P - ρ - T measurements of H2O up to 260 GPa under laser-driven shock loading

T. Kimura, N. Ozaki, T. Sano, Takuo Okuchi, T. Sano, K. Shimizu, K. Miyanishi, T. Terai, T. Kakeshita, Y. Sakawa, R. Kodama

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Pressure, density, and temperature data for H2O were obtained up to 260 GPa by using laser-driven shock compression technique. The shock compression technique combined with the diamond anvil cell was used to assess the equation of state models for the P-ρ-T conditions for both the principal Hugoniot and the off-Hugoniot states. The contrast between the models allowed for a clear assessment of the equation of state models. Our P-ρ-T data totally agree with those of the model based on quantum molecular dynamics calculations. These facts indicate that this model is adopted as the standard for modeling interior structures of Neptune, Uranus, and exoplanets in the liquid phase in the multi-Mbar range.

Original languageEnglish
Article number164504
JournalThe Journal of Chemical Physics
Volume142
Issue number16
DOIs
Publication statusPublished - Apr 28 2015

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shock
Lasers
lasers
Equations of state
equations of state
Uranus (planet)
Diamond
Neptune (planet)
extrasolar planets
anvils
Molecular dynamics
liquid phases
diamonds
molecular dynamics
Liquids
cells
Temperature
temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Kimura, T., Ozaki, N., Sano, T., Okuchi, T., Sano, T., Shimizu, K., ... Kodama, R. (2015). P - ρ - T measurements of H2O up to 260 GPa under laser-driven shock loading. The Journal of Chemical Physics, 142(16), [164504]. https://doi.org/10.1063/1.4919052

P - ρ - T measurements of H2O up to 260 GPa under laser-driven shock loading. / Kimura, T.; Ozaki, N.; Sano, T.; Okuchi, Takuo; Sano, T.; Shimizu, K.; Miyanishi, K.; Terai, T.; Kakeshita, T.; Sakawa, Y.; Kodama, R.

In: The Journal of Chemical Physics, Vol. 142, No. 16, 164504, 28.04.2015.

Research output: Contribution to journalArticle

Kimura, T, Ozaki, N, Sano, T, Okuchi, T, Sano, T, Shimizu, K, Miyanishi, K, Terai, T, Kakeshita, T, Sakawa, Y & Kodama, R 2015, 'P - ρ - T measurements of H2O up to 260 GPa under laser-driven shock loading', The Journal of Chemical Physics, vol. 142, no. 16, 164504. https://doi.org/10.1063/1.4919052
Kimura, T. ; Ozaki, N. ; Sano, T. ; Okuchi, Takuo ; Sano, T. ; Shimizu, K. ; Miyanishi, K. ; Terai, T. ; Kakeshita, T. ; Sakawa, Y. ; Kodama, R. / P - ρ - T measurements of H2O up to 260 GPa under laser-driven shock loading. In: The Journal of Chemical Physics. 2015 ; Vol. 142, No. 16.
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