Bridgmanite
MgSiO3
finite strain (unspecified form) · Cited · 2022
Why this differs from similar rows?
Table 3 row citing Chantel et al. (2012) ultrasonic interferometry on polycrystal; other rows cite Criniti et al. (2021) BLS on single crystal or Li and Zhang (2005) ultrasonic.
V₀
—
Unknown basis
K₀
247
GPa
Adiabatic
K′
4.500
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 (Brillouin / ultrasonic / elasticity)ultrasonic interferometry (literature)
- Sample
- polycrystalline (Chantel et al. 2012)
Source
- Paper
- Single-crystal elasticity of (Al,Fe)-bearing bridgmanite up to 82 GPa
- Authors
- Suyu Fu; Yanyao Zhang; Takuo Okuchi; Jung‐Fu Lin
- DOI
- 10.2138/am-2022-8435
- Year
- 2022
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 3 (Ultrasonic interferometry): Chantel et al. (2012), MgSiO3, K_S0 = 247(4), µ0 = 176(2), K'_S0 = 4.5(2), µ'0 = 1.6(1).
Additional notes
mu0 GPa
176(2)
mu0 prime
1.6(1)