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Unité Matériaux et Transformations
CNRS UMR 8207 - Université de Lille

MERKEL Sébastien
Sébastien MERKEL
Professeur Université de Lille, FST-Dép. Physique
Bâtiment C6 - 116
Unité Matériaux et Transformations
Cité scientifique, Bât. C6
Université de Lille
59655 Villeneuve d'Ascq
France
Tel: +33 (0) 320 43 65 16
Fax: +33 (0) 320 43 65 91
Courriel Envoyer un mel à  Sébastien MERKEL: Envoyer un mel à Sébastien MERKEL
Page personnelle: http://merkel.texture.rocks
Identifiant ORCID 0000-0003-2767-581X: 0000-0003-2767-581X

Recherche

Géophysique / terre interne - Plasticité et microstructures sous conditions extrêmes de pression et de température - Anisotropie sismique

Enseignement

Enseignement à la faculté des sciences et technologies. Approche physique de la terre - Introduction à la planétologie - Physique de la terre et de l'environnement - Physique de la déformation et microstructures - Caractérisation structurale avancée des matériaux - Edition scientifique

Autre

Membre honoraire junior de l'Institut Universitaire de France (2014-2019)

Porteur du projet conjoint ANR-DFG TIMEleSS « Phase TransformatIons, MicrostructurEs, and their Seismic Signals from the Earth's mantle », 2018 - 2022

Porteur du projet ERC HotCores « Revealing the unknown planet within the Earth », 2022-2027

Thèses en cours

Thèses soutenues

Derniers dépôts dans dans LillOA (Lille Open Archive)

Publications

  1. J.-P. Gay, E. Ledoux, M. Krug, J. Chantel, A. Pakhomova, H.-P. Liermann, C. Sanchez-Valle, S. Merkel, Transformation microstructures in pyrolite under stress: Implications for anisotropy in subducting slabs below the 660 km discontinuity, Earth and Planetary Science Letters 604, 118015 (2023), [doi: 10.1016/j.epsl.2023.118015, LillOA]
  2. E. Kolesnikov, I. Kupenko, M. Achorner, C. Plückthun, H.-P. Liermann, S. Merkel, C. Sanchez-Valle, Strength and seismic anisotropy of textured FeSi at planetary core conditions, Frontiers in Earth Science 10, 974148 (2022), [doi: 10.3389/feart.2022.974148, LillOA]
  3. M. Krug, M. Saki, E. Ledoux, J.-P. Gay, J. Chantel, A. Pakhomova, R. Husband, A. Rohrbach, S. Klemme, C. Thomas, S. Merkel, C. Sanchez‐Valle, Textures Induced by the Coesite‐Stishovite Transition and Implications for the Visibility of the X‐Discontinuity, Geochemistry, Geophysics, Geosystems 23;10, e2022GC010544 (2022), [doi: 10.1029/2022gc010544, LillOA]
  4. E. Ledoux, F. Lin, L. Miyagi, A. Addad, A. Fadel, D. Jacob, f. béclin, S. Merkel, Deformation of Polycrystalline MgO Up to 8.3 GPa and 1270 K: Microstructures, Dominant Slip-Systems, and Transition to Grain Boundary Sliding, Frontiers in Earth Science 10, 849777 (2022), [doi: 10.3389/feart.2022.849777, LillOA]
  5. B. Yue, M. Krug, C. Sanchez-Valle, S. Merkel, F. Hong, C. Sanchez-Valle, Deformation and slip systems of CaCl2-type MnO2 under high pressure, Physical Review Materials 6, 053603 (2022), [doi: 10.1103/physrevmaterials.6.053603, LillOA]
  6. S. Merkel, S. Hok, C. Bolme, D. Rittman, K.J. Ramos, B. Morrow, H.J. Lee, B. Nagler, E. Galtier, E. Granados, A. Hashim, W.L. Mao, A.E. Gleason, S. Hok, Femtosecond Visualization of hcp-Iron Strength and Plasticity under Shock Compression, Physical Review Letters 127;20, 205501 (2021), [doi: 10.1103/physrevlett.127.205501, LillOA]
  7. J.-P. Gay, L. Miyagi, S. Couper, C. Langrand, D.P. Dobson, H.-P. Liermann, S. Merkel, Deformation of NaCoF3 perovskite and post-perovskite up to 30 GPa and 1013 K: implications for plastic deformation and transformation mechanism, European Journal of Mineralogy 33;5, 591-603 (2021), [doi: 10.5194/ejm-33-591-2021, LillOA]
  8. S. Tecklenburg, R. Colina-Ruiz, S. Hok, C. Bolme, E. Galtier, E. Granados, A. Hashim, H.J. Lee, S. Merkel, B. Morrow, B. Nagler, K. Ramos, D. Rittman, R. Walroth, W.L. Mao, A.E. Gleason, Ultrafast X-ray Diffraction Study of a Shock-Compressed Iron Meteorite above 100 GPa, Minerals 11;6, 567 (2021), [doi: 10.3390/min11060567, LillOA]
  9. H. Hwang, T. Kim, H. Cynn, T. Vogt, R.J. Husband, K. Appel, C. Baehtz, O.B. Ball, M.A. Baron, R. Briggs, M. Bykov, E. Bykova, V. Cerantola, J. Chantel, A.L. Coleman, D. Dattlebaum, L.E. Dresselhaus-Marais, J.H. Eggert, L. Ehm, W.J. Evans, G. Fiquet, M. Frost, K. Glazyrin, A.F. Goncharov, Z. Jenei, J. Kim, Z. Konôpková, J. Mainberger, M. Makita, H. Marquardt, E.E. McBride, J.D. McHardy, S. Merkel, G. Morard, E.F. O’Bannon, C. Otzen, E.J. Pace, A. Pelka, C.M. Pépin, J.S. Pigott, V.B. Prakapenka, C. Prescher, R. Redmer, S. Speziale, G. Spiekermann, C. Strohm, B.T. Sturtevant, N. Velisavljevic, M. Wilke, C.-S. Yoo, U. Zastrau, H.-P. Liermann, M.I. McMahon, R.S. McWilliams, Y. Lee, X-ray Free Electron Laser-Induced Synthesis of ε-Iron Nitride at High Pressures, The Journal of Physical Chemistry Letters 12;12, 3246-3252 (2021), [doi: 10.1021/acs.jpclett.1c00150, LillOA]
  10. H.P. Liermann, Z. Konôpková, K. Appel, C. Prescher, A. Schropp, V. Cerantola, R.J. Husband, J.D. McHardy, M.I. McMahon, R.S. McWilliams, C.M. Pépin, J. Mainberger, M. Roeper, A. Berghäuser, H. Damker, P. Talkovski, M. Foese, N. Kujala, O.B. Ball, M.A. Baron, R. Briggs, M. Bykov, E. Bykova, J. Chantel, A.L. Coleman, H. Cynn, D. Dattelbaum, L.E. Dresselhaus-Marais, J.H. Eggert, L. Ehm, W.J. Evans, G. Fiquet, M. Frost, K. Glazyrin, A.F. Goncharov, H. Hwang, Z. Jenei, J.-Y. Kim, F. Langenhorst, Y. Lee, M. Makita, H. Marquardt, E.E. McBride, S. Merkel, G. Morard, E.F. O'Bannon, C. Otzen, E.J. Pace, A. Pelka, J.S. Pigott, V.B. Prakapenka, R. Redmer, C. Sanchez-Valle, M. Schoelmerich, S. Speziale, G. Spiekermann, B.T. Sturtevant, S. Toleikis, N. Velisavljevic, M. Wilke, C.-S. Yoo, C. Baehtz, U. Zastrau, C. Strohm, Novel experimental setup for megahertz X-ray diffraction in a diamond anvil cell at the High Energy Density (HED) instrument of the European X-ray Free-Electron Laser (EuXFEL), Journal of Synchrotron Radiation 28;3, 688-706 (2021), [doi: 10.1107/s1600577521002551, LillOA]
  11. A. Zadoia, A. Arevalo Lopez, J. Sánchez-Benítez, M. Huvé, J.-F. Blach, S. Merkel, N. Hilairet, J. Chantel, M. Colmont, High pressure exploration in the Li–Ln–V–O system, Dalton Transactions 49, 13663-13670 (2020), [doi: 10.1039/d0dt02721a, LillOA]
  12. S. Merkel, A. Lincot, S. Petitgirard, Microstructural effects and mechanism of bcc-hcp-bcc transformations in polycrystalline iron, Physical Review B 102, 104103 (2020), [doi: 10.1103/PhysRevB.102.104103, LillOA]
  13. J. Immoor, H. Marquardt, L.M. Miyagi, S. Speziale, S. Merkel, I. Schwark, A. Ehnes, H.-P. Liermann, An improved setup for radial diffraction experiments at high pressures and high temperatures in a resistive graphite-heated diamond anvil cell, Review of Scientific Instruments 91;4, 045121 (2020), [doi: 10.1063/1.5143293, LillOA]
  14. C. Langrand, D. Andrault, S. Durand, Z. Konôpková, N. Hilairet, C. Thomas, S. Merkel, Kinetics and detectability of the bridgmanite to post-perovskite transformation in the Earth's D″ layer, Nature communications 10;1, (2019), [doi: 10.1038/s41467-019-13482-x, LillOA]
  15. S. Speziale, J. Immoor, A. Ermakov, S. Merkel, H. Marquardt, H.-P. Liermann, The equation of state of TaC0.99 by X-ray diffraction in radial scattering geometry to 32 GPa and 1073 K, Journal of Applied Physics 126, 105107 (2019), [doi: 10.1063/1.5115350, LillOA]
  16. B. Reynard, R. Caracas, H. Cardon, G. Montagnac, S. Merkel, High-pressure yield strength of rocksalt structures using quartz Raman piezometry, Comptes Rendus Geoscience 351;2-3, 71-79 (2019), [doi: 10.1016/j.crte.2018.02.001, LillOA]
  17. P. Raterron, C. Bollinger, S. Merkel, Olivine intergranular plasticity at mantle pressures and temperatures, Comptes Rendus Geoscience 351;2-3, 80-85 (2019), [doi: 10.1016/j.crte.2018.10.001, LillOA]
  18. J. Amodeo, S. Merkel, C. Tromas, P. Carrez, S. Korte-Kerzel, P. Cordier, J. Chevalier, Dislocations and Plastic Deformation in MgO Crystals: A Review, Crystals 8;6, 240 (2018), [doi: 10.3390/cryst8060240, LillOA]
  19. M. Roskosz, E. Deloule, J. Ingrin, C. Depecker, D. Laporte, S. Merkel, L. Remusat, H. Leroux, Kinetic D/H fractionation during hydration and dehydration of silicate glasses, melts and nominally anhydrous minerals, Geochimica et Cosmochimica Acta 233, 14-32 (2018), [doi: 10.1016/j.gca.2018.04.027, LillOA]
  20. J. Immoor, H. Marquardt, L. Miyagi, F. Lin, S. Speziale, S. Merkel, J. Buchen, A. Kurnosov, H.-P. Liermann, Evidence for {100}<011> slip in ferropericlase in Earth's lower mantle from high-pressure/high-temperature experiments, Earth and Planetary Science Letters 489, 251-257 (2018), [doi: 10.1016/j.epsl.2018.02.045, LillOA]
  21. M. Saki, C. Thomas, S. Merkel, J. Wookey, Detecting seismic anisotropy above the 410 km discontinuity using reflection coefficients of underside reflections, Physics of the Earth and Planetary Interiors 274, 170-183 (2018), [doi: 10.1016/j.pepi.2017.12.001, LillOA]

Liste complète (Le lien peut être lent)

Communications

  1. S. Merkel, M. Krug, E. Ledoux, J.-P. Gay, J. Chantel, S. Speziale, C. Sanchez-Valle, Multigrain X-ray Diffraction for the Study of Deformation and Phase Transformation Microstructures at Deep Mantle Pressures and Temperatures, Poster, American Geophysical Union fall meeting, Chicago, IL, Etats-Unis d'Amérique, Déc 2022 [LillOA]
  2. J.-P. Gay, S. Merkel, E. Ledoux, M. Krug, J. Chantel, A. Pakhomova, H.-P. Liermann, C. Sanchez-Valle, Multigrain X-ray Diffraction, Data Processing Techniques, and Microstructures in Pyrolite at Lower Mantle Conditions, Poster, American Geophysical Union fall meeting, Chicago, IL, Etats-Unis d'Amérique, Déc 2022 [LillOA]
  3. S. Merkel, J.-P. Gay, J.-K. Magali, E. Ledoux, M. Krug, J. Chantel, C. Sanchez-Valle, Microstructures and anisotropy in pyrolite at lower mantle pressures and temperatures, Communication dans un congrès sans actes, American Geophysical Union fall meeting, Chicago, IL, Etats-Unis d'Amérique, Déc 2022 [LillOA]
  4. S. Merkel, Models of anisotropy in the Earth mantle from multigrain crystallography experiments in the diamond anvil cell, Séminaire invité, Department of Geosciences at Stony Brook University Seminar, Online, Etats-Unis d'Amérique, Nov 2022 [LillOA]
  5. H. Ginestet, J. Chantel, A. Pommier, S. Merkel, Effets de pression et de température sur l'alliage de magnésium AZ61: diagramme de phase et équation d'état, Poster, Matériaux 2022, Lille, France, Oct 2022 [LillOA]
  6. S. Merkel, M. Baron, J. Chantel, G. Morard, G. Fiquet, C. Prescher, H.-P. Liermann, S. McWilliams, Nouvelles opportunités au laser à électron libre européen pour l’étude de l’intérieur de la terre et des planètes, Communication dans un congrès sans actes, Matériaux 2022, Lille, France, France, Oct 2022 [LillOA]
  7. J.-K. Magali, S. Merkel, E. Ledoux, Surface wave detectability of transition zone anisotropy induced by non-Newtonian mantle flow, Communication dans un congrès sans actes, EGU General Assembly, Vienna, Autriche, Mai 2022 [LillOA]
  8. J.-P. Gay, E. Ledoux, M. Krug, J. Chantel, C. Sanchez-Valle, S. Merkel, Microstructures and anisotropy in pyrolite at lower mantle pressures and temperature, Poster, Study of the Earth's Deep Interior, SEDI 2022, Zürich, Suisse, Juil 2022 [LillOA]
  9. J.-K. Magali, J.-P. Gay, S. Merkel, On the hunt for seismic anisotropy in the lower-mantle from the crystallographic preferred orientation of bridgmanite aggregates induced by large-scale flow, Poster, Study of the Earth's Deep Interior, SEDI 2022, Zürich, Suisse, Juil 2022 [LillOA]
  10. S. Merkel, Multigrain Crystallography in Diamond Anvil Cell Experiments: Application for Phase Transformation and Deformation Microstructures in Earth Mantle Minerals, Communication dans un congrès sans actes, 2022 Diffraction Microstructure Imaging Workshop, Washington, DC, Etats-Unis d'Amérique, Juin 2022 [LillOA]

Liste complète (Le lien peut être lent)

 
 
UMET - Unité Matériaux et Transformations
CNRS UMR 8207
Université de Lille
Bâtiment C6
59655 Villeneuve d'Ascq
France
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