Laser-driven shock compression and equation of state of Fe2O3 up to 700 GPa

被引：0
|
作者：
Amouretti, Alexis [1 ,2 ]
Harmand, Marion [1 ,3 ]
Albertazzi, Bruno [4 ]
Boury, Antoine [1 ]
Benuzzi-Mounaix, Alessandra [4 ]
Chin, D. Alex [5 ]
Koenig, Michel [4 ]
Vinci, Tommaso [4 ]
Fiquet, Guillaume [1 ]
机构：
[1] Sorbonne Univ, IMPMC, UMR 7590, MNHN,CNRS, F-75005 Paris, France
[2] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan
[3] HESAM Univ, PIMM Arts & Metiers Inst Technol, CNRS, CNAM, F-75013 Paris, France
[4] Sorbonne Univ, Inst Polytech Paris, Ecole Polytech, LULI,CNRS,CEA, F-91120 Palaiseau, France
[5] Univ Rochester, Lab Laser Energet, Rochester, NY 14623 USA
来源：
PHYSICAL REVIEW B | 2024年 / 110卷 / 14期
基金：
欧洲研究理事会;
关键词：
PHASE-TRANSITION; PRESSURE; HEMATITE; IRON; VELOCITIES; DIAMOND;
D O I：
10.1103/PhysRevB.110.144110
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report here an equation-of-state measurement of Fe2O3 obtained with laser-driven shock compression. The data are in excellent agreement with previous dynamic and static compression measurements at low pressure, and extend the known Hugoniot up to 700 GPa. We observe a large volume drop of '10% at 86 GPa, which could be associated, according to static compression observations, with the iron spin transition. Our measurements also suggest a change of the Hugoniot curve between 150 and 250 GPa. Above 250 GPa and within our error bars, we do not observe significant modifications up to the maximum pressure of 700 GPa reached in our experiment.
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页数：7
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