Laser-driven reverberation shock experiments on diamond

POSTER

Abstract

The equation-of-state and phase relation in extreme conditions is essential information in planetary science and inertial confinement fusion. Numerous experimental and computational studies have been conducted on diamonds in a wide range of pressures and temperatures so far. However, the off-Hugoniot states of diamonds are still not yet understood experimentally. In this study, we conducted laser-driven reflected/reverberated shock experiments to obtain well-defined, low-entropy compression state data. By using platinum foil as a reshock anvil, diamond samples were re-shocked to 500-900 GPa off-Hugoniot states from 350-600 GPa on-Hugoniot states.

*This work was supported by the Japan Society for the Promotion of Science (JSPS) Core-to-core program (Grant No. JPJSCCA20230003), the JSPS KAKENHI (19K21866, 23K20038), and the MEXT Quantum Leap Flagship Program (JPMXS0118067246).

Presenters

  • Naoki Yamagata

    • The University of Osaka

Authors

  • Naoki Yamagata

    • The University of Osaka

  • Hirotaka Nakamura

    • The University of Osaka

  • Keita Nonaka

    • The University of Osaka

  • Kento Katagiri

    • Stanford University

  • Takayoshi Sano

    • The University of Osaka

  • Tetsuo Irifune

    • Geodynamics Research Center, Ehime University

  • Ryosuke Kodama

    • Institute of Laser Engineering, Osaka University

  • Norimasa Ozaki

    • Osaka University
    • The University of Osaka