Equation of state of the hydrous phase δ‐AlOOH at room temperature up to 22.5 GPa
10.1029/2001gl014224 · 2002 · Geophysical Research Letters
C. B. Vanpeteghem; Eiji Ohtani; Tadashi Kondo
10 EOS records from this paper
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| delta-AlOOH |
|
— | 56.54 ų Unit cell |
252 | 4 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| Why this differs from similar rows: Fit with K'0T fixed to 4, giving K0T=252 GPa; sibling row instead fits both parameters freely, yielding a different K0T=228 and K'=7. | ||||||||||||||
| delta-AlOOH |
|
— | 56.54 ų Unit cell |
228 | 7 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| 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). | ||||||||||||||
| Stishovite |
|
— | — | 291 | 4.790 | unknown | — | Cited | ||||||
| hydrous ringwoodite | hydrous ringwoodite, water content 2.8 ± 0.2 wt % | — | — | 148 | 5 | unknown | — | Cited | ||||||
| hydrous ringwoodite | hydrous ringwoodite (footnote b: water content of hydrous wadsleyite was 2.5 ± 0.3 wt %) | — | — | 155 | 4.300 | unknown | — | Cited | ||||||
| phase A | — | — | — | 145 | 4 | unknown | — | Cited | ||||||
| Superhydrous phase B | — | — | — | 142.600 | 5.800 | unknown | — | Cited | ||||||
| phase E | — | — | — | 112 | — | unknown | — | Cited | ||||||
| phase G | — | — | — | 200 | 4 | unknown | — | Cited | ||||||
| diaspore |
|
— | — | 167.500 | 4 | unknown | — | Cited | ||||||