Ferropericlase
(Mg0.83Fe0.17)O
third-order Birch-Murnaghan · Original · 2007
V₀
76.1
ų
Unit cell
K₀
157.500
GPa
Isothermal
K′
3.920
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 76.1 | 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 | 0.83 |
| FeO | 0.17 |
Formula: (Mg0.83Fe0.17)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 (this study)
- Sample
- Table 3 modeling parameters, high-spin phase
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 3: (Mg0.83Fe0.17)O (HS): V0 = 76.10 Å3, KT0 = 157.5 ± 0.5 GPa, (∂KT/∂P)T0 = 3.92 ± 0.1 (This study).
Additional notes
rho0 g cm3
3.859
mol wt g
45.67
theta0 K
587 ± 80
gamma0
1.46 ± 0.05
q
1.2 ± 0.1
spin state
high-spin