Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Diffraction image (A) and integrated pattern (B) collected during synthesis (~15 GPa, ~2000 K).
  • Fig. S2. Diffraction image (A) and integrated pattern (B) collected at 10.7 GPa where Fe5O6, wüstite, neon, and gold were the phases identified.
  • Fig. S3. Diffraction image (A) and integrated pattern (B) collected at ~11 GPa where Fe5O6, Fe4O5, and neon were the phases identified.
  • Fig. S4. Comparison of the axial compressibility of Fe5O6 and Fe4O5.
  • Fig. S5. Volume (A) and relative compressibility (B) of the orthorhombic iron oxides.
  • Table S1. Example of cell parameter fitting results from powder diffraction analysis.
  • References (32–34)

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