Bridgmanite
(Mg0.95Fe0.05)SiO3
third-order Birch-Murnaghan · Original · 2012
V₀
25.5
cm³/mol
Molar
K₀
236
GPa
Isothermal
K′
4.700
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 25.5 | cm³/mol | Molar | — |
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 | 0.95 |
| FeO | 0.05 |
| SiO2 | 1 |
Formula: (Mg0.95Fe0.05)SiO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- experiment (Brillouin / ultrasonic / elasticity)ultrasonic interferometry + in situ X-ray diffraction; thermal parameters interpolated from Xu et al. [2008]
- Sample
- Table 3 thermo-elastic model (room-T parameters from this study)
Source
- Paper
- Acoustic velocities of pure and iron‐bearing magnesium silicate perovskite meas…
- Authors
- Julien Chantel; D. J. Frost; Catherine McCammon; Zhicheng Jing; Yanbin Wang
- DOI
- 10.1029/2012gl053075
- Year
- 2012
- Journal
- Geophysical Research Letters
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3: (Mg0.95Fe0.05)SiO3 Perovskite Vo 25.50 K_T 236 K' 4.7 G 174 G' 1.56 theta 893 gamma 1.44 q 1.4 eta 2.56
Additional notes
G GPa
174
Gprime
1.56
theta K
893
gamma
1.44
q
1.4
eta
2.56
note
Table 3 unit printed as cm-3 mol-1 (likely cm3 mol-1)