CaO (lime)
CaO
third-order Birch-Murnaghan · Original · 1999
V₀
—
Unknown basis
K₀
115
GPa
Unknown
K′
4.480
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 |
Formula: CaO
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- first-principles DFT / ab initiofirst principles plane wave pseudopotential (LDA), static calculation
- Sample
- Table 1, Calc row
Source
- Paper
- Seismic velocities of major silicate and oxide phases of the lower mantle
- Authors
- Bijaya B. Karki; Lars Stixrude
- DOI
- 10.1029/1999jb900069
- Year
- 1999
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 1: CaO, Calc M: K = 115, G = 83; M': K' = 4.48, G' = 1.78. CaO explicitly discussed as a candidate lower mantle phase. 'Third-order Eulerian finite strain equations are fit to the calculated results'.
Additional notes
G0 GPa
83
Gp
1.78
note
CaO framed as candidate lower-mantle phase in this study