delta-AlOOH
AlOOH
Birch-Murnaghan (order unspecified) · Original · 2002
Why this differs from similar rows?
Least-squares fit with two free variable parameters (K0T and K'0T both free), giving K0T=228, K'0T=7; sibling row instead fixes K'0T=4 (K0T=252).
V₀
56.54
ų
Unit cell
K₀
228
GPa
Isothermal
K′
7
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 56.54 | 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 |
| H2O | 0.5 |
Formula: AlOOH
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- other / unspecified
- Method
- experiment (XRD / DAC / multianvil compression)angle-dispersive x-ray diffraction (synchrotron, Mao-Bell diamond-anvil cell, He pressure medium, ruby fluorescence pressure scale), decompression
- Sample
- pure delta-AlOOH synthesized at 25.5 GPa and 1005 degC from Al(OH)3
Source
- Paper
- Equation of state of the hydrous phase δ‐AlOOH at room temperature up to 22.5 G…
- Authors
- C. B. Vanpeteghem; Eiji Ohtani; Tadashi Kondo
- DOI
- 10.1029/2001gl014224
- Year
- 2002
- Journal
- Geophysical Research Letters
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
A least-square fitting with two variable parameters gives K0T = 228 (±3) GPa with K'0T = 7 (±1).
Additional notes
note
Table 2 lists this fit as 228 ± 7 GPa with K' = 7 ± 1 (present work), differing from the text uncertainty of ±3 GPa