Publications

ARTICLES

C. Nisr, S.-H. Dan Shim, K. Leinenweber, A. Chizmeshya, V. Prakapenka, C. Prescher, S. Tkachev, Y. Meng, and Z. Liu. Geophysical implications of dense polymorphs in Si1- xH4xO2. PNAS, 117, 2020, doi:10.1073/pnas.1917448117.

C. Nisr, S.-H Dan Shim, K. Leinenweber and A. Chizmeshya. Raman spectroscopy of water-rich stishovite and dense high-pressure silica up to 55 GPa. American Mineralogist, 102, 2017, doi:10.2138/am-2017-5944.

C. Nisr, K. Leinenweber, V. Prakapenka and C. Prescher, S. Tkachev and S.-H Dan Shim, Phase Transition and Equation of State of Dense Hydrous Pure up to 63 GPa. J. Geophys. Res., 122, 2017, doi:10.1002/2017JB014055.

C. Langrand, N. Hilairet, C.Nisr, M. Roskoz, G. Ribarik, G. Vaughan and S. Merkel. Reliability of multigrain indexing for orthorhombic polycrystals above 1 Mbar: application to MgGeO3 post-perovskite. J. Appl. Cryst., 50, 2017, doi:10.1107/S1600576716018057.

C. Nisr, Y. Meng, A. A. MacDowell, J. Yan, V. Prakapenka and S.-H Dan Shim, Thermal expansion of SiC at high pressure-temperature and implications for thermal convection in the deep interiors of carbide exoplanets. J. Geophys. Res.: Planets, 122, 2017, doi:10.1002/2016JE005158.

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan and S. Merkel, Three dimensionnal x-ray diffraction in the diamond anvil cell: application to stishovite, High Pressure Research, 34,  158-166, 2014, doi:10.1080/08957959.2014.885021.

A. D. Rosa, C. Sanchez-Valle, C. Nisr, S. R. Evans, R. Debord and S. Merkel, Shear wave anisotropy in textured phase D and constraints on deep water recycling in subduction zones, Earth Planet. Sc. Lett. 377-378, 13-22, 2013, doi:10.1016/j.epsl.2013.06.036.

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan, P. Cordier and S. Merkel, High resolution three-dimensionnal X-ray diffraction study of dislocations in grains of MgGeO3 post-perovskite at 90 GPa, J. Geophys. Res. 117, B03201, 2012, doi:10.1029/2011JB008401.

CONFERENCES

S.-H Dan Shim, C. Nisr, T. Kim, Y.J. Lee,  A. Chizmeshya, K. Leinenweber, S. Chariton,  V. Prakapenka, S. Speziale, Z. Liu, and H.P. Liermann (2021). Mineral-Water Reaction at High Pressures—Implications for Uranus and Neptune. Lunar and Planetary Science Conference, March 15-19, 2021.

C. Nisr, S.-H Dan Shim, K. Leinenweber and A. Chizmeshya (2017). Raman spectroscopy of water-rich stishovite and dense high-pressure silica up to 55 GPa. American Geophysical Union fall meeting: New Orleanso, LA, USA, December 11-15, 2017.

C. Nisr, S.-H Dan Shim, K. Leinenweber, R. Hervig, V. Prakapenka, Y. Meng and Z. Liu (2015). Equation of State of Hydrous Silica, Si_0.954O₂H_0.184, up to 63 GPa. American Geophysical Union fall meeting: San Francisco, CA, USA, December 14-18, 2015.

S.-H Dan Shim, C. Nisr, M. Pagano, H. Chen, B. Ko, S. Noble, K. Leinenweber, P. Young and S. Desh (2015). Un-Earth-like interiors of the Earth-like planets. American Geophysical Union fall meeting: San Francisco, CA, USA, December 14-18, 2015.

S.-H Dan Shim, C. Nisr, H. Chen, B. Ko, M. Pagano, S. Desh and P. Young. Un-Earth-like interiors of the Earth-like planets (2015). Comparative Tectonics and Geodynamics of Venus, Earth, and Rocky Exoplanets: Pasadena, CA, USA, 2015.

C. Nisr, S.-H. D. Shim, K. Leinenweber, R. Hervig, V. Prakapenka, Y. Meng and Z. Liu (2014). Water in dense pure SiO2 polymorphs up to 70 GPa and 2000 K. American Geophysical Union fall meeting: San Francisco, CA, USA, December 15-19, 2014

S. Merkel, A. Lincot, C. Nisr, M. Hanfland and A. Zerr (2014). Shear deformation of Fe polycrystals in the rotational diamond anvil cell. American Geophysical Union fall meeting: San Francisco, CA, USA, December 15-19, 2014 

C. Nisr, S.-H. D. Shim and V. Prakapenka (2014). Thermal expansion of SiC in the deep interiors of carbides exoplanets. Search for life beyond the solar system: Exoplanets, Biosignatures & Instruments: Tucson, AZ, USA, March 16-21, 2014

C. Nisr, S.-H. D. Shim, K. Leinenweber and V. Prakapenka (2013). Effect of water on the compressional behaviors of SiO2 stishovite up to 30 GPa. American Geophysical Union fall meeting: San Francisco, CA, USA, December 9-14, 2013

Merkel, C. Nisr, G. Ribarik, T. Ungar, G. Vaughan and P. Cordier (2013).                  Application of Line Profile Analysis for the study of dislocations in deep earth minerals. TMS: San Antonio, TX, USA, March 3-7, 2013.

S. Merkel, C. Nisr, G. Vaughan, G. Ribarik, T. Ungar and P. Cordier (2012). 3D X-Ray Diffraction in the Diamond Anvil Cell. EMC2012, Francfort, Germany: Septembre 2-6, 2012

S. Merkel, C. Nisr, G. B. M. Vaughan, G. Ribárick, T. Ungár and P. Cordier (2012). 3D X-Ray Diffraction and In-Situ Microstructural Studies in the Diamond Anvil Cell. Gordon Research Conference on Research at High Pressure, Biddeford, ME, USA: June 24-29 2012

S. Merkel, C. Nisr, G. Vaughan, G. Ribarik, T. Ungar and P. Cordier (2011). 3-D X-ray diffraction in the diamond anvil cell: Tracking single grains above 100 GPa. American Geophysical Union fall meeting: San Francisco, CA, USA, December 4-9, 2011 

S. Merkel, C. Nisr, G. Ribarik, T. Ungar, G. Vaughan and P. Cordier (2011). In situ experimental study of dislocations in minerals at high pressure GPa. American Geophysical Union fall meeting: San Francisco, CA, USA, December 4-9, 2011 

S. Merkel, C. Nisr, P. Cordier, G. Ribarik, T. Ungar and G. Vaughan (2011). In situ 3D X-ray diffraction study of stresses and dislocations in polycrystals under high pressure: application to MgGeO3 post-perovskite at 80 GPa. MecaSens: Hamburg, Germany, September 7-9, 2011 

C. Nisr, S. Merkel, P. Cordier, G. Ribarik, T. Ungar and G. Vaughan (2011). High resolution three-dimensionnal X-ray diffraction study of dislocations in grains of MgGeO3 post-perovskite at 90 GPa. Plasticity conference: Lille, France, April 4-6, 2011 

G. Ribarik, C. Nisr, T. Ungar, G. B. M. Vaughan, P. Cordier, S. Merkel (2011). Microstructure of MgGeO3 post-perovskite at 90 GPa determined by 3D X-ray diffraction. TMS Annual Meeting & Exhibition: San Diego, CA, USA, February 2 –March 3, 2011 

A. D. Rosa, C. Sanchez-Valle, C. Nisr, C. Bolllinger and S. Merkel (2010). Deformation mechanisms in phase D to 45 GPa and implications for the seismic anisotropy in deep subducted slabs. American Geophysical Union fall meeting: San Francisco, CA, USA, December 13-17, 2010 

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan, P. Cordier and S. Merkel (2010). Experimental study of dislocations in grains of MgGeO3 post-perovskite at 90 GPa. American Geophysical Union fall meeting: San Francisco, CA, USA, December 13-17, 2010

S. Merkel, C. Nisr, G. Ribarik, T. Ungar, G. Vaughan and P. Cordier (2010). A new method for the experimental study of dislocations in high pressure minerals. American Geophysical Union fall meeting: San Francisco, CA, USA,: December 13-17, 2010 

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan, P. Cordier and S. Merkel (2010). Experimental study of dislocations in MgGeO3 post-perovskite at 90 GPa. Gordon Research Conference on Research at High Pressure: Massachusetts, NH, USA, June 27–July 2, 2010 

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan, P. Cordier and S. Merkel (2010) X-Ray line profile analysis of MgGeO3 post-perovskite deformed at 90 GPa and studied using three dimensional X-ray diffraction. XIII International Conference on Experimental Mineralogy Petrology Geochemistry: Toulouse, France, April 12-14, 2010 

C. Nisr, G. Ribarik, T. Ungar, G. Vaughan, P. Cordier and S. Merkel (2009). Three dimensional X-ray diffraction study of MgGeO3 post-perovskite plastically deformed at 90 GPa. XLVII European High Pressure Research Group Meeting: Paris, France, September 6-11, 2009

C. Nisr and S. Merkel (2009). In situ observation of iron properties up to 50 GPa deformed in Diamond Anvil Cell with synchrotron radiation X-Rays. 41st Crystallography Course: Erice, Italy, June 4-14, 2009