Periclase
MgO
other named EOS · Cited · 2011
V₀
—
Unknown basis
K₀
128
GPa
Isothermal
K′
4.740
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
- 2000 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- first-principles DFT / ab initiotheoretical (input parameters from PIB first-principles model, Anderson [3])
- Sample
- MgO (prototype oxide, lower-mantle relevant endmember of magnesiowüstite)
Source
- Paper
- Analysis of a new two-parameter equation of state for MgO
- Authors
- Quan Liu
- DOI
- 10.1139/p11-040
- Year
- 2011
- Journal
- Canadian Journal of Physics
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 1. Values of the input data for B0 = B_T(T, 0) and B'0 = B'_T(T, 0) for MgO, based on the PIB model as reported by Anderson [3]: Temperature 2000 K, B0 = 128 GPa, B'0 = 4.74 (dimensionless).
Additional notes
source
Anderson [3], PIB electron-gas model of Isaak et al. [8]
note
Values used as zero-pressure input parameters for the new two-parameter EOS; no numerical V0 given (only V/V0 compression ratios).