Davemaoite
CaSiO3
Birch-Murnaghan (order unspecified) · Cited · 1996
V₀
45.37
ų
Unit cell
K₀
281
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 45.37 | 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 |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- cubic perovskite (Pm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)diamond anvil cell X-ray diffraction to 134 GPa, no pressure medium (laser heated above 12 GPa)
- Sample
- Mao et al. [1989] original fit
Source
- Paper
- Thermal equation of state of CaSiO3 perovskite
- Authors
- Yanbin Wang; Donald J. Weidner; François Guyot
- DOI
- 10.1029/95jb03254
- Year
- 1996
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
"Mao et al. [1989] obtained K_T0 = 281(4) GPa with an assumed K'_T0 = 4.0"; Figure 4 caption: "The dashed curve ... is the fit by Mao et al. [1989], with K_T0 = 281 GPa and V0 = 45.37 Å^3, with an assumed K'_T0 = 4.0."