24-28 Sep 2017 Saint Malo (France)
Hydrogen bond symmetrisation in filled ice methane hydrates under high pressures
Richard Gaal  1, @  , Umbertoluca Ranieri  2, @  , Fabio Finocchi  3, @  , Sofiane Schaack  3, @  , Philippe Deponddt  3, @  , Philippe Gillet  4, @  , Livia Bove  4, @  
1 : Earth and Planetary Science Laboratory  (EPSL)  -  Website
EPFL SB ICMP EPSL PH D2 435 (Bâtiment PH) Station 3 CH-1015 Lausanne, Switzerland -  Switzerland
2 : Institut Laue-Langevin  (ILL)
Ecole Polytechnique Fédérale de Lausanne
CS 20156, 38042 Grenoble -  France
3 : Institut des Nanosciences de Paris  (INSP)  -  Website
Université Pierre et Marie Curie - Paris 6, Centre National de la Recherche Scientifique : UMR7588
Université Pierre et Marie Curie Case 840 4 place Jussieu 75252 Paris Cedex 05 -  France
4 : Earth and Planetary Science Laboratory, Ecole Polytechnique Fédérale de Lausanne  (EPSL EPFL)
Station 3, 1015 Lausanne -  Switzerland

We report the results of Raman spectroscopy measurements and molecular dynamics simulation including nuclear quantum effects on methane hydrate high pressure phases up to 150 Gpa. We have found signatures of hydrogen bond symmetrisation and new high pressure phases.

 

Subject : : Poster
Topics : Posters: Volatiles in Planetary Interiors
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