The ebook RheoMan which summarizes the main results of the project is available for downloading:



(Click on the picture above and go to the bottom of the page)

  • R. Reali, J. van Orman, J. Pigott, J.M. Jackson, F. Boioli, P. Carrez & P. Cordier (2019) The role of diffusion-driven pure climb creep on the rheology of bridgmanite under lower mantle conditions. Scientific Reports, volume 9, 2053.


  • R. Reali, J.M. Jackson, J. Van Orman, D.J. Bower, P. Carrez & P. Cordier(2019) Modeling viscosity of (Mg,Fe)O at lowermost mantle conditions. Physics of the Earth and Planetary Interiors, 287, 65-75.


  • C. Bollinger, B.C. Nzogang, A. Mussi & P. Cordier (2019) Microstructural evidence for grain boundary migration in experimentally deformed forsterite aggregates. Minerals, 9(1), 17


  • K. Gouriet, P. Cordier, F. Garel, C. Thoraval, S. Demouchy, A. Tommasi & P. Carrez (2019) Dislocation dynamics modelling of the power-law breakdown in olivine single crystals: Toward a unified creep law for the upper mantle. Earth and Planetary Science Letters, 506, 282-291.


  • J. Amodeo, S. Merkel, C. Tromas, P. Carrez, S. Korte-Kerzel, P. Cordier & J. Chevalier (2018) Dislocations and Plastic Deformation in MgO Crystals: A Review. Crystals, 8, 240, 




  • B. Nzogang, S. Thilliez, A. Mussi, T. Kawazoe, N. Miyajima, J. Bouquerel & P. Cordier (2018) Application of Scanning Precession Electron Diffraction in the Transmission Electron Microscope to the characterization of deformation in wadsleyite and ringwoodite. Minerals, 8, 153; doi:10.3390/min8040153 Open access





  • A. Tommasi, A.M. Goryaeva, Ph. Carrez, P. Cordier & D. Mainprice (2018) Deformation, crystal preferred orientations, and seismic anisotropy in the Earth’s D" layer. Earth and Planetary Science Letters, 492, 35-46. Open access


  • X-Y. Sun, C. Fressengeas, V. Taupin, P. Cordier & N. Combe (2018) Disconnections, dislocations and generalized disclinations in grain boundary ledges. International Journal of Plasticity, Open access


  • B. Nzogang, J. Bouquerel, P. Cordier, A. Mussi, J. Girard & S-I Karato (2018) Characterization of bridgmanite and ferropericlase aggregates deformed at HP-HT by Scanning Precession Electron Diffraction. Geochemistry, Geophysics, Geosystems, 19, 582-594. Open access


  • S. Ritterbex, P. Hirel & Ph. Carrez (2018) On low temperature glide of dissociated〈1 1 0〉 dislocations in strontium titanate, Philosophical Magazine, 98, 1397-1411, Open access


  • A. Davaille, Ph. Carrez & P. Cordier (2018) Fat plumes may reflect the complex rheology of the lower mantle. Geophysical Research Letters, 45, 1-6. Open access





  • Ph. Carrez, A.M. Goryaeva & P. Cordier (2017) Prediction of Mechanical Twinning in Magnesium Silicate Post-Perovskite. Scientific Reports, 7, 17640, doi : 10.1038/s41598-017-18018-1 Open access .










  • P. Carrez & P. Cordier (2017) Plastic Deformation of Materials under Pressure, MRS Bulletin, 42, 714-717, doi:10.1557/mrs.2017.213.




  • A. Mussi, P. Cordier, S. Demouchy, B. Hue (2017) Hardening mechanisms in olivine single crystal deformed at 1090 °C: an electron tomography study". Philosophical Magazine, 97(33), 3172-3185, doi:10.1080/14786435.2017.1367858 Open access .



  • X-Y. Sun, P. Cordier, V. Taupin, C. Fressengeas & B. Karki (2017) Continuous description of grain boundaries using crystal defect fields: the example of a 310/[001] tilt boundary in MgO. European Journal of Mineralogy, 29(2), 155-165, doi: 10.1127/ejm/2017/0029-2609 Open access .


  • S. Mahendran, P. Carrez, S. Groh & P. Cordier (2017) Dislocation modelling in Mg2SiO4 forsterite: an atomic-scale study based on the THB1 potential, Modelling and Simulation in Materials Science and Engineering 25(5), 054002, doi: 10.1088/1361-651X/aa6efa  Highlight MSMSE 2017 Open access .


  • S. Jahn & X.-Y. Sun (2017) Atomic-scale modelling of crystal defects, self-diffusion and deformation processes. In Mineral reaction kinetics: Microstructures, textures, chemical and isotopic signatures (W. Heinrich and R. Abart, editors) EMU Notes in Mineralogy - Volume 16, chapter 8, pp 215-253. Doi : 10.1180/EMU-notes.16.8




  • F. Boioli, P. Carrez, P. Cordier, B. Devincre, K. Gouriet, P. Hirel, A. Kraych, S. Ritterbex (2017) Pure climb creep mechanism drives flow in the Earth’s lower mantle. Science Advances, 3, e1601958, DOI : 10.1126/sciadv.1601958  Open access .




  • R. Reali, F. Boioli, K. Gouriet, P. Carrez, B. Devincre & P. Cordier (2017) Modeling plasticity of MgO by 2.5D dislocation dynamics simulations. Material Science & Engeneering A, 690, 52-61, . Open access .


  • X-Y. Sun, V. Taupin, P. Cordier, C. Fressengeas & B. Karki (2016) Influence of pressure on dislocation, disclination and g-disclination structures of a 310/[001] tilt boundary in MgO. Journal of Materials Research, 31(20), 3108-3114, doi: 10.1557/jmr.2016.346 INVITED FEATURE PAPER Open access



  • A.M. Goryaeva, Ph. Carrez & P. Cordier (2016) Low viscosity and high attenuation in MgSiO3 post-perovskite inferred from atomic-scale calculations. Scientific Reports, 6, 34771, doi : 10.1038/srep34771 Open access .






  • S. Ritterbex, Ph. Carrez & P. Cordier (2016) Modeling dislocation glide and lattice friction in Mg2SiO4 wadsleyite in conditions of the Earth’s transition zone. Americal Mineralogist, 101(9), 2085-2094, doi: 10.2138/am-2016-5578CCBYNCND Editors Selections of American Mineralogist, September 2016 Open access


  • A. Kraych, Ph. Carrez & P. Cordier (2016) On dislocation glide in MgSiO3 bridgmanite, Earth and Planetary Science Letters, 452, 60-68, doi: 10.1016/j.epsl.2016.07.035 Open access


  • X-Y. Sun, P. Cordier, V. Taupin, C. Fressengeas & S. Jahn (2015) Continuous description of a grain boundary in forsterite from atomic scale simulations: the role of disclinations. Philosophical Magazine, 96(17), 1757-1772, doi: 10.1080/14786435.2016.1177232 Open access


  • P. Hirel, Ph. Carrez & P. Cordier (2016) From glissile to sessile: effect of temperature on <110> dislocations in perovskite materials, Scripta Materialia, 120, 67-70, doi: 10.1016/j.scriptamat.2016.04.001 Open access




  • H. Idrissi, C. Bollinger, F. Boioli, D. Schryvers & P. Cordier (2015) Low-temperature plasticity of olivine revisited with in situ TEM nanomechanical testing, Science Advances, 2, e1501671, DOI : 10.1126/sciadv.1501671 Open access




  • P. Hirel, P. Carrez, E. Clouet & P. Cordier (2016) The electric charge and climb of edge dislocations in perovskite oxides: the case of high-pressure MgSiO3 bridgmanite, Acta Materialia, 106, 313-321, doi: 10.1016/j.actamat.2016.01.019 Open access


  • A. Kraych, Ph. Carrez, P. Hirel, E. Clouet, & P. Cordier (2016) Peierls potential and kink-pair mechanism in high-pressure MgSiO3 perovskite: an atomic scale study, Physical Review B, 93, 014103, doi: 10.1103/PhysRevB.93.014103  Open access


  • A. Mussi, M. Nafi, P. S. Demouchy & Cordier (2015) On the deformation mechanism of olivine single crystals at lithospheric temperatures: an electron tomography study. European Journal of Mineralogy. 27, 707-715, doi:10.1127/ejm/2015/0027-2481 Open access


  • X-Y. Sun, V. Taupin, C. Fressengeas & P. Cordier (2016) Continuous description of the atomic structure of grain boundaries using dislocation and generalized-disclination density fields. International Journal of Plasticity, 77, 75-89, doi: 10.1016/j.ijplas.2015.10.003 Open access


  • F. Boioli, A. Tommasi, P. Cordier, S. Demouchy, A. Mussi (2015) Steady state and low stresses in the lithospheric mantle inferred from dislocation modeling of creep in olivine. Earth and Planetary Science Letters, 432, 232-242, doi : 10.1016/j.epsl.2015.10.01 Open access


  • S. Ritterbex, Ph. Carrez, K. Gouriet & P. Cordier (2015) Modeling dislocation glide in Mg2SiO4 ringwoodite: Towards rheology under transition zone conditions. Physics of the Earth and Planetary Interiors, 248, 20-29. Open access


  • K. Gouriet, N. Hilairet, E. Amiguet, N. Bolfan-Casanova, Y. Wang, B. Reynard & P. Cordier (2015) Plasticity of the dense hydrous magnesium silicate Phase A at subduction zones conditions. Physics of the Earth and Planetary Interiors, 248, 1-11. doi:10.1016/j.pepi.2015.09.004 Open access

  • K. Gouriet, P. Carrez, P. Cordier, A. Guitton, A. Joulain, L. Thilly & C. Tromas (2015) Dislocation modelling in Ti2AlN MAX phase based on the Peierls-Nabarro model. Philosophical Magazine, 95(23), 2539-2552 doi : 10.1080/14786435.2015.1066938  


  • F. Boioli, Ph. Carrez, P. Cordier, B. Devincre & M. Marquille, (2015) Modeling the creep properties of olivine by 2.5-D dislocation dynamics simulations. Physical Review B, 92(1) 014115, doi: 10.1103/PhysRevB.92.014115. Open access


  • A.M. Goryaeva, Ph. Carrez & P. Cordier (2015) Modeling defects and plasticity in MgSiO3 post-perovskite: 1- Generalized stacking faults. Physics and Chemistry of Minerals, 42:781–792, doi: 10.1007/s00269-015-0762-9 Open access


  • A.M. Goryaeva, Ph. Carrez & P. Cordier (2015) Modeling defects and plasticity in MgSiO3 post-perovskite: 2- screw and edge [100] dislocations. Physics and Chemistry of Minerals, 42:793–803 , doi: 10.1007/s00269-015-0763-8. Open access


  • P. Carrez, J. Godet & P. Cordier (2015) Atomistic simulations of ½<110> screw dislocation core in magnesium oxide. Computational Materials Science, 103, 250-255, doi:10.1016/j.commatsci.2014.10.019  Open access


  • P. Cordier (2015) News & Views - Strength under pressure. Nature Geoscience, 8, 255-256, doi:10.1038/ngeo2402.


  • J. Amodeo, B.S.A. Schuberth, H.–P. Bunge, Ph. Carrez & P. Cordier (2015) On the role of thermal heterogeneities on the rheology of MgO under conditions of the Earth’s lower mantle. Physics of the Earth and Planetary Interiors, 242, 1-8 Open access


  • S. Merkel & P. Cordier (2016) Deformation of core and mantle materials in “Deep Earth: Physics and Chemistry of the Lower Mantle and Core” Eds: Hidenori Terasaki, Rebecca Fischer.  AGU Monograph, Wiley, 312pp, 89-100.


  • A. Mussi, P. Cordier & S. Demouchy (2015) Characterization of dislocation interactions in olivine using electron tomography Philosophical Magazine 95:335-345. doi: 10.1080/14786435.2014.1000996


  • P. Carrez, J. Godet & P. Cordier (2014) Atomistic simulations of ½<110> screw dislocation core in magnesium oxide. Computational Materials Science, accepted, doi: 10.1016/j.commatsci.2014.10.019  Open access


  • A. Mussi, P. Cordier, S. Demouchy & C. Vanmansart (2014) Characterization of the glide planes of the [001] screw dislocations in olivine using electron tomography, Physics and Chemistry of Minerals 41, 537-545, doi:10.1007/s00269-014-0665-1  Open access


  • B. Journaux, R. Caracas, P. Carrez, K. Gouriet, P. Cordier, I. Daniel (2014) Elasticity and dislocations in ice X under pressure, Physics of the Earth and Planetary Interiors, 236, 10-15, doi: 10.1016/j.pepi.2014.08.002


  • P. Hirel, A. Kraych, P. Carrez & P. Cordier (2014) Atomic core structure and mobility of [100](010) and [010](100) dislocations in MgSiO3 perovskite. Acta Materialia, 79, 117-125, doi: 10.1016/j.actamat.2014.07.001  Open access




  • P. Cordier, S. Demouchy, B. Beausir, V. Taupin, F. Barou & C. Fressengeas (2014) Disclinations provide the missing mechanism for deforming olivine-rich rocks in the mantle.507, 51-56, DOI : 10.1038/nature13043.


See also the News & Views from Greg Hirth related to this publication

as well as the  2014 Editor' choice





  • J. Amodeo, B. Devincre, Ph. Carrez and P. Cordier (2014) Dislocation reactions, plastic anisotropy and forest strengthening in MgO at high temperature. Mechanics of Materials, 71, 62-73.



  • K. Gouriet, P. Carrez & P. Cordier (2014)  Modelling [100] and [010] screw dislocations in MgSiO3 perovskite based on the Peierls-Nabarro-Galerkin model. Modelling and Simulation in Materials Science and Engineering, 025020 (17pp) doi:10.1088/0965-0393/22/2/025020.  Open access 


Publications related to the project


  • P. Hirel, A. F. Mark, M. Castillo-Rodriguez, W. Sigle, M. Mrovec, & C. Elsässer (2015) Theoretical and experimental study of the core structure and mobility of dislocations and their influence on the ferroelectric polarization in perovskite KNbO3. Physical Review B 92, 214101. DOI: 10.1103/PhysRevB.92.214101


  • N. Garvik, Ph. Carrez & P. Cordier (2014) Numerical modeling of the core structure of [100] dislocations in Fe3C cementite. Scripta Materialia, 99, 61-64


  • N. Garvik, P. Carrez, P. Cordier (2013) First-principles study of the ideal strength of Fe3C cementite, Materials Science and Engineering: A 572 pp. 25-29. Doi: 10.1016/j.msea.2013.02.028





See also the News & Views from Andrew Walker








This work was supported by funding from the European Research Council under the Seventh Framework Programme (FP7), ERC grant N°290424 – RheoMan.