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Rh₂O₃(II)-type Al₂O₃
Al2O3
third-order Birch-Murnaghan · Original · 2022
Why this differs from similar rows?
Table 3 Model 3 with q fixed to 1.4; sibling rows fix q to different values (0.6, 1, 1.8, 2.2), changing the fitted K_T0/V0.
V₀
164.8
ų
Unit cell
K₀
259
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 164.8 | 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 |
|---|---|
| Al2O3 | 1 |
Formula: Al2O3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- other / unspecified
- Method
- experiment (XRD / DAC / multianvil compression)synchrotron X-ray diffraction in laser-heated diamond anvil cells, Pt pressure calibrant
- Sample
- Table 3, Model 3 (q = 1.4 fixed)
Source
- Paper
- Thermal Equations of State of Corundum and Rh2O3 (II)‐Type Al2O3 up to 153 GPa …
- Authors
- Weigang Shi; Wei Wei; Ningyu Sun; Zhu Mao; Vitali B. Prakapenka
- DOI
- 10.1029/2021jb023805
- Year
- 2022
- Journal
- Journal of Geophysical Research Solid Earth
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Table 3, Model 3: KT0 = 259(6) GPa, KT0' = 4(fixed), V0 = 164.8(7) Å3, θD0 = 600(200) K, γ0 = 1.62(6), q = 1.4(fixed).
Additional notes
theta D0 K
600(200)
gamma 0
1.62(6)
q
1.4(fixed)