Stratification in planetary cores by liquid immiscibility in Fe-S-H

Shunpei Yokoo; Kei Hirose; Shoh Tagawa; Guillaume Morard; Yasuo Ohishi

doi:10.1038/s41467-022-28274-z

Nature Communications (Feb 2022)

Stratification in planetary cores by liquid immiscibility in Fe-S-H

Shunpei Yokoo,
Kei Hirose,
Shoh Tagawa,
Guillaume Morard,
Yasuo Ohishi

Affiliations

Shunpei Yokoo: Department of Earth and Planetary Science, The University of Tokyo
Kei Hirose: Department of Earth and Planetary Science, The University of Tokyo
Shoh Tagawa: Department of Earth and Planetary Science, The University of Tokyo
Guillaume Morard: Université Grenoble Alpes, Université Savoie Mont Blanc, CNRS, IRD, Université Gustave-Eiffel, ISTerre
Yasuo Ohishi: Japan Synchrotron Radiation Research Institute

DOI: https://doi.org/10.1038/s41467-022-28274-z
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

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Yokoo et al. find the liquid immiscibility between H-rich and S-rich liquids Fe above 20 GPa. The separation of immiscible liquids could explain the disappearance of Mars’ magnetic field and the formation of low-velocity layer atop the Earth’s core.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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