Bridgmanite
(Mg1-x,Fex)SiO3
Vinet · Original · 2000
V₀
40.185
ų
Unknown basis
K₀
266
GPa
Isothermal
K′
4.200
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 40.185 | ų | Unknown basis | — |
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: (Mg1-xFex)SiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- unknownthermoelastic model with input parameters determined from experimental data at room temperature and zero pressure
- Sample
- Table 1 input parameters, q_i(0) column for MgPv
Source
- Paper
- Thermoelasticity of silicate perovskites and magnesiowustite and its implicatio…
- Authors
- Juichiro Hama; Kaichi Suito; Orson L. Anderson
- DOI
- 10.2138/am-2000-2-310
- Year
- 2000
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 1. The input parameters of q_i for (Mg1-x,Fex)SiO3 Pv ... V0(ų) 40.185, K0(GPa) 266.0, K0' 4.200, Θ0(K) 994, f44 1.15; 'V0, K0, and K0' denote the volume, bulk modulus, and its pressure derivative at the static lattice and zero pressure'; 'we determine the values of the input parameters (V0, K0, K0', Θ0, and f44) from experimental data at room temperature and zero pressure'.
Additional notes
Theta0 K
994
f44
1.15
iron composition coefficients a1
{
"V0": "6.532 × 10^-3",
"K0": "-7.891 × 10^-2",
"K0_prime": "-4.762 × 10^-2"
}
source model
Hama and Suito (1998a)
note
Parameters refer to the static lattice at zero pressure; a1 coefficients describe dependence on iron fraction x