Bridgmanite
MgSiO3
unknown · Cited · 2006
Why this differs from similar rows?
KT calculated from KS reported by Karki et al. [1997] (theoretical calculation); sibling rows cite different original studies.
V₀
—
Unknown basis
K₀
256
GPa
Isothermal
K′
—
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
- —
- Method
- first-principles DFT / ab initiotheoretical calculations
- Sample
- —
Source
- Paper
- Crystal structure and equation of state of MgSiO3 perovskite
- Authors
- C. B. Vanpeteghem; Jing Zhao; R. J. Angel; Nancy L. Ross; Nathalie Bolfan‐Casanova
- DOI
- 10.1029/2005gl024955
- Year
- 2006
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: "Calculations | 256a | 258 | 1.34 | 1.17 | 1.37 | Karki et al. [1997]"
Additional notes
K S
258 GPa
axial compressibilities
βa = 1.34, βb = 1.17, βc = 1.37 (×10^-3 GPa^-1)
note
KT calculated from KS; reference: Karki et al. [1997]