Sound velocity of hexagonal close-packed iron to the Earth’s inner core pressure

Daijo Ikuta; Eiji Ohtani; Hiroshi Fukui; Takeshi Sakai; Daisuke Ishikawa; Alfred Q. R. Baron

doi:10.1038/s41467-022-34789-2

Nature Communications (Nov 2022)

Sound velocity of hexagonal close-packed iron to the Earth’s inner core pressure

Daijo Ikuta,
Eiji Ohtani,
Hiroshi Fukui,
Takeshi Sakai,
Daisuke Ishikawa,
Alfred Q. R. Baron

Affiliations

Daijo Ikuta: Department of Earth Science, Tohoku University
Eiji Ohtani: Department of Earth Science, Tohoku University
Hiroshi Fukui: Materials Dynamics Laboratory, RIKEN SPring-8 Center
Takeshi Sakai: Geodynamics Research Center, Ehime University
Daisuke Ishikawa: Materials Dynamics Laboratory, RIKEN SPring-8 Center
Alfred Q. R. Baron: Materials Dynamics Laboratory, RIKEN SPring-8 Center

DOI: https://doi.org/10.1038/s41467-022-34789-2
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 8

Abstract

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New constraints on the composition of Earth’s inner core are provided by experimental verification of Birch’s law for hexagonal close-packed iron to pressure above 300 gigapascals, about double the pressure achieved in previous investigations

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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