Dr Florent LEBRETON

Julie Simeon, Florent Lebreton, Laure Ramond, Nicolas Clavier, Guillaume Bernard-Granger. Influence of the PuO2 content on the sintering behaviour of UO2-PuO2 freeze-granulated powders under reducing conditions. Journal of the European Ceramic Society, Elsevier, 2021, 41 (13), pp.6778-6783. ⟨10.1016/j.jeurceramsoc.2021.06.032⟩. ⟨cea-03550882⟩

Florian La Lumia, Laure Ramond, Cécile Pagnoux, Philippe Coste, Florent Lebreton, et al.. Dense and homogeneous MOX fuel pellets manufactured using the freeze granulation route. Journal of the American Ceramic Society, Wiley, 2020, 103 (5), pp.3020-3029. ⟨10.1111/JACE.17005⟩. ⟨cea-02528999⟩

E. Epifano, Romain Vauchy, Florent Lebreton, R. Lauwerier, A. Joly, et al.. On the O-rich domain of the U-Am-O phase diagram. Journal of Nuclear Materials, Elsevier, 2020, 531, pp.151986. ⟨10.1016/j.jnucmat.2020.151986⟩. ⟨cea-02529003⟩

Julie Simeon, Florent Lebreton, Laure Ramond, Florian La Lumia, Nicolas Clavier, et al.. Sintering of a UO2 - PuO2 freeze-granulated powder under reducing conditions. Journal of the European Ceramic Society, Elsevier, 2020, 40 (15), pp.5900-5908. ⟨10.1016/j.jeurceramsoc.2020.07.022⟩. ⟨hal-02927353⟩

E. Epifano, C. Gueneau, Rc. Belin, R. Vauchy, F. Lebreton, et al.. Insight into the Am-O Phase Equilibria: A Thermodynamic Study Coupling High-Temperature XRD and CALPHAD Modeling.. Inorganic Chemistry, American Chemical Society, 2017, ⟨10.1021/acs.inorgchem.7b00572⟩. ⟨cea-02418708⟩

O. Beneš, O.S. Vălu, J. Zappey, Florent Lebreton, P.M. Martin, et al.. High temperature heat capacity of (U, Am)O2±x. Journal of Nuclear Materials, Elsevier, 2017, 494, pp.95-102. ⟨10.1016/j.jnucmat.2017.07.009⟩. ⟨cea-02528994⟩

Romain Vauchy, Renaud Belin, Anne-Charlotte Robisson, Florent Lebreton, Laurence Aufore, et al.. Actinide Oxidation State and O/M Ratio in Hypostoichiometric Uranium–Plutonium–Americium U$_{0.750}$Pu$_{0.246}$Am$_{0.004}$O$_{2-x}$ Mixed Oxides. Inorganic Chemistry, American Chemical Society, 2016, 55 (5), pp.2123-2132. ⟨10.1021/acs.inorgchem.5b02533⟩. ⟨cea-02528980⟩

Damien Prieur, Florent Lebreton, M. Caisso, P.M. Martin, A.C. Scheinost, et al.. Melting behaviour of americium-doped uranium dioxide. The Journal of Chemical Thermodynamics, 2016, 97, pp.244-252. ⟨10.1016/j.jct.2016.02.003⟩. ⟨cea-02528984⟩

E. Epifano, R. Belin, J-C Richaud, Romain Vauchy, M. Strach, et al.. In-situ High Temperature X-ray Diffraction Study of the Am-O System. MRS Advances, Cambridge University Press, 2016, 1 (62), pp.4133-4137. ⟨10.1557/adv.2017.200⟩. ⟨cea-02528988⟩

Damien Prieur, Florent Lebreton, P.M. Martin, M. Caisso, R. Butzbach, et al.. Comparative XRPD and XAS study of the impact of the synthesis process on the electronic and structural environments of uranium–americium mixed oxides. Journal of Solid State Chemistry, Elsevier, 2015, 230, pp.8-13. ⟨10.1016/j.jssc.2015.03.037⟩. ⟨cea-02528977⟩

Florent Lebreton, Denis Horlait, Richard Caraballo, P.M. Martin, Andreas Scheinost, et al.. Peculiar Behavior of (U,Am)O 2−δ Compounds for High Americium Contents Evidenced by XRD, XAS, and Raman Spectroscopy. Inorganic Chemistry, American Chemical Society, 2015, 54 (20), pp.9749-9760. ⟨10.1021/acs.inorgchem.5b01357⟩. ⟨cea-02528978⟩

Marie Caisso, Sébastien Picart, Renaud C. Belin, Florent Lebreton, Philippe M. Martin, et al.. In situ characterization of uranium and americium oxide solid solution formation for CRMP process: first combination of in situ XRD and XANES measurements. Dalton Transactions, Royal Society of Chemistry, 2015, 44 (14), pp.6391 - 6399. ⟨10.1039/c4dt03515a⟩. ⟨hal-01684157⟩

Marie Caisso, Florent Lebreton, Denis Horlait, Sébastien Picart, Philippe Martin, et al.. Nanostructured gadolinium-doped ceria microsphere synthesis from ion exchange resin: Multi-scale in-situ studies of solid solution formation. Journal of Solid State Chemistry, Elsevier, 2014, 218, pp.155 - 163. ⟨10.1016/j.jssc.2014.06.028⟩. ⟨hal-01687527⟩

Denis Horlait, Florent Lebreton, Aurélie Gauthé, Marie Caisso, Bénédicte Arab-Chapelet, et al.. Americium-based oxides: Dense pellet fabrication from co-converted oxalates. Journal of Nuclear Materials, Elsevier, 2014, 444 (1-3), pp.181-185. ⟨10.1016/j.jnucmat.2013.09.028⟩. ⟨cea-02528965⟩

E. Remy, S. Picart, Thibaud Delahaye, I. Jobelin, Florent Lebreton, et al.. Fabrication of uranium–americium mixed oxide pellet from microsphere precursors: Application of CRMP process. Journal of Nuclear Materials, Elsevier, 2014, 453 (1-3), pp.214-219. ⟨10.1016/j.jnucmat.2014.06.048⟩. ⟨cea-02528971⟩

Denis Horlait, Richard Caraballo, Florent Lebreton, Christophe Jégou, Pascal Roussel, et al.. Self-irradiation and oxidation effects on americium sesquioxide and Raman spectroscopy studies of americium oxides. Journal of Solid State Chemistry, Elsevier, 2014, 217, pp.159-168. ⟨10.1016/j.jssc.2014.05.025⟩. ⟨hal-02269075⟩

Florent Lebreton, P.M. Martin, Denis Horlait, René Bes, Andreas Scheinost, et al.. New Insight into Self-Irradiation Effects on Local and Long-Range Structure of Uranium–Americium Mixed Oxides (through XAS and XRD). Inorganic Chemistry, American Chemical Society, 2014, 53 (18), pp.9531-9540. ⟨10.1021/ic500681k⟩. ⟨cea-02528973⟩

Denis Horlait, Florent Lebreton, Pascal Roussel, Thibaud Delahaye. XRD Monitoring of α Self-Irradiation in Uranium–Americium Mixed Oxides. Inorganic Chemistry, American Chemical Society, 2013, 52 (24), pp.14196-14204. ⟨10.1021/ic402124s⟩. ⟨hal-02263475⟩

Thibaud Delahaye, Florent Lebreton, Denis Horlait, Nathalie Herlet, Philippe Dehaudt. Application of the UMACS process to highly dense U1−xAmxO2±δ MABB fuel fabrication for the DIAMINO irradiation. Journal of Nuclear Materials, Elsevier, 2013, 432 (1-3), pp.305-312. ⟨10.1016/j.jnucmat.2012.07.018⟩. ⟨cea-02528953⟩

Denis Horlait, Alex Feledziak, Florent Lebreton, Nicolas Clavier, Damien Prieur, et al.. Dilatometric study of U1−xAmxO2±δ and U1−xCexO2±δ reactive sintering. Journal of Nuclear Materials, Elsevier, 2013, 441 (1-3), pp.40-46. ⟨10.1016/j.jnucmat.2013.05.024⟩. ⟨cea-02528960⟩

Florent Lebreton, Denis Horlait, Thibaud Delahaye, Philippe Blanchart. Fabrication and characterization of U1−xAmxO2±δ compounds with high americium contents (x=0.3, 0.4 and 0.5). Journal of Nuclear Materials, Elsevier, 2013, 439 (1-3), pp.99-102. ⟨10.1016/j.jnucmat.2013.03.074⟩. ⟨cea-02528957⟩

Damien Prieur, P.M. Martin, Florent Lebreton, Thibaud Delahaye, Dipanjan Banerjee, et al.. Accommodation of multivalent cations in fluorite-type solid solutions: Case of Am-bearing UO2. Journal of Nuclear Materials, Elsevier, 2013, 434 (1-3), pp.7-16. ⟨10.1016/j.jnucmat.2012.11.037⟩. ⟨cea-02528954⟩

Florent Lebreton, Damien Prieur, Denis Horlait, Thibaud Delahaye, Aurélien Jankowiak, et al.. Recent progress on minor-actinide-bearing oxide fuel fabrication at CEA Marcoule. Journal of Nuclear Materials, Elsevier, 2013, 438 (1-3), pp.99-107. ⟨10.1016/j.jnucmat.2013.02.079⟩. ⟨cea-02528956⟩

Denis Horlait, Florent Lebreton, Thibaud Delahaye, Philippe Blanchart. Dilatometric Study of U 1− x Am x O 2±δ Sintering: Determination of Activation Energy. Journal of the American Ceramic Society, Wiley, 2013, 96 (11), pp.3410-3416. ⟨10.1111/jace.12642⟩. ⟨cea-02528962⟩

Damien Prieur, Florent Lebreton, P.M. Martin, A. Jankowiak, T. Delahaye, et al.. Reactive sintering of U1−yAmyO2±x in overstoichiometric conditions. Journal of the European Ceramic Society, Elsevier, 2012, 32 (8), pp.1585-1591. ⟨10.1016/j.jeurceramsoc.2011.12.017⟩. ⟨cea-02528916⟩

Florent Lebreton, Damien Prieur, Aurélien Jankowiak, Magaly Tribet, Caroline Leorier, et al.. Fabrication and characterization of americium, neptunium and curium bearing MOX fuels obtained by powder metallurgy process. Journal of Nuclear Materials, Elsevier, 2012, 420 (1-3), pp.213-217. ⟨10.1016/j.jnucmat.2011.10.016⟩. ⟨cea-02528949⟩

D. Prieur, P.M. Martin, F. Lebreton, T. Delahaye, Aurélien Jankowiak, et al.. Alpha self-irradiation effect on the local structure of the local structure of the U0.85Am0.15O2+x solid solution. Journal of Solid State Chemistry, Elsevier, 2012, 194, pp.206-211. ⟨10.1016/j.jssc.2012.05.006⟩. ⟨hal-00771358⟩

Florent Lebreton, Renaud Belin, Thibaud Delahaye, Philippe Blanchart. In-situ X-ray diffraction study of phase transformations in the Am–O system. Journal of Solid State Chemistry, Elsevier, 2012, 196, pp.217-224. ⟨10.1016/j.jssc.2012.06.027⟩. ⟨cea-02528950⟩

Florent Lebreton, Renaud Belin, Damien Prieur, Thibaud Delahaye, Philippe Blanchart. In Situ Study of the Solid-State Formation of U 1– x Am x O 2±δ Solid Solution. Inorganic Chemistry, American Chemical Society, 2012, 51 (17), pp.9369-9375. ⟨10.1021/ic301124d⟩. ⟨cea-02528952⟩

M. Bertrand, A. Salvatores, S. Grandjean, S. Lalleman, E. Buravand, et al.. Study of irradiated and non-irradiated MOX fuel reprocessing. TOP FUEL 2019, Sep 2019, Seattle, United States. ⟨cea-02394092⟩

J. Simeon, F. Lalumia, L. Ramond, F. Lebreton, G. Bernard-Granger. Etude du frittage d'une poudre d'oxyde mixte d'uranium-plutonium préparée par atomisation cryogénique. Colloque national poudres, materiaux frittes et fabrication additive, May 2019, Grenoble, France. ⟨hal-02411079⟩

R. Belin, P. Martin, J.-C. Richaud, P. Valenza, M. Reynaud, et al.. Apport des rayons X pour l'etude des combustibles nucleaires. 12eme Colloque Rayons X et Matiere, Nov 2017, Lille, France. ⟨hal-02416247⟩

E. Epifano, P. Martin, R. Vauchy, F. Lebreton, D Manara, et al.. A comprehensive thermodynamic study of the U-Am-O ternary system: multiple experimental investigations and Calphad modelling. MRS Spring Meeting 2017, Apr 2017, Phoenix, United States. ⟨cea-02437056⟩

E. Epifano, P. Martin, O. Benej, T. Wiss, F. Lebreton, et al.. A thermodynamic study of the U-Am-O systemMultiple experimental investigations for CALPHAD modeling. MRS Spring meeting 2017, Apr 2017, Phoenix, United States. ⟨hal-02433887⟩

E. Epifano, C. Guéneau, R. Vauchy, R. Belin, J.-C. Richaud, et al.. New insight in the Am-O systemby coupling experimental HT-XRD and CALPHAD modeling. Plutonium Futures: The Science 2016, Sep 2016, Baden Baden, Germany. ⟨cea-02438368⟩

Marie Caisso, Pascal Roussel, Christophe den Auwer, R. Belin, Philippe M. Martin, et al.. Innovative (U,Am)O2 Synthesis Dedicated to Dustless Process for Americium Bearing Blankets Fabrication. Identification of the Chemical Steps through XRD and XAS Studies. Material Research Society Spring Meeting (MRS Spring 2016), Mar 2016, Phoenix, United States. ⟨hal-02331439⟩

S. Vaudez, C. Marlot, F. Lebreton, C. Chambon. Effect of Carbon During The Sintering of MOX fuels. TOP FUEL 2016, Sep 2016, Boise, United States. ⟨cea-02431789⟩

E. Epifano, C. Guéneau, R. Belin, Jc. Richaud, M. Strach, et al.. In-situ High temperature X-Ray diffraction study of the Am-O system. MRS Scientific Basis for Nuclear Waste Management XXXIX, Nov 2015, Montpellier, France. ⟨cea-02491617⟩

E. Epifano, C. Gueneau, R. Belin, J.-C. Richaud, M. Strach, et al.. In-situ high temperature X-ray diffraction study of Americium Dioxide. NuFuel MMSNF 2015, Nov 2015, Karlsruhe, Germany. ⟨cea-02509681⟩

E. Epifano, O. Benes, Os. Valu, J. Zappey, F. Lebreton, et al.. High temperature heat capacity of (U,Am)O2+x Oxides. NuFuel 2017, Sep 2017, Lecco, Italy. 2017. ⟨hal-02433871⟩

Florent Lebreton. Synthèse et caractérisation d'oxydes mixtes d'uranium et d'américium. Autre. Université de Limoges, 2014. Français. ⟨NNT : 2014LIMO0009⟩. ⟨tel-01127208⟩