Both hydrogen and xenon form unusual phases at very high pressures. Researchers have now observed that an unexpectedly stable compound forms when a hydrogen-rich mixture of the two gases is subjected to pressures in the gigapascal range. Xenon dimers and other unusual bonding states are revealed in this compound, which is stable to megabar pressures.
- Maddury Somayazulu
- Przemyslaw Dera
- Russell J. Hemley