Wüstite
Fe0.98O
unknown · Cited · 1993
V₀
—
Unknown basis
K₀
169
GPa
Isothermal
K′
4
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 |
|---|---|
| FeO | 0.98 |
Formula: Fe0.98O
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)static compression measurements
- Sample
- Fe0.98O compression sample of Yagi et al. (16)
Source
- Paper
- Effect of Pressure on the Composition of the Lower Mantle End Member Fe x O
- Authors
- Catherine McCammon
- DOI
- 10.1126/science.259.5091.66
- Year
- 1993
- Journal
- Science
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Yagi et al. (16) obtained a value of 169 GPa with the pressure derivative ∂K_T/∂P = 4 from compression measurements on Fe0.98O but conceded that large errors (±10 GPa) and the tradeoff between K_T and ∂K_T/∂P prevent a definitive conclusion.
Additional notes
uncertainty K0
±10 GPa
note
Tradeoff between K_T and ∂K_T/∂P noted; determination method of K' not explicitly stated