Stable at 1.6–2.4 GPa
First confirmed stable KCl monohydrate under high pressure, providing a new phase for brine chemistry and mantle convection in water-rich planets.
Wei, Xinmiao · Zhou, Qiang · Li, Fangfei · Zhang, Caizi · Fuxing, Sun · Zhang, Zihan · Ruiyu, Li · Yu, Hongyu · Yan, Yalan · Li, Liang · Liermann, H. P. · Speziale, Sergio · Li, Xinyang
Journal of Geophysical Research E: Planets 2023
Single crystal synthesized at 298 K and 1.8 GPa, structure solved as monohydrate in P21/n space group
Stability verified by Raman spectroscopy and density functional theory