Sébastien Merkel
Présentation
Research experience
Education
Title : Plasticity under pressure: experimental approach
Title: Elasticity and preferred orientations in the deep Earth: an experimental approach
Advisors: Philippe Gillet (ENS Lyon) and Russell J. Hemley (Geophysical Laboratory)
Publications
Publications
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Apport des rayons X à l’étude de microstructures et propriétés mécaniques sous pressionGuinebretière, René; Goudeau, Philippe. Rayons X et Matière 6, ISTE Editions, pp.93-116, 2023 |
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Deformation and Plasticity of Materials under Extreme ConditionsFei, Yingwei; Walter, Michael J. Static and Dynamic High Pressure Mineral Physics, Cambridge University Press (CUP), pp.239-265, 2022 |
Deformation of Core and Lower-Mantle MaterialsTerasaki, H.; Fischer, R. A. Deep Earth: Physics and Chemistry of the Lower Mantle and Core, John Wiley & Sons; Inc; Hoboken; NJ; USA, pp.89-99, 2016 |
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Radial diffraction in the diamond anvil cell: methods and applicationsBoldyreva, E.; Dera, P. High-Pressure Crystallography: From Fundamental Phenomena to Technological Applications, Springer; Dordrecht; Netherlands, pp.111-122, 2010 |
Deep mantle deformation and microstructures from high pressure mineral physics experimentsInstitut des Sciences de la Terre d'Orléans, Nov 2025, Orléans, France |
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The iron phase diagram at multiple timescalesEuropean High Pressure Research Group (EHPRG), Sep 2025, Manchester, United Kingdom |
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Multi-Grain Diffraction and Deformation Experiments in Diamond Anvil CellsSEES-ISRD 2025 Joint Meeting, Aug 2025, Chicago, IL, United States |
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Revisiting the iron phase diagram4th Onsen Workshop: Formation and Chemical Composition of Cores, Oct 2025, Yunishigawa, Nikko, Tochigi, Japan |
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Phase transformation and deformation microstrucures in Earth's mantle minerals up to 110 GPa and 2000 K using multigrain X-ray crystallographyICOTOM International Conference on the Textures of Materials, Société Française de Métallurgie et de Matériaux; Laboratoire d'étude des microstructures et de mécanique des matériaux, Jul 2024, Metz, France |
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New facilities for high pressure / high temperature experiments on iron alloys at planetary core conditions on the European XFELEGU General Assembly 2024, Apr 2024, Vienna, Austria. ⟨10.5194/egusphere-egu24-20584⟩ |
Pyrolite microstructures and deep mantle anisotropy from multigrain XRD in the laser-heated diamond anvil cellSéminaire de recherche, Jun 2024, Bayreuth, Germany |
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Multigrain crystallography: new tools for high pressure discoveriesIUCr High-Pressure workshop, Sep 2024, Lund, Sweden |
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La diffraction multigrain pour l’étude des microstructures de transformation et déformation dans les expériences sous haute pression et haute température en cellule à enclumes de diamantRayons X et Matière, Nov 2023, Bordeaux, France |
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Multigrain X-ray Diffraction for the Study of Deformation and Phase Transformation Microstructures at Deep Mantle Pressures and TemperaturesIUCr Congress and General Assembly, Aug 2023, Melbourne, Victoria, Australia |
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Deformation and microstructures of Earth minerals at mantle P and T using multigrain X-ray crystallographyJoint 28th AIRAPT and 60th EHPRG International Conference on High Pressure Science and Technology, Jul 2023, Edinburgh, United Kingdom |
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Multigrain X-ray Diffraction for the Study of Deformation and Phase Transformation Microstructures at Deep Mantle Pressures and TemperaturesJoint 28th AIRAPT and 60th EHPRG International Conference on High Pressure Science and Technology, Jul 2023, Edinburgh, United Kingdom |
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Nouvelles opportunités au laser à électron libre européen pour l’étude de l’intérieur de la terre et des planètesMatériaux 2022, Oct 2022, Lille, France, France |
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Surface wave detectability of transition zone anisotropy induced by non-Newtonian mantle flowEGU General Assembly, May 2022, Vienna, Austria |
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Microstructures and anisotropy in pyrolite at lower mantle pressures and temperaturesAmerican Geophysical Union fall meeting, Dec 2022, Chicago, IL, United States |
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Microstructure evolution of olivine+serpentine aggregates under shear deformation: in-situ X-ray tomography and post-mortem electron microscopy studyGordon Research Seminar on Rock Deformation, Aug 2022, Lewiston, Maine, United States |
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Multigrain Crystallography in Diamond Anvil Cell Experiments: Application for Phase Transformation and Deformation Microstructures in Earth Mantle Minerals2022 Diffraction Microstructure Imaging Workshop, Jun 2022, Washington, DC, United States |
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Phase Change of Pyrolitic Material: In-situ Transformation of Ringwoodite to Bridgmanite at 660 km ConditionsEMPG (Experimental Mineralogy, Petrology and Geochemistry), Mar 2021, Potsdam, Germany |
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Microstructure Evolution in Deforming Polymineralic Rock to Explain Shear Zones at Subduction Zones in the EarthAmerican Geophysical Union fall meeting, Dec 2021, New Orleans (virtual), United States |
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eformation Mechanisms In Fine-grained MgO Periclase At Pressures Of 1.6-8.3 GPa And Temperatures Of 875-1270 KAmerican Geophysical Union fall meeting, Dec 2021, New Orleans (virtual), United States |
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Materials microstructures in high pressure experimentsHigh Energy Density Science Center Seminar Series, Mar 2021, Livermore, CA, United States |
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Microstructural evolution in deforming olivine-serpentine aggregates at subduction zones conditions using in-situ X-ray tomography17th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (EMPG), Mar 2021, Online, Germany |
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Phase transitions of olivine induced by high-energy X-ray Free Electron Laser – X-ray heating DAC experiments at HED Instrument, EuXFELAmerican Geophysical Union fall meeting, Dec 2021, New Orleans, LA, United States |
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Phase transitions in the lowermost mantle: effect on microstructures and seismic observablesGlobal Scale Seismic Imaging and Dynamics of the Earth’s Mantle, Oct 2021, Collège de France, Paris, France |
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Dislocation Slip In Wadsleyite And Its Implications For The Seismic Anisotropy In The Mantle Transition ZoneAmerican Geophysical Union fall meeting, Dec 2021, New Orleans, LA, United States |
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Crystal Plasticity and Strength of Shock-Compressed hcp-Iron up to 187(10) GPa and 4070(285) KAmerican Geophysical Union fall meeting, Dec 2021, New Orleans, LA, United States |
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In-situ studies of olivine-wadsleyite transformation and related microstructures between 12 to 22 GPa and 1500 to 1700 K17th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (EMPG), Mar 2021, Online, Germany |
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Post-mortem electron microsopy study of plastic deformation in MgO periclaseColloque de la Société Française des Microscopies (SFµ) junior, Nov 2020, Online, France |
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Effect of hydrostatic pressure on phase transitions and microstructures in polycrystalline materialsPhoton Science Seminar Series, SLAC National Accelerator Laboratory, Jan 2020, Menlo Park, CA, United States |
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Phase Change of Pyrolitic Material: In-situ Transformation and Induced Microstructures at 660 km DepthAGU Fall Meeting, American Geophysical Union, Dec 2020, San Francisco, CA, United States |
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Microstructural evolution in deforming olivine-serpentine aggregates at subduction zones conditions using in-situ X-ray tomographyAmerican Geophysical Union fall meeting, American Geophysical Union, Dec 2020, Online, United States |
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TIMEleSS tools A toolbox for high pressure multigrain diffraction experimentsNIST Workshop on Technical Aspects of Synchrotron X-ray and Neutron Measurements for Diffraction Microstructure Imaging, Jul 2020, Virtual meeting, United States |
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Phase transitions in the lowermost mantle : effect on microstructures, seismics reflections, and dynamicsEarth Section Seminar, Scripps Institution of Oceanography, Feb 2020, San Diego, CA, United States |
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High-pressure yield strength of rocksalt structures using quartz Raman piezometry9th High-Pressure Mineral Physics Seminar, Sep 2017, Saint Malo, France. pp.9, ⟨10.1016/j.crte.2018.02.001⟩ |
Phase transitions in the mantleCREEP Innovative Training Network Final Workshop, Jan 2019, Les Houches, France |
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Phase transitions in the lowermost mantle: Effects on microstructures and seismic reflectionsDeep Earth Mini Symposium, Nov 2019, Münster, Germany |
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Kinetics and detectability of the bridgmanite to post-perovskite transformation in the Earth's D'' layerEGU General Assembly, Apr 2019, Vienne, Austria |
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3D-XRD Study of Phase Transformation Microstructures in Deep Earth Minerals3D-MS, Jun 2018, Elsingor, Denmark |
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Transformations de phase à l'interface noyau-manteauRéunion des Sciences de la Terre, Oct 2018, Lille, France |
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La transformation perovskite / post-perovskite dans la couche D": cinétique et microstructuresJournées du Programme National de Planétologie, Sep 2018, Nice, France |
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In situ time-resolved XRD of shock-compressed Fe to 200 GPaAGU Fall Meeting, Dec 2018, Washington, DC, United States |
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Perovskite / Post-Perovskite Phase Transformation : Effect on Grain Sizes and OrientationsEGU General Assembly 2018, Apr 2018, Vienna, Austria |
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Les microstructures de matériaux géophysiques sous l'angle des grands instrumentsMatériaux 2018, Nov 2018, Strasbourg, France |
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Les Macles Androgynes du ZincMatériaux 2018, Nov 2018, Strasbourg, France |
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The Earth's inner core: a mineral physics perspectiveSEDI (Study of the Earth's Deep Interior), Jul 2018, Edmonton, Canada |
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New Analysis of High Pressure Data for Olivine DeformationAGU Fall Meeting, Dec 2018, Washington, DC, United States |
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Deformation mechanism of periclase at varying pressure and temperature conditionsAGU Fall Meeting, Dec 2018, Washington, DC, United States |
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Effective Stress Sensitivity of the Viscoplastic Upper Mantle, and Related Deformation Mechanisms at the Grain ScaleAmerican Geophysical Union fall meeting, Dec 2014, San Francisco, United States |
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Comparing olivine single crystal and polycrystal rheology: evidence for supplementary accommodation mechanisms at grain boundariesAmerican Geophysical Union fall meeting, Dec 2013, San Francisco, United States |
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Advances in high-pressure materials rheology: from single-crystal to aggregate plasticityNew Trends in Solid Mechanics: Coupled Fields and Multiscale Modelling, Jun 2013, Castro Urdiales, Spain |
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Multiscale Modeling of Upper Mantle Plasticity: Integrating Experimental and Theoretical data into Mean-field SchemesAmerican Geophysical Union fall meeting, Dec 2013, San Francisco, United States |
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Viscoplastic behavior of multiphase Earth mantle polycrystals inferred from micromechanical modelingAmerican Geophysical Union fall meeting, Dec 2012, San Francisco, United States. pp.1 |
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High-Pressure Deformation of Earth Materials: From Single-Crystal Rheology to the Modeling of Upper-Mantle PlasticityAmerican Geophysical Union fall meeting, Dec 2012, San Francisco, United States. pp.1 |
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Micromechanical modelling of the viscoplastic behavior of Earth mantle polycrystals. International Symposium on Plasticity.International Symposium on Plasticity, Jan 2012, San Juan, United States. pp.1 |
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Microstructure and Rheology of the Earth Upper Mantle inferred from a multiscale approach.Colloque Plasticité, 2011, Villeneuve d'Ascq, France. pp.1 |
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Microstructures and rheology of the Earth's upper mantle inferred from a multiscale approachMicroDICE Conference - Ice deformation: from the model material to ice in natural environments, Nov 2011, Grenoble, France. pp.1 |
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Micromechanical modeling of the viscoplastic behavior of multiphase Earth mantle polycrystalsAmerican Geophysical Union fall meeting, Dec 2011, San Francisco, United States. pp.1 |
Data supporting “On the influence of pressure, phase transitions, and water on large-scale seismic anisotropy underneath a subduction zone”2025 |
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Observation of Body-Centered Cubic Iron above 200 Gigapascals2025 |
Models of anisotropy in the Earth mantle from multigrain crystallography experiments in the diamond anvil cell2022 |
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Microstructures in Earth mantle minerals: using MTEX to track grains and physical properties of polycrystals in high pressure experiments2022 |
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Deformation of subduction zones multiphase rocks: in situ, high pressure experiments2021 |
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Multiscale model of global inner-core anisotropy induced by hcp-alloy plasticity2016 |