Bridgmanite
MgSiO3
Birch-Murnaghan (order unspecified) · Cited · 2000
Why this differs from similar rows?
Cites Fiquet et al. [2000] LHDAC XRD result; sibling row instead cites Jackson and Rigden [1996]'s literature parameter set.
V₀
24.43
cm³/mol
Molar
K₀
259.500
GPa
Isothermal
K′
3.690
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 24.43 | 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 | 1 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- 300 K
- Pref
- 0.000 GPa
- Structure
- perovskite (unspecified)
- Method
- experiment (XRD / DAC / multianvil compression)laser-heated diamond anvil cell (LHDAC) X-ray diffraction (Fiquet et al. [2000])
- Sample
- LHDAC result of Fiquet et al. [2000]
Source
- Paper
- The stability and P–V–T equation of state of CaSiO3 perovskite in the Earth's l…
- Authors
- Sang‐Heon Shim; T. S. Duffy; Guoyin Shen
- DOI
- 10.1029/2000jb900183
- Year
- 2000
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2 (Fiquet, MgSiO3 Perovskite): V0 = 24.43 cm3 mol-1, K_T0 = 259.5(9) GPa, K'_T0 = 3.69(4). The thermoelastic parameters for MgSiO3 perovskite are from ... Fiquet et al. [2000].
Additional notes
gamma0
1.4 (inferred)
q
1.4(5)
theta0 K
1100 (assumed)
alpha0 1e-5 K-1
2.18(12)
dKT dT GPa K-1
-0.017(2)
delta T
5.6 (derived from parameters given by Fiquet et al. [2000])