Ferropericlase
(Mg0.75Fe0.25)O
spin-crossover EOS · Original · 2016
Why this differs from similar rows?
Low-spin state refit of Mao et al. (2011) data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free.
V₀
73.74
ų
Unit cell
K₀
174
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 73.74 | 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 | 0.75 |
| FeO | 0.25 |
Formula: (Mg0.75Fe0.25)O
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)X-ray diffraction (KCl/NaCl pressure medium; literature data refit)
- Sample
- P-V data of Mao et al. (2011), refit in this study; low-spin state
Source
- Paper
- Equation of state and spin crossover of (Mg,Fe)O at high pressure, with implica…
- Authors
- Natalia Solomatova; Jennifer M. Jackson; W. Sturhahn; J. K. Wicks; Jiyong Zhao; T. S. Toellner; Bora Kalkan; William Steinhardt
- DOI
- 10.2138/am-2016-5510
- Year
- 2016
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 7 (fixing K'0T,LS to 4): (Mg0.75Fe0.25)O, V0,LS 73.74(19) Å3, K0T,LS 174(2) GPa, Mao et al. (2011).
Additional notes
P tr GPa
62.6(7)
data source
Mao et al. (2011)