Periclase
MgO
third-order Birch-Murnaghan · Cited · 2000
V₀
18.69
ų
Unit cell
K₀
160
GPa
Isothermal
K′
4.150
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 18.69 | 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 |
|---|---|
| MgO | 1 |
Formula: MgO
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)static compression under hydrostatic conditions (Fei 1999)
- Sample
- hydrostatic compression data of Fei (1999)
Source
- Paper
- Thermal pressure in MgO and MgSiO 3 perovskite at lower mantle conditions
- Authors
- Bijaya B. Karki
- DOI
- 10.2138/am-2000-1013
- Year
- 2000
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
The third-order Birch-Murnaghan EoS parameters, V0 = 18.69 A3, K_T = 160(2) GPa, and K_T' = 4.15, determined under hydrostatic conditions (Fei 1999) are used to represent the principal isotherm, that is, P(V,300).
Additional notes
usage
Used to represent the 300 K principal isotherm P(V,300) in constructing the thermal EoS by adding ΔP_TH(V0,T) from Isaak et al. (1989)
note
This study itself is first-principles DFPT thermal-pressure work; the static EOS parameters are cited from Fei (1999)