Ferropericlase
(Mg0.423Fe0.541□0.036)O (Fe56)
third-order Birch-Murnaghan · Original · 2002
V₀
77.453
ų
Unit cell
K₀
155.800
GPa
Isothermal
K′
5.530
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 77.453 | 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 | 0.423 |
| FeO | 0.541 |
Formula: (Mg0.423Fe0.541□0.036)O
Conditions & method
- Tref
- —
- Pref
- 0.000 GPa
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)single-crystal X-ray diffraction in diamond anvil cell (quartz internal pressure standard), static compression to 8.9 GPa
- Sample
- Fe56 single crystal, ΣFe/(ΣFe+Mg) = 0.561(2), Fe3+/ΣFe = 0.13(2)
Source
- Paper
- Structure and elasticity of single‐crystal (Mg,Fe)O and a new method of generat…
- Authors
- Steven D. Jacobsen; Hans‐J. Reichmann; H. Spetzler; S. J. Mackwell; Joseph R. Smyth; R. J. Angel; Catherine McCammon
- DOI
- 10.1029/2001jb000490
- Year
- 2002
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
For sample Fe56 (Mg0.423Fe0.541□0.036O) we obtain V0 = 77.453(4) Å3, K0T = 155.8(9) GPa, and K' = 5.53(23).
Additional notes
experimental zero pressure volume
77.453(5) Å3 (measured in DAC without pressure fluid)
max pressure
8.9 GPa (11 P-V data, Table 4)
ambient cell parameter Table1
a = 4.2621(2) Å