Ferropericlase
(Mg0.80Fe0.20)O
Birch-Murnaghan (order unspecified) · Original · 2007
V₀
76.03
ų
Unit cell
K₀
158
GPa
Isothermal
K′
4.400
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 76.03 | 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 | 0.8 |
| FeO | 0.2 |
Formula: (Mg0.80Fe0.20)O
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)synchrotron X-ray diffraction, diamond-anvil cell, room temperature
- Sample
- polycrystalline (Mg0.80Fe0.20)O, high-spin state, data below 40 GPa
Source
- Paper
- Effects of Fe spin transition on the elasticity of (Mg, Fe)O magnesiowüstites a…
- Authors
- S. Speziale; V. E. Lee; S. M. Clark; Jung‐Fu Lin; M. Pasternak; Raymond Jeanloz
- DOI
- 10.1029/2006jb004730
- Year
- 2007
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
A Birch-Murnaghan equation of state (EoS) fit of the data below this pressure yields V0 = 76.03 (±0.09) Å3, KT0 = 158 (±3) GPa and K'T0 = 4.4 (±0.2), where K'T0 = (∂KT/∂P)T0.
Additional notes
ambient measured volume Table1
76.30 ± 0.25 Å3 at 10^-4 GPa
spin state
high-spin