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Thomas Dumas

Chef du Laboratoire d'étude de la radiolyse et des interactions ligand actinides.
121
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Presentation

Publications

Molecular and Supramolecular Study of Uranium/Plutonium Liquid–Liquid Extraction with N , N -Dialkylamides

David Lemire , Thomas Dumas , Dominique Guillaumont , Pier Lorenzo Solari , Denis Menut
Inorganic Chemistry, 2024, 63 (40), pp.18809-18819. ⟨10.1021/acs.inorgchem.4c02880⟩
Journal articles hal-04721661v1
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Chronicles of plutonium peroxides: spectroscopic characterization of a new peroxo compound of Pu( iv )

Julien Margate , Simon Bayle , Thomas Dumas , Elodie Dalodière , Christelle Tamain
Chemical Communications, 2024, 60 (49), pp.6260-6263. ⟨10.1039/D4CC01186D⟩
Journal articles hal-04705508v1

Investigation of the Plutonium(IV) Interactions with Two Variants of the EF-Hand Ca-Binding Site I of Calmodulin

Loïc Daronnat , Vanessa Holfeltz , Nathalie Boubals , Thomas Dumas , Philippe Guilbaud
Inorganic Chemistry, 2023, ⟨10.1021/acs.inorgchem.3c00845⟩
Journal articles hal-04102795v1
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Micrometric drilling of (meta-)studtite square platelets formed by pseudomorphic conversion of UO2 under high-frequency ultrasound

Julien Margate , Matthieu Virot , Thomas Dumas , Christophe Jégou , Tony Chave
Journal of Hazardous Materials, 2023, 459, pp.132059. ⟨10.1016/j.jhazmat.2023.132059⟩
Journal articles hal-04721687v1

From Molecular Oxo-Hydroxo Ce Clusters to Crystalline CeO 2

Paul Estevenon , Lucia Amidani , Stephen Bauters , Christelle Tamain , Michael Bodensteiner
Chemistry of Materials, 2023, 35 (4), pp.1723-1734. ⟨10.1021/acs.chemmater.2c03456⟩
Journal articles hal-04721698v1

Oxygen K-Edge X-ray Absorption Spectra of ThO 2 and CeO 2 : Experiment, Interpretation, and Structural Effects

Lucia Amidani , Thomas Dumas , David Shuh , Sergei Butorin , Christoph Sahle
Journal of Physical Chemistry C, 2023, 127 (6), pp.3077-3084. ⟨10.1021/acs.jpcc.2c07771⟩
Journal articles hal-04721695v1
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Enhancing uranium extraction efficiency using protonated amines and quaternary ammoniums-based ionic liquids: mechanistic insights and nonlinearities analysis

Elise Guerinoni , Sandrine Dourdain , Thomas Dumas , Guilhem Arrachart , Fabrice Giusti
Separations, 2023, 10, pp.509. ⟨10.3390/separations10090509⟩
Journal articles hal-04224208v1
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Ultrasonically controlled synthesis of UO$_{2+x}$ colloidal nanoparticles

Manon Cot-Auriol , Matthieu Virot , Thomas Dumas , Olivier Diat , Xavier Le Goff
Dalton Transactions, 2023, 52 (7), pp.2135-2144. ⟨10.1039/d2dt03721a⟩
Journal articles hal-04721690v1
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Stereo‐ and regiochemical effect of N,N ‐dialkylamide extractants on the speciation of Pu complexes

David Lemire , Thomas Dumas , Cécile Marie , Fabrice Giusti , Guilhem Arrachart
European Journal of Inorganic Chemistry, 2023, 26 (32), pp.e202300461. ⟨10.1002/ejic.202300461⟩
Journal articles hal-04224206v1
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First observation of [Pu6(OH)4O4 ]12+ cluster during the hydrolytic formation of PuO2 nanoparticles using H/D kinetic isotope effect

Manon Cot-Auriol , Matthieu Virot , Thomas Dumas , Olivier Diat , Denis Menut
Chemical Communications, 2022, 58 (94), pp.13147-13150. ⟨10.1039/D2CC04990B⟩
Journal articles hal-03916056v1
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The effects of amidophosphonate ligand immobilization method on the uranium extraction efficiency of functionalized silica

Aline Dressler , Tom Le Nedelec , Antoine Leydier , Frederic Cuer , Thomas Dumas
Chemical Engineering Journal Advances, 2022, 9, pp.100225. ⟨10.1016/j.ceja.2021.100225⟩
Journal articles hal-04721752v1
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X-ray absorption spectroscopy and actinide electrochemistry: a setup dedicated to radioactive samples applied to neptunium chemistry

Richard Husar , Thomas Dumas , Michel L Schlegel , Daniel Schlegel , Dominique Guillaumont
Journal of Synchrotron Radiation, 2022, 29 (1), pp.1-10. ⟨10.1107/s1600577521011115⟩
Journal articles hal-04721738v1
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Size and structure of hexanuclear plutonium oxo-hydroxo clusters in aqueous solution from synchrotron analysis

Thomas Dumas , Matthieu Virot , Denis Menut , Christelle Tamain , Cyril Micheau
Journal of Synchrotron Radiation, 2022, 29 (1), pp.30. ⟨10.1107/S1600577521012005⟩
Journal articles cea-03630418v1
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Synthesis and multi-scale properties of PuO2 nanoparticles: recent advances and open questions

Matthieu Virot , Thomas Dumas , Manon Cot-Auriol , Philippe Moisy , Sergey I Nikitenko
Nanoscale Advances, 2022, 4 (23), pp.4938-4971. ⟨10.1039/D2NA00306F⟩
Journal articles hal-03916052v1

Characterization of a Hexanuclear Plutonium(IV) Nanostructure in an Acetate Solution via Visible–Near Infrared Absorption Spectroscopy, Extended X-ray Absorption Fine Structure Spectroscopy, and Density Functional Theory

Geoffroy Chupin , Christelle Tamain , Thomas Dumas , Pier Lorenzo Solari , Philippe Moisy
Inorganic Chemistry, 2022, 61 (12), pp.4806-4817. ⟨10.1021/acs.inorgchem.1c02876⟩
Journal articles hal-04714987v1
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Contribution of molecular dynamics in pNMR for the structural determination of AnV and AnVI complexes in solution

Clovis Poulin-Ponnelle , Magali Duvail , Thomas Dumas , Claude Berthon
Inorganic Chemistry, 2022, 61 (40), pp.15895-15909. ⟨10.1021/acs.inorgchem.2c02040⟩
Journal articles hal-03790213v1

Correction: Formation of plutonium( iv ) silicate species in very alkaline reactive media

Paul Estevenon , Thomas Dumas , Pier Lorenzo Solari , Eleonore Welcomme , Stephanie Szenknect
Dalton Transactions, 2022, 51 (17), pp.6976-6977. ⟨10.1039/d2dt90053j⟩
Journal articles hal-04721760v1

A 70‐Year‐Old Mystery in Technetium Chemistry Explained by the New Technetium Polyoxometalate [H 7 O 3 ] 4 [Tc 20 O 68 ] ⋅ 4H 2 O

Konstantin German , Alexander Fedoseev , Mikhail Grigoriev , Gayane Kirakosyan , Thomas Dumas
Chemistry - A European Journal, 2021, 27 (54), pp.13624-13631. ⟨10.1002/chem.202102035⟩
Journal articles hal-04721787v1
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Les actinides leur interaction avec les processus biologiques: où en sommes-nous?

Claude Alban , Jean Aupiais , Maria Rosa Beccia , C. Berthomieu , Damien Bourgeois
L'Actualité Chimique, 2021, 460-461, pp.68-75
Journal articles hal-03188160v1

Ultrasonically assisted conversion of uranium trioxide into uranium( vi ) intrinsic colloids

Manon Cot-Auriol , Matthieu Virot , Cyril Micheau , Thomas Dumas , X. F Le Goff
Dalton Transactions, 2021, 50 (33), pp.11498-11511. ⟨10.1039/D1DT01609A⟩
Journal articles hal-03340169v1
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Formation of plutonium( iv ) silicate species in very alkaline reactive media

Paul Estevenon , Thomas Dumas , Pier Lorenzo Solari , Eleonore Welcomme , Stephanie Szenknect
Dalton Transactions, 2021, 50 (36), pp.12528-12536. ⟨10.1039/D1DT02248B⟩
Journal articles hal-03385996v1

Evidence of Supramolecular Origin of Selectivity in Solvent Extraction of Bifunctional Amidophosphonate Extractants with Different Configurations

Alexandre Artese , Sandrine Dourdain , Nathalie Boubals , Thomas Dumas , Pier Lorenzo Solari
Solvent Extraction and Ion Exchange, 2021, pp.1-23. ⟨10.1080/07366299.2021.1961433⟩
Journal articles hal-03451817v1

Evidence of Supramolecular Origin of Selectivity in Solvent Extraction of Bifunctional Amidophosphonate Extractants with Different Configurations

Alexandre Artese , Sandrine Dourdain , Nathalie Boubals , Thomas Dumas , Pier Lorenzo Solari
Solvent Extraction and Ion Exchange, 2021, 40 (4), pp.431-453. ⟨10.1080/07366299.2021.1961433⟩
Journal articles hal-04721708v1

Des complexes moléculaires aux polymères de coordination d’actinides : de la brique à la charpente, un véritable travail d’architecte

Christelle Tamain , Thomas Dumas , Christophe Volkringer , Thierry Loiseau
L'Actualité Chimique, 2021, pp.460
Journal articles cea-04438001v1
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Relevance of formation conditions to the size, morphology and local structure of intrinsic plutonium colloids

Cyril Micheau , Matthieu Virot , Sandrine Dourdain , Thomas Dumas , Denis Menut
Environmental science‎.Nano, 2020, 7 (8), pp.2252 - 2266. ⟨10.1039/d0en00457j⟩
Journal articles hal-03031914v1

Coordination Structures of Uranium(VI) and Plutonium(IV) in Organic Solutions with Amide Derivatives

Clemence Berger , Cecile Marie , Dominique Guillaumont , Christelle Tamain , Thomas Dumas
Inorganic Chemistry, 2020, 59 (3), pp.1823-1834. ⟨10.1021/ACS.INORGCHEM.9B03024⟩
Journal articles cea-02527934v1

Role of the Hydroxo Group in the Coordination of Citric Acid to Trivalent Americium

Christelle Tamain , Laura Bonato , Jean Aupiais , Thomas Dumas , Dominique Guillaumont
European Journal of Inorganic Chemistry, 2020, 2020 (14), pp.1331-1344. ⟨10.1002/ejic.202000124⟩
Journal articles hal-02558018v1
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Probing the local structure of nanoscale actinide oxides: a comparison between PuO 2 and ThO 2 nanoparticles rules out PuO 2+x hypothesis

Laura Bonato , Matthieu Virot , Thomas Dumas , Adel Mesbah , Elodie Dalodière
Nanoscale Advances, 2020, 2 (1), pp.214-224. ⟨10.1039/c9na00662a⟩
Journal articles hal-02459293v1

UO$_2$$^{2+}$ structure in solvent extraction phases resolved at molecular and supramolecular scales: a combined molecular dynamics, EXAFS and SWAXS approach

Magali Duvail , Thomas Dumas , Amaury Paquet , Amaury Coste , Laurence Berthon
Physical Chemistry Chemical Physics, 2019, 21 (15), pp.7894-7906. ⟨10.1039/C8CP07230B⟩
Journal articles hal-02109047v1
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Probing the local structure of nanoscaled actinide oxides: A comparison between PuO$_2$ and ThO$_2$ nanoparticles rules out PuO$_{2+x}$ hypothesis

Laura Bonato , Matthieu Virot , Thomas Dumas , Adel Mesbah , Elodie Dalodiere
Nanoscale Advances, 2019, pp.214-224. ⟨10.1039/C9NA00662A⟩
Journal articles cea-03923002v1
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Insight of the metal-ligand interaction in f elements complexes by paramagnetic NMR spectroscopy

M. Autillo , L. Guerin , T. Dumas , M. S. Grigoriev , A. M. Fedoseev
Chemistry - A European Journal, 2019, 25 (17), pp.4435 -4451. ⟨10.1002/chem.201805858⟩
Journal articles cea-02339876v1
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Deciphering the Crystal Structure of a Scarce 1D Polymeric Thorium Peroxo Sulfate

Laura Bonato , Matthieu Virot , Thomas Dumas , Adel Mesbah , Pierre Lecante
Chemistry - A European Journal, 2019, 25 (41), pp.9580-9585. ⟨10.1002/chem.201984163⟩
Journal articles hal-02921757v1
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Probing the existence of uranyl trisulfate structures in the AMEX solvent extraction process

Tamir Sukhbaatar , Magali Duvail , Thomas Dumas , Sandrine Dourdain , Guilhem Arrachart
Chemical Communications, 2019, 55, pp.7583-7586. ⟨10.1039/c9cc02651g⟩
Journal articles hal-02161600v1

Ruthenium Nitrosyl Structure in Solvent Extraction Systems: A Comparison of Tributyl Phosphate, Tetrabutyl Urea, N -Methyl, N -Octyl Ethylhexanamide, and N , N , N ′, N ′-Tetraoctyl Diglycolamide

Thomas Dirks , Thomas Dumas , Pier Lorenzo Solari , Marie-Christine Charbonnel
Industrial and engineering chemistry research, 2019, 58 (32), pp.14938-14946. ⟨10.1021/acs.iecr.9b02555⟩
Journal articles hal-04765580v1
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Formation of CeSiO 4 from cerium( iii ) silicate precursors

Paul Estevenon , Thibault Kaczmarek , Fabien Vadot , Thomas Dumas , Pier Lorenzo Solari
Dalton Transactions, 2019, 48 (28), pp.10455-10463. ⟨10.1039/C9DT01990A⟩
Journal articles hal-02360056v1
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Experimental Speciation of Plutonium(IV) in Natural Seawater

Thomas Dumas , Mireille Guigue , Philippe Moisy , Roberto Colina-Ruiz , Jose Mustre de Leon
ChemistrySelect, 2018, 3 (7), pp.2021-2024
Journal articles hal-03596685v1

Structural and magnetic susceptibility characterization of Pu( v ) aqua ion using sonochemistry as a facile synthesis method

Elodie Dalodière , Matthieu Virot , Thomas Dumas , Dominique Guillaumont , Marie-Claire Illy
Inorganic Chemistry Frontiers, 2018, 5 (1), pp.100-111. ⟨10.1039/C7QI00389G⟩
Journal articles hal-02075385v1
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The electronic structure of f-element Prussian blue analogs determined by soft X-ray absorption spectroscopy

Thomas Dumas , Dominique Guillaumont , Philippe Moisy , David Shuh , Tolek Tyliszczak
Chemical Communications, 2018, 54 (86), pp.12206-12209. ⟨10.1039/c8cc05176c⟩
Journal articles cea-02983237v1

Coordination of Tetravalent Actinides (An=Th IV , U IV , Np IV , Pu IV ) with DOTA: From Dimers to Hexamers

Christelle Tamain , Christoph Hennig , Philippe Guilbaud , Thomas Dumas
Chemistry - A European Journal, 2017, 23 (28), pp.6864-6875. ⟨10.1002/chem.201700493⟩
Journal articles cea-04695901v1
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Insights into the sonochemical synthesis and properties of salt-free intrinsic plutonium colloids

Elodie Dalodière , Matthieu Virot , Vincent Morosini , Tony Chave , Thomas Dumas
Scientific Reports, 2017, 7, pp.43514. ⟨10.1038/srep43514⟩
Journal articles hal-02075390v1

Reporting actinide(IV) hexanuclear cluster structure, formation mechanism and physico-chemical properties, the [An6(OH)4(O)4(H2O)8]12+ (An = U(IV), Np(IV), Pu(IV)) case

C. Tamain , T. Dumas , C. Hennig
Chemistry - A European Journal, 2017
Journal articles cea-02421892v1

Inner to outer-sphere coordination of plutonium( iv ) with N,N-dialkyl amide: influence of nitric acid

Eléonor Acher , Thomas Dumas , Christelle Tamain , Nathalie Boubals , Pier Lorenzo Solari
Dalton Transactions, 2017, 46 (12), pp.3812-3815. ⟨10.1039/C7DT00031F⟩
Journal articles cea-02528009v1
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Structural characterization of Am(III) and Pu(III)-DOTA complexes

M. Audras , L. Berthon , C. Berthon , D. Guillaumont , T. Dumas
Inorganic Chemistry, 2017, 56 (20), pp.12248-12259. ⟨10.1021/acs.inorgchem.7b01666⟩
Journal articles cea-02421730v1

Complexation of Actinide(III) and Lanthanide(III) with H 4 TPAEN for a Separation of Americium from Curium and Lanthanides

Nathalie Boubals , Christoph Wagner , Thomas Dumas , Léa Chanèac , Gabriel Manie
Inorganic Chemistry, 2017, 56 (14), pp.7861-7869. ⟨10.1021/ACS.INORGCHEM.7B00603⟩
Journal articles cea-02528025v1

Addressing Ruthenium Speciation in Tri- n -butyl-phosphate Solvent Extraction Process by Fourier Transform Infrared, Extended X-ray Absorption Fine Structure, and Single Crystal X-ray Diffraction

Claire Lefebvre , Thomas Dumas , Christelle Tamain , Tracy Ducres , Pier Lorenzo Solari
Industrial and engineering chemistry research, 2017, 56 (39), pp.11292-11301. ⟨10.1021/acs.iecr.7b02973⟩
Journal articles hal-04748160v1
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Structures of Plutonium(IV) and Uranium(VI) with N,N-Dialkyl Amides from Crystallography, X-ray Absorption Spectra and Theoretical Calculations

Eléonor Acher , Yanis Hacene Cherkaski , Thomas Dumas , Christelle Tamain , Dominique Guillaumont
Inorganic Chemistry, 2016, 55 (11), pp.5558-5569. ⟨10.1021/acs.inorgchem.6b00592⟩
Journal articles cea-02389660v1

First Evidence of a Water-Soluble Plutonium(IV) Hexanuclear Cluster

Christelle Tamain , Thomas Dumas , Dominique Guillaumont , Christoph Hennig , Philippe Guilbaud
European Journal of Inorganic Chemistry, 2016, 2016 (22), pp.3536-3540. ⟨10.1002/ejic.201600656⟩
Journal articles hal-03032757v1

Modeling and Speciation Study of Uranium(VI) and Technetium(VII) Coextraction with DEHiBA

Pauline Moeyaert , Thomas Dumas , Dominique Guillaumont , Kristina Kvashnina , Christian Sorel
Inorganic Chemistry, 2016, 55 (13), pp.6511-6519. ⟨10.1021/acs.inorgchem.6b00595⟩
Journal articles hal-02000078v1

Local Structure in Americium and Californium Hexacyanoferrates - Comparison with Their Lanthanide Analogues

G. Dupouy , I. Bonhoure , S. D. Conradson , T. Dumas , C. Hennig
European Journal of Inorganic Chemistry, 2011, pp.1560-1569. ⟨10.1002/ejic.201001004⟩
Journal articles in2p3-00587937v1

Molecular solids of actinide hexacyanoferrate: Structure and bonding

G. Dupouy , T. Dumas , C. Fillaux , D. Guillaumont , P. Moisy
IOP Conference Series: Materials Science and Engineering, 2010, 9, pp.012026. ⟨10.1088/1757-899X/9/1/012026⟩
Journal articles cea-02473920v1
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The contribution of ultrasound to the synthesis of colloidal uranium oxide nanoparticles

Matthieu Virot , Manon Cot-Auriol , Thomas Dumas , Philippe Moisy , Sergey I. Nikitenko
18th Meeting of the European Society of Sonochemistry, May 2024, Louvain, Belgium
Conference papers hal-04764748v1
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Préparation et caractérisation structurale d'un nouveau peroxyde de Pu(IV)

Julien Margate , Matthieu Virot , Simon Bayle , Denis Menut , Thomas Dumas
3èmes rencontres rayonnement radiochimie R3C, Jun 2024, Nîmes, France
Conference papers hal-04766147v1
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Chronicles of peroxide plutonium species: structural characterization of new Pu(IV) green peroxide

Julien Margate , Matthieu Virot , Simon Bayle , Denis Menut , Thomas Dumas
ATALANTE 2024 – Nuclear Chemistry for Sustainable Fuel Cycles, Sep 2024, Avignon, France
Conference papers hal-04766140v1
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Ultrasonically assisted conversion of colloidal PuO2 nanoparticles into an unexpected intermediate plutonium species

Julien Margate , Matthieu Virot , Thomas Dumas , Laura Bonato , Sergey I. Nikitenko
18th meeting of the european society of sonochemistry, May 2024, Leuven (Belgique), Belgium
Conference papers hal-04766094v1
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Preparation and structural characterization of an original peroxide complex of Pu(IV)

Julien Margate , Simon Bayle , Thomas Dumas , Christelle Tamain , Denis Menut
JDA 2024 - 53rd Journées des Actinides international conference, Apr 2024, Lille, France
Conference papers hal-04764765v1

Propeline: a green alternative to Ethaline for electrochemical recovery of precious metals

Calogera Bertoloni , Vitalys Mba Ekomo , S. Michel , Emmanuel Billy , Hakima Mendil‐jakani
COIL 9, Apr 2023, Lyon, France
Conference papers hal-04161395v1
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Plutonium peroxide compound from a New Water-Soluble peroxo complexe of plutonium(IV)

Julien Margate , Matthieu Virot , Thomas Dumas , E. Dalodiere , Christelle Tamain
NFC3 - 2023 Nuclear Fuel Cycle: A Chemistry Conference, Nov 2023, Virtual event, France
Conference papers hal-04766168v1
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Evidences about the contribution of Pu(IV) oxo-hydroxo cluster [Pu 6 (OH)$_4$O$_4$]$^{12+}$ during the formation of Pu(IV) intrinsic colloids

Matthieu Virot , Manon Cot-Auriol , Thomas Dumas , Denis Menut , Olivier Diat
MIGRATION 2023 - 18th international conference on the chemistry and migration behaviour of actinides and fission products in the geosphere, Sep 2023, Nantes, France
Conference papers hal-04764788v1

Formation of PuSiO4: lessons coming from chemical analogues

Nicolas Dacheux , Paul Estevenon , Thomas Dumas , Pier Lorenzo Solari , Éléonore Welcomme
AcE-Methods workshop, Mar 2023, Dresde, Germany
Conference papers hal-04705038v1
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Recent advances about the multi-scale structural properties and formation mechanism of plutonium oxide nanoparticles in aqueous solution

Matthieu Virot , Thomas Dumas , Philippe Moisy , Sergey I. Nikitenko
Congrès SCF 2023, Jun 2023, Nantes, France
Conference papers hal-04765404v1
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Comportement de nanoparticules de PuO2 sous irradiation ultrasonore en solution aqueuse

Julien Margate , Matthieu Virot , Thomas Dumas , Laura Bonato , Sergey I. Nikitenko
Journées Sonochimie Ultrasons et Procédés - 6ème édition, Oct 2023, Lyon, France
Conference papers hal-04766178v1

Propeline : a new candidate for precious metal recovery 3rd International Meeting on Deep Eutectic Systems, Lisbonne, 19-22 juin 2023

Calogera Bertoloni , Vitalys Mba Ekomo , Stéphanie Michel , Emmanuel Billy , Hakima Mendil‐jakani
3rd International Meeting on Deep Eutectic Systems, Jun 2023, Lisbonne, Portugal
Conference papers hal-04161295v1
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Uranyl peroxide pseudomorphs formed under ultrasound-irradiation of UO$_2$ powder in aqueous solution

Julien Margate , Matthieu Virot , Manon Cot-Auriol , Thomas Dumas , Sergey I. Nikitenko
Actinides 2023, Jun 2023, Golden, United States
Conference papers hal-04766160v1

Apport des ultrasons de puissance pour la préparation de nanoparticules colloïdales de UO2+x

Manon Cot Auriol , Matthieu Virot , Thomas Dumas , Philippe Moisy , Sergey I. Nikitenko
R3C, Aug 2022, Nice, France
Conference papers cea-03779850v1

Isotopic effect on the formation kinetics of Pu(IV) intrinsic colloids

Manon Cot Auriol , Matthieu Virot , Thomas Dumas , Olivier Diat , Denis Menut
Plutonium Futures 2022, Sep 2022, Avignon, France
Conference papers cea-03779851v1

Effet isotopique cinétique et formation de nanoparticules colloïdales de PuO2

Manon Cot Auriol , Matthieu Virot , Thomas Dumas , Olivier Diat , Denis Menut
R3C, Aug 2022, Nice, France
Conference papers cea-03779849v1

Sonochemical conversion of UO3 into U(VI) intrinsic colloids in near-neutral conditions

Manon Cot Auriol , Matthieu Virot , Cyril Micheau , Thomas Dumas , X. F Le Goff
Nuclear Fuel Cycle: A Chemistry Conference (NFC3), May 2021, on-line, France
Conference papers cea-03784777v1

Size vs. Local Structure Relationship for ThO2 and PuO2 Nanoparticles

Matthieu Virot , Laura Bonato , Thomas Dumas , Adel Mesbah , Elodie Dalodiere
UDM3 - Physics and Chemistry of Actinides seen by X-rays, Feb 2021, Grenoble, France
Conference papers cea-03923001v1
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Multi-scale structural characterization of Pu(IV) intrinsic colloids by synchrotron SAXS coupled with XAS

Matthieu Virot , Cyril Micheau , Sandrine Dourdain , Thomas Dumas , Denis Menut
JDA 2021 - 50èmes Journées des Actinides and the 13th School on The Physics and Chemistry of the Actinides, Mar 2021, Rennes, France
Conference papers hal-04764810v1

Preparation of uranium(VI) and uranium(IV) colloidal nanoparticles by 20 kHz sonication in pure water

Manon Cot Auriol , Matthieu Virot , Cyril Micheau , Thomas Dumas , X. F Le Goff
ESS-JSS-AOSS, Nov 2021, En ligne, France
Conference papers cea-03779852v1

Formation and characterization of PuSiO4 and associated colloids

Nicolas Dacheux , Paul Estevenon , Thomas Dumas , Pier Lorenzo Solari , Éléonore Welcomme
Scientific Basis for Nuclear Waste Management 45, Oct 2021, Cologne (virtual conference), Germany
Conference papers hal-04704327v1

Préparation de colloïdes intrinsèques d'U(VI) par sonolyse à 20 kHz d'UO3 dans l'eau pure

Manon Cot Auriol , Matthieu Virot , Cyril Micheau , Thomas Dumas , X. F Le Goff
Journées Scientifiques Ultrasons et Procédés, Jul 2021, Lille, France
Conference papers cea-03784772v1

Preparation of uranium(VI) intrinsic colloids by 20 kHz sonication of uranium trioxide in pure water

Manon Cot Auriol , Matthieu Virot , Cyril Micheau , Thomas Dumas , X. F Le Goff
50èmes Journées des Actinides, Mar 2021, Rennes, France
Conference papers cea-03784774v1
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Ultrasound-assisted conversion of UO2 into U(VI) peroxides in aqueous solution saturated with Ar/O2

Julien Margate , Matthieu Virot , Manon Cot-Auriol , Tony Chave , Thomas Dumas
17th Meeting of the European Society of Sonochemistry, Sep 2020, Iena, Germany
Conference papers hal-04766196v1
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Particle Size vs. Local Environment Relationship for ThO2 and PuO2

Matthieu Virot , Laura Bonato , Elodie Dalodiere , Thomas Dumas , Adel Mesbah
JdA-2019 — 49èmes Journées des Actinides, Apr 2019, Erice (Sicile), Italy
Conference papers hal-04765159v1

Particle Size vs. Local Environment Relationship for ThO2 and PuO

L. Bonato , M. Virot , E. Dalodiere , T. Dumas , A. Mesbah
49emes Journees des Actinides (JdA-2019), Apr 2019, Erice, Italy
Conference papers cea-02394079v1
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Electronic structure of f-element Prussian blue analogs by soft X-ray absorption spectroscopy

Thomas Dumas , Christophe den Auwer , Clara Fillaux , Dominique Guillaumont , Philippe Moisy
49 ème Journées des Actinides, JRC, Apr 2019, Erice, Italy
Conference papers cea-02973524v1

Role of the hydroxo function of citric acid within the Am(III) complexation

C. Tamain , L. Bonato , J. Aupiais , T. Dumas , C. Berthon
ATAS 2018, Nov 2018, Nice, France
Conference papers cea-02338560v1

Complexation de l'americium(III) avec l'acide citrique

C. Tamain , T. Dumas , L. Bonato , J. Aupiais , C. Berthon
JECRRC, Jun 2018, Strasbourg, France
Conference papers cea-02339260v1
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Evidence for the Formation of a New Water Soluble Pu Peroxo Complex

M. Virot , E. Dalodiere , T. Dumas , C. Tamain , O. Dieste Blanco
4th International Workshop on Advanced Techniques in Actinide Spectroscopy (ATAS 2018), Université Côte d'Azur; CEA Marcoule; CNRS; ICN Nice, Nov 2018, Nice, France
Conference papers cea-02339471v1

A Comprehensive Study of Molybdates of Tetravalent Elements (Zr, Ce or Pu) for a Better Understanding of Precipitation Phenomenon During the Head-End Treatment of Spent Nuclear Fuels

S. Costenoble , M. Nadolny , Natacha Henry , T. Dumas , C. Lavalette
2018 MRS Spring Meeting, Apr 2018, Phoenix, United States
Conference papers hal-03575022v1
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Sonochemical Preparation and Characterization of Intrinsic Pu Colloids

E. Dalodiere , M. Virot , V. Morosini , T. Chave , T. Dumas
ESS16, Apr 2018, Besancon, France
Conference papers cea-02339061v1
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Ultrasound-assisted Conversion of ThO$_2$ into a Th peroxo sulfate

L. Bonato , M. Virot , T. Dumas , P. Moisy , Sergey I. Nikitenko
4th International Workshop on Advanced Techniques in Actinide Spectroscopy (ATAS 2018), Nov 2018, Nice, France
Conference papers cea-02339466v1

Complexation of americium(III) with citric acid role of the hydroxo function ?

C. Tamain , L. Bonato , J. Aupiais , T. Dumas , C. Berthon
Radchem 1018, May 2018, Marianske lazne, Czech Republic
Conference papers cea-02339246v1

Recent structural investigations of zirconium-plutonium molybdate precipitation and its inhibition during the dissolution step of the spent nuclear fuels treatment

S. Costenoble , M. Nadolny , Natacha Henry , T. Dumas , C. Lavalette
NuMat2018: The Nuclear Materials Conference, Oct 2018, Seattle, WA, United States
Conference papers hal-03575462v1
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Inner and outer sphere plutonium(IV) coordination with amide and carbamide ligands

D. Guillaumont , E Acher , Clemence Berger , T. Dirks , N. Boubals
Plutonium FuturesThe Science 2018, Sep 2018, San Diego, United States
Conference papers cea-02400198v1

Comportement electrochimique des Terres Rares dans des liquides ioniques a temperature ambiante

D. Bengio , E. Mendes , T. Dumas , S Pellet-Rostaing , P. Moisy
18emes Journees Scientifiques de Marcoule (JSM - 2018), Jun 2018, Bagnols Sur Ceze, France
Conference papers cea-02338544v1
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Preparation of a New Water Soluble Polynuclear Peroxide Complex of Pu(IV)

M. Virot , E. Dalodiere , T. Dumas , O. Dieste Blanco , T. Wiss
Pu Futures 2018, Sep 2018, San Diego, United States
Conference papers cea-02400196v1

Actinide hexanuclear cluster [an6(oh)4(o)4(h2o)8]12+ (an = u(iv), np(iv), pu(iv)) structure, synthesis mechanism and physical-chemical properties

C. Tamain , T. Dumas , D. Guillaumont , P. Guilbaud , C. Hennig
actinides 2017, Jul 2017, Sendai, Japan
Conference papers hal-02419641v1

Investigating the ruthenium speciation in TBP/TPH organic phases with coupled spectroscopic techniques

C. Lefebvre , T. Dumas , M.-C. Charbonnel , P.-L. Solari
ISMEC 2017 - Acta of the International Symposia on Metal Complexes, Jun 2017, Dijon, France
Conference papers hal-02433896v1

Facile Sonochemical Preparation of Pu(V) in Aqueous Solutions and Its Characterization by XAS and NMR

E. Dalodiere , M. Virot , T. Dumas , C. Berthon , P. Moisy
Actinide 2017, Jul 2017, Sendai, Japan
Conference papers hal-02433898v1
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Speciation of ruthenium in TBP/TPH organic phases (structure and reactivity)

C. Lefebvre , T. Dumas , M.-C. Charbonnel , Pier Lorenzo Solari
12th Soleil Users' Meeting, Jan 2017, Saint Aubin, France
Conference papers cea-02435078v1

Structure and radiolytic stability of monoamide-actinide complexes

P. Guilbaud , E. Acher , L. Berthon-Nigond , T. Dumas , J. Drader
INCC (5th-International Nuclear Chemistry Congress), Aug 2017, Goteborg, Sweden
Conference papers hal-02433867v1

Speciation of An(III-IV)-complexes in presence of alpha-hydroxycarboxylate ligands

G. Manie , C. Tamain , T. Dumas , S. Nikitenko , P. Moisy
ISMEC 2017 Acta of the International Symposia on Metal Complexes, Jun 2017, Dijon, France
Conference papers hal-02433880v1

Chemistry of ruthenium in the PUREX process new insight on the speciation in the organic phase TBP-TPH

M.-C. Charbonnel , C. Lefebvre , T. Dumas , P.-L. Solari
ISEC 2017 The 21st International Solvent Extraction Conference, Nov 2017, Miyasaki, Japan
Conference papers hal-02433904v1
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Preparation of a water soluble plutonium (IV) cluster: A preliminary study

E. Dalodiere , M. Virot , T. Dumas , P. Moisy , Si. Nikitenko
Actinide 2017, Jul 2017, Sendai, Japan
Conference papers hal-02433877v1

Importance of thermochemistry in the development of actinides extraction processes

M.-C. Charbonnel , N. Boubals , O. Pecheur , F. Rodrigues , D. Guillaumont
ISMEC 2017, Jun 2017, Dijon, France
Conference papers hal-02433892v1
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Structure and radiolytic stability of monoamide-actinide complexes

Philippe Guilbaud , Eléonor Acher , Laurence Berthon , Thomas Dumas , Jessica Drader
40th Actinide Separations Conference, Lawrence Livermore National Laboratory, May 2016, San Diego, United States
Conference papers cea-04729949v1

an(iii) and ln(iii) complexation with tpaen selectivity quantification for an americium(iii) separation process.

N. Boubals , L. Chaneac , T. Dumas , G. Manie , P. Guilbaud
ISMEC 2016International Symposium on metal complexes, Jun 2016, Barcelone, Spain
Conference papers hal-02442284v1

Speciation of ruthenium in TBP/TPH organic phases (structure and reactivity)

C. Lefebvre , T. Dumas , Mc. Charbonnel , R. Burgaud
ATALANTE 2016 - Nuclear Chemistry for Sustainable Fuel Cycles, Jun 2016, Montpellier, France
Conference papers hal-02416315v1

Structure of plutonium(iv) with o-donor ligands from crystallography, extended x-ray absorption fine structure and theoretical calculations

E. Acher , D. Guillaumont , V. Vallet , T. Dumas , C. Tamain
Plutonium Futures - The Science 2016, Sep 2016, Baden-Baden, Germany
Conference papers hal-02441954v1
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Extraction des produits de fission et actinides mineurs par les monoamides: approche expérimentale et modélisation

P. Moeyaert , C. Sorel , M. Miguirditchian , T. Dumas , D. Guillaumont
Journées Scientifiques de Marcoule 2016, Jun 2016, Bagnols sur cèze, France
Conference papers hal-02441906v1
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A macroscopic and molecular study for a complete description of technetium (VII) and uranium (VI) co-extraction mechanism with monoamides

P. Moeyaert , C. Sorel , T. Dumas , D. Guillaumont , M. Miguirditchian
RANC 2016 - The 1st International Conference on Radioanalytical and Nuclear Chemistry, Apr 2016, Budapest, Hungary
Conference papers cea-02442334v1

Preparation and characterization of intrinsic plutonium colloids by sonolysis of puo2 in water

E. Dalodiere , M. Virot , V. Morosini , T. Chave , T. Dumas
Pu Futures 2016, Sep 2016, Baden Baden, Germany
Conference papers hal-02441966v1

X-ray Absorption spectroscopic studies of hexacyanoferrate-actinide compounds

T. Dumas , D. Guillaumont , C. Fillaux , A. Scheinost , P. Moisy
46emes Journees des Actinides - 2016, Mar 2016, Les Deux Alpes, France
Conference papers cea-02442370v1

Synthesis and structural characterization of a new water soluble actinide(IV) hexanuclear cluster [An6(OH)4O4]12+ (with An = U, Np, Pu).

Christelle Tamain , Christoph Hennig , Thomas Dumas , Dominique Guillaumont , Philippe Guilbaud
Pu Futures 2016, JRC, Aug 2016, Baden-Baden, Allemagne, Germany
Conference papers hal-04748503v1
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Sonochemistry of plutonium

M. Virot , T. Chave , E. Dalodiere , X. Beaudoux , V. Morosini
5th ATALANTE Conference on Nuclear Chemistry for Sustainable Fuel Cycles, Jun 2016, Montpellier, France
Conference papers hal-02441989v1

Etude structurale des complexes de Pu(IV), U(VI) et Tc(VII) / N,N-dialkylamides

E. Acher , P. Moeyaert , C. Tamain , T. Dumas , D. Guillaumont
XVeme Journee Nationale de Radiochimie et de chimie nucleaire, Sep 2016, Nice, France
Conference papers cea-02439438v1

An(III) and Ln(III) complexation with TPAEN: selectivity quantification for an americium(III) separation process

N. Boubals , L. Chaneac , T. Dumas , P. Guilbaud , G. Manie
ATALANTE 2016 - Nuclear Chemistry for Sustainable Fuel Cycles, Jun 2016, Montpellier, France
Conference papers hal-02416300v1

Synthesis and structural characterization of actinide(U(VI) or Pu(IV))-monoamide compounds

C. Tamain , Y. Cherkaski , T. Dumas , M-C. Charbonnel , P. Guilbaud
9th international conference on f-element 2015, Sep 2015, Oxford, United Kingdom
Conference papers cea-02500825v1
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Spéciation du ruthénium en phase organique TBP/TPH (structure, degré d'oxydation) et recherche de complexant sélectifs

C. Lefebvre , T. Dumas , M.-C. Charbonnel , R. Burgaud
15èmes Journées Scientifiques de Marcoule (JSM - 2015), Jun 2015, Bagnols sur Ceze, France
Conference papers cea-02489567v1
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Speciation and Thermodynamics Data to better describe the Efficiency of Actinides Separation by N,N-dialkylamides

M.-C. Charbonnel , L. Berthon-Nigond , N. Boubals , T. Dumas , D. Guillaumont
Global 2015, Sep 2015, Paris, France
Conference papers cea-02506788v1
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Complexation of actinides by branched N-macrocycle DOTA

M. Audras , L. Berthon-Nigond , C. Berthon , N. Zorz , D. Guillaumont
SCF Congress 2015 - Congrès de la société Chimique de France 2015, Jul 2015, Lille, France
Conference papers cea-02489496v1
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Preparation of intrinsic plutonium colloids by sonolysis of PuO2 in water

Vincent Morosini , Tony Chave , Matthieu Virot , Christophe den Auwer , Thomas Dumas
Plutonium Futures The Science, Sep 2014, Las Vegas (NV), United States
Conference papers hal-04765281v1
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Ultrasound-assisted conversion of UO$_2$ into U(VI) peroxides in aqueous solution saturated with Ar/O$_2$

Julien Margate , Matthieu Virot , Thomas Dumas , Christophe Jegou , Manon Cot-Auriol
ATALANTE 2024 – Nuclear Chemistry for Sustainable Fuel Cycles, Sep 2024, Avignon, France
Conference poster hal-04766133v1
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Sonochemical transformation of uranium dioxide (UO2) into uranium peroxide ([(UO2(O2)(H2O)2 )•xH2O]) : Unveiling intriguing morphologies

Julien Margate , Matthieu Virot , Thomas Dumas , Manon Cot-Auriol , Tony Chave
18th meeting of the european society of sonochemistry, May 2024, Leuven (Belgique), Belgium
Conference poster hal-04766107v1
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Conversion assistée par ultrasons de UO2 en peroxydes de U(VI) dans une solution aqueuse saturée en Ar/O2

Julien Margate , Matthieu Virot , Thomas Dumas , Christophe Jegou , Manon Cot-Auriol
3èmes rencontres rayonnement radiochimie R3C, Jun 2024, Nîmes, France
Conference poster hal-04766151v1

Revisiting the speciation diagram of Pu(IV)-acetate system taking into account polynuclear species

Christelle Tamain , Geoffroy Chupin , Thomas Dumas , Pier Lorenzo Solari , Philippe Moisy
Migration, Sep 2023, Nantes (France), France. 2023
Conference poster hal-04748462v1
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Préparation de nanoparticules colloïdales de UO$_{2+x}$ par voie sonochimique

Manon Cot-Auriol , Matthieu Virot , Thomas Dumas , Philippe Moisy , Sergey I. Nikitenko
JSUP 23 - 7ème Journées Scientifiques Ultrasons et Procédés, Dec 2023, Lyon, France
Conference poster hal-04765387v1
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Sonochemical conversion of UO$_2$ into U(VI) peroxides reveals unexpected morphologies

Julien Margate , Matthieu Virot , Manon Cot-Auriol , Tony Chave , Thomas Dumas
Plutonium Futures – The Science 2022, Sep 2022, Avignon, France
Conference poster hal-04766187v1