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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Boudet, Nathalie
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Influence of the Ge content on the lithiation process of crystalline Si 1− x Ge x nanoparticle-based anodes for Li-ion batteriescitations
- 2022Relationship between atomic structure and excellent glass forming ability in Pd 42.5 Ni 7.5 Cu 30 P 20 metallic glasscitations
- 2022Coupling between elastic strains and phase transition in dense pure zirconia polycrystalscitations
- 2022Relationship between atomic structure and excellent glass forming ability in Pd42.5Ni7.5Cu30P20 metallic glasscitations
- 2021Detailed structural analysis of amorphous Pd40Cu40P20: Comparison with the metallic glass Pd40Ni40P20 from the viewpoint of glass forming abilitycitations
- 2021Detailed structural analysis of amorphous Pd 40 Cu 40 P 20 :Comparison with the metallic glass Pd 40 Ni 40 P 20 from the viewpoint of glass forming abilitycitations
- 2020Prelithiation of silicon/graphite composite anodes: Benefits and mechanisms for long-lasting Li-Ion batteriescitations
- 2019Advanced Non-Destructive in Situ Characterization of Metals with the French Collaborating Research Group D2AM/BM02 Beamline at the European Synchrotron Radiation Facilitycitations
- 2019Advanced Non-Destructive in Situ Characterization of Metals with the French Collaborating Research Group D2AM/BM02 Beamline at the European Synchrotron Radiation Facilitycitations
- 2019Heterogeneous Nanostructural Aging of Fuel Cell Ionomer Revealed by Operando SAXScitations
- 2019Partial structure investigation of the traditional bulk metallic glass Pd40Ni40P20citations
- 2019Partial structure investigation of the traditional bulk metallic glass Pd40Ni40 P20citations
- 2018In situ Synchrotron X-Ray diffraction study of high-temperature stress relaxation in chromia scales containing the reactive element yttriumcitations
- 2017Strains in thermally growing Cr2O3 films measured in situ using synchrotron X-rayscitations
- 2016Tuning the conductivity type in a room temperature magnetic oxide: Ni-doped Ga0.6Fe1.4O3 thin filmscitations
- 2016Reaction of Ni film with In0.53Ga0.47As: Phase formation and texturecitations
- 2016Determination of the cationic distribution in oxidic thin films by resonant X-ray diffraction: the magnetoelectric compound Ga2-xFexO3. Supporting information
- 2016Self-organized arrays of dislocations in thin smectic liquid crystal filmscitations
- 2016Self-organized arrays of dislocations in thin smectic liquid crystal filmscitations
- 2014Probing Self-Assembly of Cylindrical Morphology Block Copolymer Using in Situ and ex Situ Grazing Incidence Small-Angle X-ray Scattering: The Attractive Case of Graphoepitaxycitations
- 2012Key experimental information on intermediate-range atomic structures in amorphous Ge2Sb2Te5 phase change materialcitations
- 2012Anomalous x-ray diffraction measurements of long-range order in (001)-textured L1(0) FePtCu thin filmscitations
- 2011Microstructural mapping of C60 phase transformation into disordered graphite at high pressure, using X-ray diffraction microtomographycitations
- 2007Development of structural order during supercooling of a fragile oxide meltcitations
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article
Microstructural mapping of C60 phase transformation into disordered graphite at high pressure, using X-ray diffraction microtomography
Abstract
International audience ; An extended use of synchrotron-based X-ray diffraction microtomography (XRD-mu CT) to study simultaneously the phase distribution and microstructure in phase-transformation processes is proposed. This three-dimensional non-invasive imaging approach has been applied to understand the phase transformation of C60 rhombohedral polymer (C60R) into disordered graphite (DG) at high pressure and high temperature. The heterogeneous sample was synthesized (5 GPa, 1100 K) using a Paris-Edinburgh cell and selective image reconstructions were achieved for all different phases present in this sample. The XRD-mu CT analysis evidences elongated DG domains with a fiber texture where nested (002)(DG) planes show +/- 70 degrees preferential orientation relative to the compression axis. In contrast C60R domains are found to be small and spotty, preferentially in the middle of the sample. The parent and product phases are mutually interpenetrative and exhibit a crystallographic relationship. This study evidences that formation of (002)(DG) planes occurs parallel to {111}(C60C) pseudo-cubic planes. Among these four possible alignments, uniaxial pressure favors one [111](C60C) direction. Transmission electron microscopy observations validate these nondestructive XRD-mu CT results