Bridgmanite
MgSiO3
unknown · Cited · 2011
Why this differs from similar rows?
Table I cites experimental Brillouin scattering ref [5] (Yeganeh-Haeri), the only ambient-condition experiment; sibling rows are theoretical calculations.
V₀
162.45
ų
Unit cell
K₀
—
K′
—
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 162.45 | 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 | 1 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- experiment (Brillouin / ultrasonic / elasticity)experimental (Brillouin scattering study, cited)
- Sample
- Table I, Exp. [5] column (Yeganeh-Haeri)
Source
- Paper
- Elastic Tensor and Thermodynamic Property of Magnesium Silicate Perovskite from…
- Authors
- Zi‐Jiang Liu; Xiao Wei Sun; Cai‐Rong Zhang; Jianbo Hu; Ting Song; Jianhong Qi
- DOI
- 10.1088/1674-0068/24/06/703-710
- Year
- 2011
- Journal
- Chinese Journal of Chemical Physics
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table I: V0/Å3 = 162.45 for Exp. [5]; B/GPa = 264, G/GPa = 177.4. Text: 'Elastic constants have been studied experimentally only under ambient conditions [5].'
Additional notes
B GPa adiabatic from elastic
264
G GPa
177.4
a0 A
4.7747
b0 A
4.9319
c0 A
6.8987
Debye temperature K
1078
reference
[5] A. Yeganeh-Haeri, Phys. Earth Planet. Inter. 87, 111 (1994)