Ferropericlase
(Mg0.73Fe0.27)O
third-order Birch-Murnaghan · Original · 2017
Why this differs from similar rows?
Refit of Jacobsen et al. (2005) single-crystal data in helium medium, 0-51.1 GPa; sibling row refits a different original study (Jacobsen et al. 2002, methanol-ethanol medium).
V₀
77.3
ų
Unit cell
K₀
154.800
GPa
Isothermal
K′
3.970
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 77.3 | 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 |
|---|---|
| MgO | 0.73 |
| FeO | 0.27 |
Formula: (Mg0.73Fe0.27)O
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), (Mg0.73Fe0.27)O, Helium, SXRD, 0-51.1 GPa, V0 = 77.30(4) Å3, K0T = 154.8(1.9) GPa, K'0T = 3.97(10).
Additional notes
P range GPa
0-51.1
data source
Jacobsen et al. (2005)