Phase Egg
AlSiO3(OH)
third-order Birch-Murnaghan · Cited · 2018
V₀
212.99
ų
Unit cell
K₀
157
GPa
Unknown
K′
6.500
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 212.99 | 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 | 0.5 |
| SiO2 | 1 |
| H2O | 0.5 |
Formula: AlSiO3(OH)
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- other / unspecified
- Method
- experiment (other / unspecified)experiment (high-pressure compression, 300 K)
- Sample
- experimental sample (Vanpeteghem et al., 2000)
Source
- Paper
- Anomalous elastic behavior of phase Egg, AlSiO3(OH), at high pressures
- Authors
- —
- DOI
- 10.2138/am-2018-6694
- Year
- 2018
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
The experimentally determined equation of state parameters for phase Egg, i.e., (K0^exp), (V0^exp) and (K'0^exp) are, 157.0 (±4.0) GPa, 212.99 (±0.01) ų, and 6.5 (±0.4) respectively (Vanpeteghem et al., 2000).
Additional notes
comparison
DFT V0 for phase Egg (loP) is 1.3 % smaller and K0 is 4.7 % greater than these experimental results; experiments are at 300 K while simulations are static (0 K)