Periclase
MgO
fourth-order Birch-Murnaghan · Cited · 2000
Why this differs from similar rows?
Table 2 cites Ref. 37 (Karki et al.), a first-principles theoretical calculation; sibling row cites Ref. 25, an experimental Brillouin scattering study.
V₀
—
Unknown basis
K₀
159.700
GPa
Adiabatic
K′
4.260
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 |
Formula: MgO
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- first-principles DFT / ab initiofirst-principles theoretical calculation, literature value
- Sample
- theoretical MgO (Karki et al., Ref. 37)
Source
- Paper
- Elasticity of MgO and a primary pressure scale to 55 GPa
- Authors
- Chang‐Sheng Zha; Ho‐kwang Mao; Russell J. Hemley
- DOI
- 10.1073/pnas.240466697
- Year
- 2000
- Journal
- Proceedings of the National Academy of Sciences
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: Ref. 37*: K0S = 159.7 GPa, K'0S = 4.26, K''0S = -0.026 GPa^-1, G0S = 121.5, G'0S = 2.18, G''0S = -0.034. '*Elastic moduli were fit to third- or fourth-order Birch–Murnaghan equations of state.'
Additional notes
Kpp0S per GPa
-0.026
G0S GPa
121.5
Gp0S
2.18
Gpp0S per GPa
-0.034
reference
Karki et al. (1997), Am. Mineral. 82, 51–60 (theoretical)