Periclase
MgO
none (not an EOS fit) · Cited · 2000
V₀
—
Unknown basis
K₀
162
GPa
Isothermal
K′
3.900
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
- 300 K
- Pref
- —
- Structure
- B1 rocksalt (Fm-3m)
- Method
- experiment (Brillouin / ultrasonic / elasticity)elasticity measurements (Isaak et al. 1989; pressure derivatives from ultrasonic data of Chang and Barsch 1969, Spetzler 1970, Jackson and Niesler 1982, Yoneda 1990)
- Sample
- MgO, observed elasticity data (Table 2)
Source
- Paper
- The MD simulation of the equation of state of MgO: Application as a pressure ca…
- Authors
- Masanori Matsui; Stephen C. Parker; Maurice Leslie
- DOI
- 10.2138/am-2000-2-308
- Year
- 2000
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
TABLE 2. Observed and simulated isothermal elastic moduli of MgO, and their temperature and pressure derivatives, at 300 K and 0 GPa ... Obs* ... KT 162 ... Pressure derivatives of elastic constants (dimensionless) Obs+ ... 3.9 ~ 4.3 ... * From Isaak et al. (1989). † Adiabatic values from Chang and Barsch (1969), Spetzler (1970), Jackson and Niesler (1982), and Yoneda (1990).
Additional notes
note
Observed pressure derivatives are adiabatic values from the cited ultrasonic studies; observed dKT/dT = -0.028 GPa/K; C11 = 297 GPa, C44 = 157 GPa, C12 = 94 GPa, G = 132 GPa