Ferropericlase
(Mg0.83,Fe0.17)O
third-order Birch-Murnaghan · Original · 2012
V₀
75.849
ų
Unit cell
K₀
160
GPa
Isothermal
K′
4.080
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 75.849 | 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 powder X-ray diffraction, Kawai-type multi-anvil apparatus with sintered diamond anvils (Au pressure scale of Matsui 2010)
- Sample
- synthesized (Mg0.83,Fe0.17)O Fp powder, Table 3
Source
- Paper
- Static compression of (Mg0.83,Fe0.17)O and (Mg0.75,Fe0.25)O ferropericlase up t…
- Authors
- Masanori Matsui; Etsuro Ito; Daisuke Yamazaki; Takashi Yoshino; Xiaohan Guo; Shuangming Shan; Y. Higo; K.-i. Funakoshi
- DOI
- 10.2138/am.2012.3937
- Year
- 2012
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3: (Mg0.83,Fe0.17)O Fp with HS Fe2+: V0 (Å3) 75.849(11); K0T (GPa) 160 (fixed); K'0T 4.08(2); Θ0 (K) 500 (fixed); γ0 1.53(4); q 0.7(2). Text: 'we set K0T to 160 GPa' and 'K'0T = 4.08 ± 0.02 ... for (Mg0.83,Fe0.17)O'.
Additional notes
Theta0 K
500 (fixed)
gamma0
1.53(4)
q
0.7(2)
measured ambient volume A3
75.855(11) (Table 1, 300 K, 0 GPa)
measured ambient lattice parameter A
4.2331(2)
fit data range
compression data below ~47 GPa (HS state only)
dK0T dT GPa per K
-0.025 (300-700 K, calculated)