Recherche/Research

 
 

Mots-clés/Key words: Solid state physics, thermodynamics, ab initio computation of material properties, equations of state, global Earth composition, mantle mineralogy, mantle phase transitions, chemistry of the core, interpretations of seismic radial profiles and tomography, vibrational modeling, inverse problem theory, relaxation processes in the mantle, seismic attenuation

 

Publications/Publications:


Lekic, V., Matas, J., Lateral variation of lower mantle attenuation constrained from velocity distribution, in prep, 2013


Durand, S, Matas, J., Ford, S.R., Ricard, Y., Romanowicz, B., Montagner, J.-P., Insights from ScS-S measurements on deep mantle attenuation, Earth Planet Sci. Lett., in press, 2013


Durand, S., Chambat, F., Matas, J., Ricard, Y., Constraining the kinetics of mantle phase changes with seismic data, Geophys. J. Int., doi: 10.1111/j.1365-246X.2012.05417.x, 2012


Lekic, V., Matas, J., Panning, M., Romanowicz, B., Reply to "Comment on 'Measurement and implications of frequency dependence of attenuation'" by I. Morozov, Earth Planet. Sci. Lett., 293, 216-217, doi: 10.1016/j.epsl.2010.02.039, 2010


Ricolleau, A., Perrillat, J.-P., Fiquet, G., Daniel I., Matas, J., Addad, A., Menguy, N., Cardon, H., Mezouar, M., Guignot, N., Phase relations and equation-of-state of a natural MORB: implications for the density profile of subducted oceanic crust in the Earth's lower mantle, J. Geophys. Res., doi: 10.1029/2009JB006709, 2010


Ricard, Y., Matas, J., Chambat, F., Seismic attenuation in a phase change coexistenceloop, Phys. Earth Planet. Inter., doi: 10.1016/j.pepi.2009.04.007, 2009


Lekic, V., Matas, J., Panning, M., Romanowicz, B., Measurement and implications of frequencydependence of attenuation, Earth Planet. Sci. Lett., 282, 285-293, doi: 10.1016/j.epsl.2009.03.030, 2009


Matas, J. and Bukowinski, M.S.T, On the anelastic contribution to the temperature dependence of lower mantle seismic velocities, Earth Planet. Sci. Lett., 10.1016/j.epsl.2007.04.028, 2007


Matas, J., Bass, J.D., Ricard, Y., Mattern, E., and Bukowinski, M.S.T, On the lower mantle temperature and composition: predictions and limitations from generalized inversion of radial seismic profiles, Geophys. J. Int., doi: 10.1111/j.1365-246X.2007.03454.x, 2007


Ricard, Y., Mattern, E. and Matas, J., Mineral Physics in Thermo-Chemical Mantle Models, in Composition, Structure and Evolution of the Earth Mantle, AGU monograph, eds. Hilst, R., Bass, J.D., Matas, J., Trampert, J., -300, 2005


Hilst, R.D., Bass, J.D., Matas, J., Trampert, J., Changing views on the Structure, Composition, and Evolution of Earth's Deep Mantle, in Composition, Structure and Evolution of the Earth Mantle, AGU monograph, eds. Hilst, R., Bass, J.D., Matas, J., Trampert, J., 5-9, 2005


Mattern, E., Matas, J., Ricard, Y., and Bass, J.D., Lower mantle composition and temperature from mineral physics and thermodynamic modeling, Geophys. J. Int.,973-990, 2005.


Fiquet, G., Guyot, F., Kunz, M., Matas, J., Andrault, D., Hanfland, M., Structural rafinements of magnesite at very high pressure, Amer. Mineral.,87, 1261-1265, 2002.


Bunge P., Ricard, Y., Matas, J., Non-adiabaticity in mantle convection, Geophys. Res. Lett., 28, 879-882, 2001.


Akber, S., Bukowinski, M.S.T., Matas, J., On the structure and compressibility of CaSiO3 perovskite, Geophys. Res. Lett.,29,  2001.


Matas, J., . Ricard, L. Lemelle, F. Guyot, An improved thermodynamic model of metal-olivinepyroxene stability domains, Contrib. Mineral. Petrol., 140, 73-83, 2000.


Matas, J., . Gillet, Y. Ricard, I. Martinez, Thermodynamic properties of carbonates at high pressures from vibrational modelling, Eur. J. Miner., 12, 703-720, 2000.


Gillet, Ph., Daniel, I., Guyot, F., Matas, J.,Chervin, J.C., A thermodynamic model for MgSiO3-perovskite derived from pressure, temperature and volume dependences of the Raman mode frequences, Phys. Earth Planet. Inter., 117, 361-384, 2000.


Guyot F., Gillet, Ph., Matas, J. and Ricard, Y. Modèles thermodynamiques de Terre. Bulletin de Société Géologique de France, 170, 57-68, 1999.


Gillet, Ph., Matas, J., Guyot, F., and Ricard, Y., Thermodynamic properties of minerals at high pressures and high temperatures from vibrational spectroscopic data. In: Microscopic properties and processes in minerals, NATO ASI Series, K. Wright and R. Catlow (eds.), 71-92, 1999.


Martinez, I., Chamorro-Perez, E.M., Matas, J., Gillet, Ph., and Vidal, G., Experimental investigation of silicate-carbonate system at high pressure and high temperature, J. Geophys. Res., 103, 5143-5163, 1998.


Guyot, F., Zhang, J., Martinez, I., Matas, J.,, Y., and Javoy, M., PVT measurements of fersilicite (FeSi). Implications for silicate-metal interactions in the early Earth, Eur. J. Mineral.,9, 277-285, 1997.

Collaborations actuelles/Current collaborations:


Ved Lekic - University of Maryland

Barbara Romanowicz - University of California, Berkeley / Collège de France

Guillaume Fiquet - Université Pierre et Marie Curie, Paris 6

Stéphanie Durand/Yanick RIcard/Frédéric Chambat - Université de Lyon