Equation of state of solid Ne inter-calibrated with the MgO, Au, Pt, NaCl-B2, and ruby pressure scales up to 130 GPa

Yu Ye, Sang-Heon Shim, Vitali Prakapenka, Yue Meng

    Research output: Contribution to journalArticle

    Abstract

    We measured the unit-cell volume of thermally annealed solid Ne at 30–130 GPa, which is loaded together with MgO and Pt or Au in diamond-anvil cells. Laser annealing significantly reduced the deviatoric stress and the data scatter. We fit our data to the 3rd-order Birch–Murnaghan and Vinet equations of state (EOS) with the MgO pressure scale from [Ye Y, Prakapenka V, Meng Y, Shim SH. J Geophys Res. 2017;122:3450] (hereafter MgO-Y17 scale). In order to make consistent comparison, we converted the pressures of the reported datasets for isothermal compression on Ne, so that they are consistent with the MgO-Y17 scale. The discrepancy among different datasets reduces significantly after pressure conversion. We also identified the internally consistent EOSs of Ne, MgO, Pt, Au and NaCl-B2, together with the ruby scale. Our findings contribute to internally consistent comparison of different experimental datasets on the pressure-dependent behaviors of materials.

    Original languageEnglish (US)
    JournalHigh Pressure Research
    DOIs
    StateAccepted/In press - Jan 1 2018

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    ruby
    equations of state
    laser annealing
    anvils
    cells
    diamonds

    Keywords

    • diamond anvil cell
    • equation of state
    • laser annealing
    • pressure transmission medium
    • Solid Ne

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Equation of state of solid Ne inter-calibrated with the MgO, Au, Pt, NaCl-B2, and ruby pressure scales up to 130 GPa. / Ye, Yu; Shim, Sang-Heon; Prakapenka, Vitali; Meng, Yue.

    In: High Pressure Research, 01.01.2018.

    Research output: Contribution to journalArticle

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    abstract = "We measured the unit-cell volume of thermally annealed solid Ne at 30–130 GPa, which is loaded together with MgO and Pt or Au in diamond-anvil cells. Laser annealing significantly reduced the deviatoric stress and the data scatter. We fit our data to the 3rd-order Birch–Murnaghan and Vinet equations of state (EOS) with the MgO pressure scale from [Ye Y, Prakapenka V, Meng Y, Shim SH. J Geophys Res. 2017;122:3450] (hereafter MgO-Y17 scale). In order to make consistent comparison, we converted the pressures of the reported datasets for isothermal compression on Ne, so that they are consistent with the MgO-Y17 scale. The discrepancy among different datasets reduces significantly after pressure conversion. We also identified the internally consistent EOSs of Ne, MgO, Pt, Au and NaCl-B2, together with the ruby scale. Our findings contribute to internally consistent comparison of different experimental datasets on the pressure-dependent behaviors of materials.",
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    AU - Shim, Sang-Heon

    AU - Prakapenka, Vitali

    AU - Meng, Yue

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