H4O and other hydrogen-oxygen compounds at giant-planet core pressures

@article{Zhang2013H4OAO,
  title={H4O and other hydrogen-oxygen compounds at giant-planet core pressures},
  author={Shuai Zhang and Hugh F. Wilson and Kevin P Driver and Burkhard Militzer},
  journal={Physical Review B},
  year={2013},
  volume={87},
  pages={024112}
}
  • Shuai Zhang, Hugh F. Wilson, +1 author Burkhard Militzer
  • Published 2013
  • Physics
  • Physical Review B
  • Water and hydrogen at high pressure make up a substantial fraction of the interiors of giant planets. Using ab initio random structure search methods we investigate the ground-state crystal structures of water, hydrogen, and hydrogen-oxygen compounds. We find that, at pressures beyond 14 Mbar, excess hydrogen is incorporated into the ice phase to form a novel structure with H4O stoichiometry. We also predict two new ground state structures, P2_1/m and I4/mmm, for post-C2/m water ice. 

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