. Lautru , H.P. Brau , Nicolas Clavier
Matériaux, Oct 2022, Lille (FR), France
Communication dans un congrès hal-04706132 v1

Incorporation of Tetravalent Actinides in Monazite Structures

Alison Roche , Stephanie Szenknect , Adel Mesbah , Nicolas Clavier , Renaud Podor et al.
CIMTEC 2022, Jun 2022, Pérouse, Italy
Communication dans un congrès hal-04704559 v1

Fission products speciation in high burnup MOx fuel : fabrication and experimental characterization of Pu-bearing simulated fuel

Rafael Caprani , Philippe M. Martin , Damien Prieur , Julien Martinez , Florent Lebreton et al.
NUMAT 2022, Oct 2022, Gand, Belgium
Communication dans un congrès hal-04704580 v1

Particulate reference materials for nuclear safeguards : from hydrothermal synthesis to shelf-life study

Pierre Asplanato , Wassima Zannouh , Anne-Laure Fauré , Nicolas Dacheux , Fabien Pointurier et al.
MRS Fall Meeting 2022, Nov 2022, Boston, United States
Communication dans un congrès hal-04705037 v1

Fission products speciation in high burnup MOx fuel : fabrication and experimental characterization of Pu-bearing simulated fuel

Rafael Caprani , Philippe M. Martin , Damien Prieur , Julien Martinez , Florent Lebreton et al.
ATAS-AnXAS Joint Workshop, Oct 2022, Grenoble, France
Communication dans un congrès hal-04704579 v1

Manufacturing of (U,Pu)O2-x mixed oxides with high plutonium contents (≥ 60 mol.% Pu)

Marie-Margaux Desagulier , Philippe M. Martin , Julien Martinez , Christine Guéneau , Nicolas Clavier
Global 2022, Jul 2022, Reims, France
Communication dans un congrès hal-04704563 v1

Manufacturing of (U,Pu)O2-x mixed oxides with plutonium contents (> 60 mol.% Pu)

Marie-Margaux Desagulier , Philippe M. Martin , Julien Martinez , Christine Guéneau , Nicolas Clavier
NUMAT 2022, Oct 2022, Gand, Belgium
Communication dans un congrès hal-04704582 v1

Impact of lanthanide and PGM elements on the chemical durability and surface modifications during leaching tests of UO2 pellets mimicking interim repository

Laurent Claparede , Paul-Henri Imbert , Nicolas Clavier , Stephanie Szenknect , Nicolas Dacheux
MRS Fall Meeting 2022, Nov 2022, Boston, United States
Communication dans un congrès hal-04704583 v1

Manufacturing of (U,Pu)O2-x mixed oxides with plutonium contents (> 60 mol.% Pu)

Marie-Margaux Desagulier , Philippe M. Martin , Julien Martinez , Christine Guéneau , Nicolas Clavier
Plutonium Futures 2022, Sep 2022, Avignon, France
Communication dans un congrès hal-04704568 v1

Fission products speciation in high burnup MOx fuel : fabrication and experimental characterization of Pu-bearing simulated fuel

Rafael Caprani , Philippe M. Martin , Damien Prieur , Julien Martinez , Florent Lebreton et al.
Plutonium Futures 2022, Sep 2022, Avignon, France
Communication dans un congrès hal-04704565 v1

Synthesis of mixed uranium/thorium oxide microspheres under hydrothermal conditions as a reference material for nuclear safeguards

Pierre Asplanato , Anne-Laure Fauré , Fabien Pointurier , Nicolas Dacheux , Nicolas Clavier
2èmes Rencontres Rayonnement-Radiochimie, Aug 2022, Nice, France
Communication dans un congrès hal-04704573 v1

Impact of lanthanide and PGM elements on the chemical durability and surface modifications during leaching tests of FP doped UO2 pellets mimicking interim repository

Paul-Henri Imbert , Théo Montaigne , Laurent Claparede , Nicolas Clavier , Stephanie Szenknect et al.
31st Spent Fuel Workshop, Oct 2022, Barcelone, Spain
Communication dans un congrès hal-04704575 v1
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Elaboration of (U,Pu)O2-x mixed oxides with high plutonium contents : 60, 65 and 70 mol.% Pu

Marie-Margaux Desagulier , Romain Vauchy , Philippe M. Martin , Julien Martinez , Nicolas Clavier et al.
NuFuel 2021, Sep 2021, Bangor (virtual conference), United Kingdom
Communication dans un congrès hal-04703562 v1

Synthesis of uranium oxide microspheres under hydrothermal conditions as a reference material for nuclear safeguards

Pierre Asplanato , Anne-Laure Fauré , Fabien Pointurier , Nicolas Dacheux , Nicolas Clavier
Scientific Basis for Nuclear Waste Management 45, Oct 2021, Cologne (virtual conference), Germany
Communication dans un congrès hal-04704319 v1

Incorporation of thorium and uranium in the monazite structure by wet chemistry route: synthesis, sintering and long-term behavior

Nicolas Dacheux , Danwen Qin , Alison Roche , Adel Mesbah , Stephanie Szenknect et al.
MS&T 2021, Oct 2021, Colombus, United States
Communication dans un congrès hal-04703570 v1

Fabrication and characterization of FPs-doped U1-xPuyO2-x SIMfuel

Rafael Caprani , Camille-Marie Aloin , Patrice Signoret , Damien Prieur , Nicolas Clavier
NuFuel 2021, Sep 2021, Bangor (virtual conference), United Kingdom
Communication dans un congrès hal-04703544 v1

Dissolution of uranium-based dioxide in nitric acid: impact of fission products and microstructure

Nicolas Dacheux , Thomas Barral , Thibault Kaczmarek , Théo Cordara , Malvina Massonnet et al.
MS&T 2021, Oct 2021, Colombus, United States
Communication dans un congrès hal-04705033 v1

Impact of the method of preparation and sintering conditions on the dissolution of (U,Ce)O2±δ

Malvina Massonnet , Laurent Claparede , Julien Martinez , Philippe M. Martin , Nicolas Clavier et al.
NFC3 2021, May 2021, Avignon (virtual conference), France
Communication dans un congrès hal-04703532 v1

Structural changes of Nd- and Ce-doped ammonium diuranate during the conversion to U1-yLnyO2±x

Christian Schreinemachers , Gregory Leinders , Renaud Podor , Nicolas Clavier , Giuseppe Modolo et al.
NFC3 2021, May 2021, Avignon (virtual conference), France
Communication dans un congrès hal-04703538 v1

AnIV-based cheralites : from wet chemistry synthesis and sintering to long-term behavior

Nicolas Clavier , Danwen Qin , Alison Roche , Adel Mesbah , Stephanie Szenknect et al.
Scientific Basis for Nuclear Waste Management 45, Oct 2021, Cologne (virtual conference), Germany
Communication dans un congrès hal-04704303 v1

Synthesis of uranium oxide microspheres under hydrothermal conditions as a reference material for nuclear safeguards

Pierre Asplanato , Anne-Laure Fauré , Fabien Pointurier , Nicolas Dacheux , Nicolas Clavier
INMM & ESARDA joint meeting, Aug 2021, Vienne (virtual conference), Austria
Communication dans un congrès hal-04703540 v1

Impact of lanthanide and PGM elements on the chemical durability and surface modifications during leaching tests of UO2 pellets mimicking interim repository

Paul-Henri Imbert , Laurent Claparede , Nicolas Clavier , Stephanie Szenknect , Nicolas Dacheux
Scientific Basis for Nuclear Waste Management 45, Oct 2021, Cologne (virtual conference), Germany
Communication dans un congrès hal-04704306 v1

Hydrothermal conversion of uranium(IV)-cerium oxalates ito uranium-cerium mixed oxides

Sofian Benarib , Nicolas Dacheux , Nicolas Clavier
NuFuel 2021, Sep 2021, Bangor (virtual conference), United Kingdom
Communication dans un congrès hal-04703554 v1

Role of water and hydroxyl groups in the structures of stetindite and coffinite, MSiO4 (M = Ce, U)

Andrew Strzelecki , Thomas Barral , Paul Estevenon , Adel Mesbah , Vitaliy Goncharov et al.
Goldschmidt2021, European Association of Geochemistry, Jul 2021, Virtual conference, United States
Communication dans un congrès cea-04720127 v1
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Elaboration of (U,Pu)O2-x mixed oxides with high plutonium contents ( ≥ 60 mol.%)

M-M. Desagulier , P. M. Martin , J. Martinez , C. Guéneau , Nicolas Clavier
9ème édition des Journées Méditerranéennes des Jeunes Chercheur(e)s, Oct 2021, Montpellier, France
Communication dans un congrès cea-04743065 v1
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Elaboration of (U,Pu)O2-x mixed oxides with high plutonium contents ( ≥ 60 mol.% Pu)

P. M. Martin , J. Martinez , C. Gueneau , P. Signoret , G. Gabriel et al.
Nufuel 2021, Sep 2021, Bangor, United Kingdom
Communication dans un congrès cea-04743119 v1

Impact of sintering conditions on homogeneous (U,Ce)O2±δ properties

Malvina Massonnet , Laurent Claparede , Philippe M. Martin , Julien Martinez , Nicolas Clavier et al.
50èmes Journées des Actinides, Mar 2021, Rennes (virtual conference), France
Communication dans un congrès hal-04703048 v1

Study of the hydrothermal conversion of uranium(IV) oxalate into oxides

J. Manaud , Jérôme Maynadie , Adel Mesbah , Philippe M. Martin , Nicolas Dacheux et al.
NUMAT 2020, Oct 2020, Gand (virtual conference), Belgium
Communication dans un congrès hal-04703039 v1

In situ study of UO2+x sintering first step by high-temperature environmental scanning electron microscopy

Victor Trillaud , Renaud Podor , Nicolas Dacheux , Nicolas Clavier
NUMAT 2020, Oct 2020, Gand (Virtual Conference), Belgium
Communication dans un congrès hal-04703035 v1

Direct synthesis of morphology-controlled UO2+x through hydrothermal conversion of uranium(IV) carboxylates

J. Manaud , Victor Trillaud , Jérôme Maynadie , Adel Mesbah , Nicolas Dacheux et al.
PACRIM13, Oct 2019, Okinawa, Japan
Communication dans un congrès hal-04703027 v1

From Th-rhabdophane to monazite-cheralite solid solutions : synthesis and sintering of Nd1-2xThxCaxPO4, nH2O (x = 0-0.1)

Danwen Qin , Adel Mesbah , Nicolas Clavier , Stephanie Szenknect , Nicolas Dacheux
EMRS Spring Meeting 2019, May 2019, Nice, France
Communication dans un congrès hal-04702317 v1

Influence of the miscibility gap in the evolution of the microstructure in UO2-based fuel doped with Nd

Bernardo Alex Herrero-Bocco , F. Audubert , Yves Pontillon , Lionel Desgranges , Gianguido Baldinozzi et al.
2019 TMS Annual Meeting & Exhibition. Symposium: Ceramic Materials for Nuclear Energy Research and Applications, Mar 2019, San Antonio, United States
Communication dans un congrès hal-01930225 v1

Study of UO2 sintering first stage by in situ HT-ESEM

Victor Trillaud , Renaud Podor , Nicolas Dacheux , Nicolas Clavier
EMRS Spring Meeting 2019, May 2019, Nice (France), France
Communication dans un congrès hal-04700605 v1

Étude expérimentale in situ du premier stade du frittage de UO2 par MEBE à haute température

Victor Trillaud , Renaud Podor , Nicolas Dacheux , Nicolas Clavier
SEMPA 2019, Mar 2019, Limoges (France), France
Communication dans un congrès hal-04700599 v1

Voies humides originales pour la précipitation directe d'oxydes d’actinides et de lanthanides

Nicolas Clavier , J. Manaud , Victor Trillaud , Jérôme Maynadie , Adel Mesbah et al.
Journées plénières du GdR SCINee, Jan 2019, Lyon, France
Communication dans un congrès hal-04705026 v1

Multiparametric study of the hydrothermal conversion of uranium(IV) oxalate

J. Manaud , Jérôme Maynadie , Daniel Meyer , Adel Mesbah , Nicolas Dacheux et al.
EMRS Spring Meeting 2019, May 2019, Nice, France
Communication dans un congrès hal-04700827 v1

In situ high temperature electron microscopy observation of sintering first stage of MO2 (M = Ce, Th, U) microspheres

Nicolas Clavier , Victor Trillaud , Galy Ingrid Nkou Bouala , Jacques Léchelle , Nicolas Dacheux et al.
PACRIM13, Oct 2019, Okinawa, Japan
Communication dans un congrès hal-04702340 v1

Monazite as a wasteform for actinides : from synthesis to long-term behavior

Nicolas Dacheux , Danwen Qin , Clémence Gausse , Adel Mesbah , Nicolas Clavier et al.
MS&T 2019, Sep 2019, Portland, United States
Communication dans un congrès hal-04702326 v1

Phosphate-based matrices for the specific conditioning of actinides

Adel Mesbah , Danwen Qin , Mohamed Ruwaid Rafiuddin , Nicolas Clavier , Stephanie Szenknect et al.
PACRIM13, Oct 2019, Okinawa, Japan
Communication dans un congrès hal-04702350 v1

Modélisation phénoménologique de la décomposition thermique d’oxalates d’actinides

Lénaïc Desfougeres , Éléonore Welcomme , Maelig Ollivier , Loïc Favergeon , Nicolas Clavier
JECRRC 2018 - 1ères Journées d’Etude de la Chimie sous Rayonnement et de la Radiochimie, Cellule Congrès de l'Université de strasbourg; Réseau/Projet Initiative de Recherche Stratégique NanoTheRad; Subdivision « Chimie sous Rayonnement et Radiochimie » - CRRC; Institut Pluridisciplinaire Hubert Curien de Strasbourg - IPHC - UMR 7178 - CNRS/UDS; Institut National de Physique Nucléaire et de Physique des Particules - IN2P3 - CNRS, May 2018, Strasbourg, France
Communication dans un congrès hal-01885023 v1
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Des systèmes simplifiés aux combustibles modèles: étude in situ du frittage d'oxydes d'actinides et de lanthanides

V. Trillaud , Nicolas Clavier , Renaud Podor
18emes Journees Scientifiques de Marcoule (JSM - 2018), Jun 2018, Bagnols Sur Cèze, France
Communication dans un congrès cea-02338558 v1

Influence of yttria doped thoria microstructure on its compatibility with liquid sodium

Nicolas Clavier , L. Brissonneau , Y. Cherkaski , N. Dacheux
MRS Fall Meeting 2018, 2018, Boston, United States
Communication dans un congrès cea-02338614 v1
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Modélisation phénoménologique de la décomposition thermique d’oxalates d’actinides

Lénaïc Desfougeres , Éléonore Welcomme , Maelig Ollivier , Nicolas Clavier , Loïc Favergeon
49es journées de calorimétrie et d’analyse thermique - JCAT49, École des Mines Saint-Étienne; Association Française de Calorimétrie et d’Analyse Thermique (AFCAT), May 2018, Saint-Etienne, France
Communication dans un congrès hal-01822790 v1

Modelisation of the thermal decomposition of uranium oxalate

Lénaïc Desfougeres , Éléonore Welcomme , Maelig Ollivier , Nicolas Clavier , Loïc Favergeon
ESTAC12 - The 12th European Symposium on Thermal Analysis and Calorimetry, Aug 2018, Brasov, Romania. pp.180 - OP4.28
Communication dans un congrès hal-01881343 v1

Raman Scattering methods in extreme conditions

P. Simon , A. Canizares , E.S. Fotso Gueutue , M.-R. Ammar , G. Guimbretiere et al.
MRS Spring Meeting, Mar 2016, Phoenix, United States
Communication dans un congrès hal-01851911 v1
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Catalytic reductive dissolution of Pt/CeO$_2$ under mild conditions

Matthieu Virot , Tony Chave , D. Horlait , Nicolas Clavier , Nicolas Dacheux et al.
14th meeting of the European Society of Sonochemistry, Jun 2014, Avignon, France
Communication dans un congrès hal-04765254 v1
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Élaboration, frittage et caractérisation d'oxydes mixtes Th$_{1-x}$Y$_x$O$_{2-x/2}$ pour la réalisation de sondes électrochimiques pour l'oxygène

M. Gabard , J.-C. Prele , Nicolas Clavier , M.-C. Steil , L. Brissoneau et al.
Matériaux 2014, Nov 2014, Montpellier, France
Communication dans un congrès cea-02506801 v1

Crystal structures of Th(OH)PO_4, U(OH)PO_4 and Th_2 O(PO_4)_2. Condensation mechanism of M^IV (OH)PO_4 (M = Th, U) into M_2 O(PO_4)_2

N. Dacheux , Nicolas Clavier , G. Wallez , M. Quarton
1st International Symposium on Structure-Property Relationships in Solid State Materials, Jun 2006, Bordeaux, pp.619-627, ⟨10.1016/j.solidstatesciences.2007.04.015⟩
Communication dans un congrès istex in2p3-00185294 v1

Actinide solubility-controlling phases during the dissolution of phosphate ceramics

E. Du Fou de Kerdaniel , Nicolas Clavier , N. Dacheux , O. Terra , Renaud Podor
E-MRS 2006 : Symposium N, Sep 2006, Strasbourg, pp.451-458, ⟨10.1016/j.jnucmat.2007.01.132⟩
Communication dans un congrès istex in2p3-00259095 v1

Improvement of the preparation of sintered pellets of thorium phosphate-diphosphate and associated solid solutions from crystallized precursors

Nicolas Clavier , N. Dacheux , G. Wallez , M. Quarton
E-MRS 2005 Spring Meeting Symposium N on Nuclear Materials (including the 10th Inert Matrix Fuel Workshop), May 2005, Strasbourg, France. pp.209-216, ⟨10.1016/j.jnucmat.2006.02.056⟩
Communication dans un congrès istex in2p3-00087837 v1

Multi-colloidal sol-gel route for the preparation of nuclear fuel of mixed oxides

Hélène Barbier , Nicolas Clavier , X. F Le Goff , J. Lautru
ECIS - Conference of the European Colloid and Interface Society, Sep 2024, Copenhague, Denmark
Poster de conférence hal-04735316 v1

In-depth analysis of volatile fission products in high burnup SFR fuel using a (U,Pu)O2 SIMMOX approach

Matthias Roucayrol , Philippe M. Martin , Julien Martinez , Damien Prieur , F. Audubert et al.
R3C 2024, Jun 2024, Nîmes, France
Poster de conférence hal-04706072 v1

Colloidal sol-gel route for the preparation of mixed oxide fuels

Hélène Barbier , Nicolas Clavier , D. Rebiscoul , J. Lautru , X. F Le Goff
ATALANTE 2024, Sep 2024, Avignon, France
Poster de conférence hal-04732020 v1

In-Depth Analysis of Volatile Fission Products in High Burnup SFR Fuel Using a (U,Pu)O2 SIMMOx Approach

Matthias Roucayrol , Philippe M. Martin , Julien Martinez , Damien Prieur , F. Audubert et al.
Atalante 2024, Sep 2024, Avignon, France
Poster de conférence hal-04706100 v1

Colloidal sol-gel route for the preparation of mixed oxide fuels

Hélène Barbier , Nicolas Clavier , Xavier F Le Goff , Joseph Lautru , Diane Rebiscoul
R3C 2024, Jun 2024, Nîmes, France
Poster de conférence hal-04706079 v1

Colloidal sol-gel route for the preparation of mixed oxide fuels

Hélène Barbier , Nicolas Clavier , D. Rebiscoul , J. Lautru , X. F Le Goff
3èmes Rencontres Rayonnement Radio-Chimie (R3C), Jun 2024, Nimes, France
Poster de conférence hal-04732009 v1

Preparation of (U,Pu)O2 Mixed Oxides By Hydroxide Route

Fatima Chmali , Paul Estevenon , Julien Martinez , Philippe M. Martin , Nicolas Clavier
Atalante 2024, Sep 2024, Avignon, France
Poster de conférence hal-04706095 v1

Preparation of Mixed Actinide Oxides by Colloidal Sol-Gel Route

Hélène Barbier , Nicolas Clavier , Xavier F Le Goff , Joseph Lautru , Diane Rebiscoul
Atalante 2024, Sep 2024, Avignon, France
Poster de conférence hal-04706086 v1

Characterization of colloidal solutions used for the preparation of Mixed Oxide fuels

Hélène Barbier , Nicolas Clavier , D. Rebiscoul
Balard Chemistry Conferences : Materials for health, energy and environment, Jun 2023, Montpellier, France
Poster de conférence hal-04731976 v1
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Understanding the evolution of an interface during the dissolution of Nd-doped UO2 by macro-/microscopic dual approach

Thomas Barral , Laurent Claparede , Renaud Podor , Nicolas Clavier , Nicolas Dacheux
Plutonium Futures – The Science, Sep 2022, Avignon, France
Poster de conférence cea-04720205 v1

Une nouvelle voie de synthèse pour les céramiques d’oxyde d’hafnium dopées

Laurent Brissonneau , Thomas Colombeau-Bedos , Ayoub Zeghad , Nicolas Clavier , Nicolas Dacheux
Matériaux 2022, Oct 2022, Lille, France
Poster de conférence hal-04706040 v1

Synchrotron study of the relations between sintering conditions, structure and cation speciation in (U,Ce)O2+δ ceramics

Malvina Massonnet , Laurent Claparede , Julien Martinez , Philippe M. Martin , Myrtille Hunault et al.
NUMAT 2022, Oct 2022, Gand, Belgium
Poster de conférence hal-04706034 v1
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Innovation in fission products behaviour studies: synthesis and characterization of U1-yPuyO2+x SIMfuel

Rafael Caprani , Philippe M. Martin , Julien Martinez , Damien Prieur , Méghan Alibert et al.
Global 2022 - International Conference on Nuclear Fuel Cycle : nNew nuclear perspectives in the energy supply crisis and climate emergency, Jul 2022, Reims, France.
Poster de conférence hal-04706018 v1

A novel approach to processing of doped hafnia ceramics

Thomas Colombeau-Bedos , Nicolas Clavier , Nicolas Dacheux , Laurent Brissonneau
ECERS 2022, Jul 2022, Cracovie, Poland
Poster de conférence hal-04706024 v1

Hydrothermal conversion of uranium(IV)-cerium(III) oxalates into mixed oxides

Sofian Benarib , Nicolas Dacheux , Nicolas Clavier
Plutonium Futures 2022, Sep 2022, Avignon, France
Poster de conférence hal-04706028 v1

Synthesis and sintering of homogenous Hf1-xMIIIxO2-x/2 ceramics as solid electrolytes for oxygen sensors operating in liquid sodium

Thomas Colombeau-Bedos , Nicolas Clavier , Ayoub Zeghad , Nicolas Dacheux , Laurent Brissonneau
NUMAT 2022, Oct 2022, Gand, Belgium
Poster de conférence hal-04706037 v1

Hydrothermal conversion of uranium(IV)-cerium(III) oxalates into mixed oxides

Sofian Benarib , Nicolas Dacheux , Nicolas Clavier
NUMAT 2022, Oct 2022, Gand, Belgium
Poster de conférence hal-04706029 v1

Manufacturing of (U,Pu)O2-x mixed oxides with high plutonium contents (> 60 mol.% Pu)

Marie-Margaux Desagulier , Philippe M. Martin , Julien Martinez , Christine Guéneau , Patrice Signoret et al.
9èmes Journées Méditeranéennes des Jeunes Chercheurs, Oct 2021, Montpellier, France
Poster de conférence hal-04706014 v1

Influence of the miscibility gap in the evolution of the microstructure in UO2-based fuel doped with Nd

Bernardo Herrero , F. Audubert , Lionel Desgranges , Yves Pontillon , Gianguido Baldinozzi et al.
Matériaux 2018. Colloque 14 – Matériaux en environnements extrêmes, Nov 2018, Strasbourg, France
Poster de conférence hal-01933127 v1
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Modélisation phénoménologique de la décomposition thermique d’oxalates d’actinides

Lénaïc Desfougeres , Éléonore Welcomme , Maelig Ollivier , Nicolas Clavier , Loic Favergeon
Journée scientifique du Codegepra 2017, Nov 2017, Le Bourget du Lac, France.
Poster de conférence hal-01685685 v1
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catalytic and reductive dissolution of CeO$_2$ and (Ce,Ln)O$_2$ in mild conditions

Xavier Beaudoux , Matthieu Virot , Tony Chave , Gilles Leturcq , Nicolas Clavier et al.
ICFE 2015 - International Congress on F Elements, Sep 2015, Oxford, United Kingdom
Poster de conférence hal-04765230 v1

First Stage of Sintering of ThO 2 Microspheres: a HT-ESEM and HT-HRTEM Study

Victor Trillaud , Galy Nkou Bouala , Nicolas Clavier , Nicolas Dacheux , Christian Ricolleau et al.
CISCEM 2018 - 4th Conference on In-Situ and Correlative Electron Microscopy, Microscopy and Microanalysis, 25 (S1), pp.49-50, 2019, ⟨10.1017/S1431927618015970⟩
Proceedings/Recueil des communications hal-04706349 v1