Bridgmanite
FeAlO3
second-order Birch-Murnaghan · Original · 2023
V₀
—
Unknown basis
K₀
194
GPa
Isothermal
K′
—
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| — | — | Unknown basis | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| Fe2O3 | 0.5 |
| Al2O3 | 0.5 |
Formula: FeAlO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- experiment (XRD / DAC / multianvil compression)extrapolation from single-crystal X-ray diffraction compressibility data and literature bulk moduli
- Sample
- derived from Al-rich sample together with previously reported bulk moduli for Al,Fe-bearing bridgmanite
Source
- Paper
- Crystal chemistry and compressibility of Fe0.5Mg0.5Al0.5Si0.5O3 and FeMg0.5Si0.…
- Authors
- Iuliia Koemets; Biao Wang; Egor Koemets; Takayuki Ishii; Zhaodong Liu; Catherine McCammon; Artem Chanyshev; Tomo Katsura; Michael Hanfland; Alexander Chumakov; Leonid Dubrovinsky
- DOI
- 10.3389/fchem.2023.1258389
- Year
- 2023
- Journal
- Frontiers in Chemistry
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Moreover, the calculation of the bulk modulus for the Al-rich sample together with previously reported bulk moduli for Al, the Fe-bearing bridgmanite, allows us to constrain the bulk modulus of the pure FeAlO3 end-member K0 = 194 ± 8 GPa (Figure 7).
Additional notes
note
Derived/constrained value for a hypothetical end-member, not a direct EoS fit to a physical sample of FeAlO3