Post-perovskite
MgSiO3
AP2 · Cited · 2025
Why this differs from similar rows?
AP2 thermal-EOS fit (Sakai et al., 2016) with V0 fit freely (0.1559 nm3); sibling row fixes V0 to 0.16345 nm3 instead, giving different K0/K'.
V₀
0.1559
nm³
Unit cell
K₀
336
GPa
Isothermal
K′
3.130
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 0.1559 | nm³ | Unit cell | — |
| 155.9000 | ų | canonical (converted) | — |
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
- post-perovskite (CaIrO3-type, Cmcm)
- Method
- experiment (other / unspecified)experimental and theoretical thermal EOS at multi-megabar pressures
- Sample
- —
Source
- Paper
- Research progresses on the structure, phase transition and physical properties …
- Authors
- Zixing Wang; Zheng-yong REN; Lei Liu
- DOI
- 10.3724/j.issn.1007-2802.20240151
- Year
- 2025
- Journal
- Bulletin of Mineralogy Petrology and Geochemistry
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
表3 后钙钛矿: V0=0.1559(16) nm3, K0=336±28 GPa, K0T'=3.13±0.23, γ0=1.46(9), γ∞=2/3, θD0=933(257), β=1.84(8), AP2, Sakai et al., 2016
Additional notes
gamma0
1.46(9)
gamma inf
2/3
thetaD0
933(257)
beta
1.84(8)
reference
Sakai et al., 2016