Davemaoite
CaSiO3
third-order Birch-Murnaghan · Cited · 1993
V₀
—
Unknown basis
K₀
281
GPa
Unknown
K′
4
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 |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- cubic perovskite (Pm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)experimental compression (X-ray, hydrostatic conditions to 134 GPa) fitted to Birch-Murnaghan EOS
- Sample
- experimental P-V data of Mao et al. [1989], hydrostatic to 134 GPa
Source
- Paper
- Equation of state, elastic properties, and stability of CaSiO3 perovskite: Firs…
- Authors
- David Μ. Sherman
- DOI
- 10.1029/93jb02175
- Year
- 1993
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Mao et al. [1989] fit their data to the third-order Birch-Murnaghan equation to give K0 = 281 (+ 4) GPa assuming K0' = 4 (Figure 5). ... its equation of state has been measured under hydrostatic conditions to 134 GPa [Mao et al., 1989].
Additional notes
reference
Mao et al. [1989]
note
No numerical V0 quoted for this fit in the present paper