Bridgmanite
MgSiO3
Birch-Murnaghan (order unspecified) · Cited · 2004
V₀
—
Unknown basis
K₀
259
GPa
Isothermal
K′
3.700
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| — | — | 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: MgSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- experiment (XRD / DAC / multianvil compression)static compression experiments (literature)
- Sample
- —
Source
- Paper
- Effect of aluminium on the compressibility of silicate perovskite
- Authors
- I. M. Daniel; Jay D. Bass; G. Fiquet; Hervé Cardon; Jianzhong Zhang; Michael Hanfland
- DOI
- 10.1029/2004gl020213
- Year
- 2004
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
From static compression experiments, the value of the isothermal bulk modulus K0 is 253(9) GPa if the first pressure derivative K'_0 is fixed to 4, and 259 GPa with K'_0 adjusted to 3.7.