Bridgmanite
(Mg0.875Fe0.125)(Si0.875Fe0.125)O3 (12.5% Fe2O3-bearing)
unknown · Cited · 2012
V₀
—
Unknown basis
K₀
about 260
GPa
Unknown
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 |
|---|---|
| MgO | 0.875 |
| Fe2O3 | 0.125 |
| SiO2 | 0.875 |
Formula: (Mg0.875Fe0.125)(Si0.875Fe0.125)O3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- DFT+U / DFT+DMFTLSDA+U calculations with virtual crystal model approximation
- Sample
- Hsu et al. (2011b) LSDA+U
Source
- Paper
- Thermodynamic properties of (Mg,Fe2+)SiO3 perovskite at the lower-mantle pressu…
- Authors
- A. Metsue; Taku Tsuchiya
- DOI
- 10.1111/j.1365-246x.2012.05511.x
- Year
- 2012
- Journal
- Geophysical Journal International
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
'LSDA+U calculations by Hsu et al. (2011b) ... reported values of K0 about 260 GPa at 0 K for a 12.5 per cent Fe2O3-bearing phase'