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Experiments and thermodynamic modelling on Fe-FeH phase diagram under high pressures: Implications for Earth’s core composition and temperature
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DOI：10.1016/j.epsl.2026.120243.png)
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Abstract
En 中文
• Melting experiments on the Fe-FeH system were performed to 130 GPa and 4200 K. • A thermodynamic model was developed based on the present and earlier experiments. • It predicts the Fe-FeH phase diagram at 330 GPa of inner core boundary pressure. • Possible ranges of the Earth’s core composition and temperature were estimated. • Hydrogen and silicon are important light elements for the outer and inner cores.
Keywords:
Fe-feh
Iron hydride
Core
Melting
Phase diagram
Thermodynamics
Journal
IF:
5.1
Papers:
774
Citations:
6.9W
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