Ferropericlase
(Mg0.8Fe0.2)O
third-order Birch-Murnaghan · Original · 2007
Why this differs from similar rows?
Table 2 row assumes a fixed V0(LS)/V0(HS) ratio of 0.88 used to convert low-spin volumes; sibling rows use different assumed ratios (0.89-1.00), each giving a different K0/K'.
V₀
—
Unit cell
K₀
339
GPa
Isothermal
K′
3
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| — | — | 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: (Mg0.8Fe0.2)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, F-f fit
- Sample
- Table 2 row: V0LS/V0HS = 0.88
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
Table 2. Fit Parameters of the 3rd Order Birch–Murnaghan Isotherm of the Low-Spin Phase of (Mg0.8Fe0.2)O for Various Initial Ratios V0LS/V0HS: 0.88, K0 = 339 ± 28 GPa, K0' = 3.0 ± 0.7, χ2 = 0.782, RMS misfit 1.55 GPa
Additional notes
V0LS V0HS ratio
0.88
chi2
0.782
RMS misfit GPa
1.55