Unraveling the Physics and Chemistry of Water-Rich Mixtures at Extreme Pressures and Temperatures

Marius Millot | 19-ERD-031

Executive Summary

We are developing two new laser-driven dynamic compression platforms that will enable the unraveling of the new physics and chemistry of low atomic number mixtures, such as those rich in water, at unprecedented extreme temperatures and pressures. Results from the experiments will provide a better understanding of planet formation and evolution and provide insights into the properties of matter under extreme conditions.

Publications, Presentations, and Patents

Kim, Y. J., et al. 2020a. "Interferometric measurements of refractive index and dispersion at high pressure." Review of Scientific Instruments. doi:10.1002/app.22724. LLNL-JRNL-812490

———2020b. "Refractive index of H2O-NH3 mixtures at high pressure in diamond anvil cell." Presented to the The Laboratory for Laser Energetics (LLE), the University of Rochester, Rochester, NY, January 2020. LLNL-PRES-801338

———2020c. "Study on shock growth of ice VI with dynamic diamond anvil cell (dDAC)." Exotic Forms of Ice: In the Laboratory and Throughout the Universe Workshop, Chattanooga, TN, October 2019. LLNL-POST-792862

Millot, M. 2020a. "Laser-driven dynamic compression of planetary constituent materials: giant Lasers, giant impacts and giant planets." 47th European Physical Society Conference on Plasma Physics (EPS2020). LLNL-ABS-805674

———2020b. "Laser-driven shock compression of minerals: recreating giant impacts in the laboratory." Presented to the Institute for Planetary Materials (IPM), Okayama University, Japan, February 2020. LLNL-PRES-805724

———2020c. "Laser-driven shockwave compression to explore new states of matter at planetary interior conditions." Ice Giant Systems 2020. LLNL-ABS-797459

———2020d. "Recreating Giants Impacts in the Laboratory: Shock Compression of MgSiO3 Bridgmanite to 14 Mbar." Geophys. Res. Lett. 47. doi:10.1029/2019GL085476. LLNL-JRNL-791580

———2020e. "Recreating planetary interiors with giant lasers." SPRING8, Hyogo, Japan, February 2020. LLNL-PRES-806044

———2020f. "Recreating planetary interiors with giant lasers." Presented to Imperial College London, London, UK, January 2020. LLNL-PRES-801418

———2020g. "The discovery of superionic water ice." Presented to University College London, London, UK, January 2020. LLNL-PRES-802187

Wadas, M. J., et al. 2020. "A semianalytical framework for 1D shock hydrodynamics with applications to dynamic compression experiments." APS Division of Plasma Physics Meeting 2019, Fort Lauderdale, FL, October 2019. LLNL-POST-794699