Wüstite
Fe0.93O
third-order Birch-Murnaghan · Original · 2017
V₀
79.41
ų
Unit cell
K₀
145.700
GPa
Isothermal
K′
3.990
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 79.41 | ų | Unit cell | — |
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 | 0.93 |
Formula: Fe0.93O
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)single-crystal X-ray diffraction (SXRD), He pressure medium
- Sample
- single crystal in helium medium (data from Jacobsen et al. 2005, re-fit in this study)
Source
- Paper
- Single-crystal equations of state of magnesiowüstite at high pressures
- Authors
- Gregory J. Finkelstein; Jennifer M. Jackson; W. Sturhahn; Dongzhou Zhang; E. Ercan; T. S. Toellner
- DOI
- 10.2138/am-2017-5966
- Year
- 2017
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3: Jacobsen et al. (2005), Fe0.93O, Helium, SXRD, 0-22.8 GPa, V0 = 79.41(4) Å3, K0T = 145.7(1.2) GPa, K'0T = 3.99(6)b; re-evaluated equations of state using MINUTI.
Additional notes
P range GPa
0-22.8
data source
Jacobsen et al. (2005)
Kp prior
Prior of K'0T = 4.0 ± 0.1 used during equation of state fit