Hydrogen sulfide at high pressure: Change in stoichiometry

Alexander F. Goncharov,1,2,3 Sergey S. Lobanov,2,4 Ivan Kruglov,5,6 Xiao-Miao Zhao,2,7,8 Xiao-Jia Chen,1,2,8 Artem R. Oganov,5,6,9,10,11 Zuzana Konôpková,12 and Vitali B. Prakapenka13 1Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, Anhui 230031, China 2Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC 20015, USA 3University of Science and Technology of China, Hefei, 230026, China 4V. S. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk 630090, Russia 5Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia 6All-Russia Research Institute of Automatics, Moscow 127055, Russia 7Department of Physics, South China University of Technology, Guangzhou 510640, China 8Center for High Pressure Science and Technology Advanced Research, Shanghai 201203, China 9Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, Moscow 143026, Russia 10Department of Geosciences, Center for Materials by Design, and Institute for Advanced Computational Science, State University of New York, Stony Brook, New York 11794-2100, USA 11Northwestern Polytechnical University, Xi’an 710072, China 12DESY Photon Science, Notkestrasse 85, D-22607 Hamburg, Germany 13Center for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, USA (Received 24 January 2016; revised manuscript received 13 April 2016; published 10 May 2016)