Effect of light elements on the sound velocities in solid iron: Implications for the composition of Earth's core

• Published in: Earth and planetary science letters Vol. 254; no. 1-2; pp. 233 - 238
• Main Authors: Badro, James, Fiquet, Guillaume, Guyot, François, Gregoryanz, Eugene, Occelli, Florent, Antonangeli, Daniele, d'Astuto, Matteo
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.02.2007; Elsevier
• Subjects: Earth Sciences; Earth's core; experimental petrology; high-pressure; light elements; Mineralogy; Sciences of the Universe; seismic wave velocities; solubility; experimental petrology; seismic wave velocities; solubility; Earth's core; high-pressure; light elements

We measured compressional sound velocities in light element alloys of iron (FeO, FeSi, FeS, and FeS2) at high-pressure by inelastic X-ray scattering. This dataset provides new mineralogical constraints on the composition of Earth's core, and completes the previous sets formed by the pressure–de...