Nature Communications (May 2022)

Structural transition and re-emergence of iron's total electron spin in (Mg,Fe)O at ultrahigh pressure

  • Han Hsu,
  • Koichiro Umemoto

DOI
https://doi.org/10.1038/s41467-022-30100-5
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 8

Abstract

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Iron spin transition occurs at ultrahigh pressure. The total electron spin increases from 0 to 1 as the structural transition of (Mg,Fe)O occurs (~0.6 TPa) and drops back to 0 at higher pressure. Its effects on exoplanet interiors are anticipated.