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首页> 外文期刊>The Journal of Chemical Physics >Equation of state of liquid mercury to 520 K and 7 GPa from acoustic velocity measurements
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Equation of state of liquid mercury to 520 K and 7 GPa from acoustic velocity measurements

机译:从声速测量到520 K和7 GPa的液态汞状态方程

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摘要

Ultrafast acoustics measurements on liquid mercury have been performed at high pressure and temperature in a diamond anvil cell using picosecond acoustic interferometry. We extract the density of mercury from adiabatic sound velocities using a numerical iterative procedure. We also report the pressure and temperature dependence of the thermal expansion, isothermal and adiabatic compressibility, bulk modulus, and pressure derivative of the latter up to 7 GPa and 520 K. We finally show that the sound velocity follows a scaling law as a function of density in the overall measured metallic state.
机译:已经使用皮秒声干涉法在金刚石砧盒中在高压和高温下对液态汞进行了超快声学测量。我们使用数值迭代程序从绝热声速中提取汞的密度。我们还报告了高达7 GPa和520 K的热膨胀,等温和绝热可压缩性,体积模量和压力导数与压力和温度的关系。我们最终表明,声速遵循比例定律作为函数总体测量金属状态的密度。

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