Periclase
MgO
Vinet · Original · 2025
V₀
74.71
ų
Unit cell
K₀
160.300
GPa
Isothermal
K′
5.230
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 74.71 | 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 (shock wave)optimization combining static DAC compression, shock experiments, high-T XRD, elasticity (KS), and heat capacity (CP) datasets
- Sample
- MgO pressure standard (Table 1, this study's optimized P-V-T EOS)
Source
- Paper
- Internally consistent pressure-volume-temperature equations of state among plat…
- Authors
- Xi Zhu; Yu Ye; Wei Sun; Tomoo Katsura; Razvan Caracas
- DOI
- 10.22541/essoar.176236186.65259830/v1
- Year
- 2025
- Journal
- —
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 1. P-V-T EOS parameters optimized for Pt, Au, and MgO. | MgO: V0 (Å3) 74.71#; KT0 (GPa) 160.3#; KT0' 4.182(19)#; θ0 (K) 761*; γ0 1.52(4); a 1; b 1.5(1); β0 (10-5 J/g·K2) -2.0(1); m 4.8(1). #: Ye et al. (2017); *: Tange et al. (2009). 'In this study, the P-V Vinet (Vinet et al., 1986) EOSs (Eqn. 1) are adopted for Pt, Au, and MgO at the ambient temperature as in Ye et al. (2017)'
Additional notes
Kp verbatim
4.182(19)
static 300K parameters source
V0, KT0, KT0' adopted from Ye et al. (2017) inter-calibrated P-V Vinet EOSs at 300 K (marked # in Table 1)
theta0 K
761 (from Tange et al., 2009)
gamma0
1.52(4)
a
1
b
1.5(1)
beta0 1e-5 J per gK2
-2.0(1)
m
4.8(1)
note
Thermal (γ0, a, b, β0, m) parameters were optimized in this study; excess (anharmonic) contribution is negative for MgO