Single-crystal X-ray diffraction on the structure of (Al,Fe)-bearing bridgmanite in the lower mantle
10.2138/am-2023-8969 · 2023 · American Mineralogist
Suyu Fu; Stella Chariton; Yanyao Zhang; Takuo Okuchi; Vitali B. Prakapenka; Jung‐Fu Lin
11 EOS records from this paper
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | 163.85 ų Unit cell |
242 | 4 | second-order Birch-Murnaghan | — | Original | ||||||||||||
| Bridgmanite |
|
— | 164.64 ų Unit cell |
228 | 4.100 | third-order Birch-Murnaghan | — | Original | ||||||||||||
| Bridgmanite |
|
— | 34.71 ų Polyhedron |
240 | 4 | Birch-Murnaghan (order unspecified) | — | Original | ||||||||||||
| Why this differs from similar rows: AO12 pseudo-dodecahedron polyhedral volume with K' fixed to 4; sibling row 1154 fits K' freely for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 34.77 ų Polyhedron |
229 | 4.400 | Birch-Murnaghan (order unspecified) | — | Original | ||||||||||||
| Why this differs from similar rows: AO12 pseudo-dodecahedron polyhedral volume with K' fitted freely (4.4); sibling row 1153 fixes K' to 4 for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 7.8 ų Polyhedron |
293 | 4 | Birch-Murnaghan (order unspecified) | — | Original | ||||||||||||
| Why this differs from similar rows: BO6 octahedron polyhedral volume with K' fixed to 4; sibling row 1156 fits K' freely for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 7.84 ų Polyhedron |
248 | 5.700 | Birch-Murnaghan (order unspecified) | — | Original | ||||||||||||
| Why this differs from similar rows: BO6 octahedron polyhedral volume with K' fitted freely (5.7); sibling row 1155 fixes K' to 4 for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 169.7 ų Unit cell |
237 | 4.020 | Birch-Murnaghan (order unspecified) | — | Cited | ||||||||||||
| Why this differs from similar rows: Reports unit-cell volume/K0/K' from Dubrovinsky et al. (2010), distinct from the AO12/BO6 polyhedral-volume fits in the sibling rows. | ||||||||||||||||||||
| Bridgmanite |
|
— | 35.84 ų Polyhedron |
246 | 4 | Birch-Murnaghan (order unspecified) | — | Cited | ||||||||||||
| Why this differs from similar rows: AO12 pseudo-dodecahedron volume from Dubrovinsky et al. (2010) with K' fixed to 4; sibling row 1159 fits K' freely for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 35.61 ų Polyhedron |
289 | 2.800 | Birch-Murnaghan (order unspecified) | — | Cited | ||||||||||||
| Why this differs from similar rows: AO12 pseudo-dodecahedron volume from Dubrovinsky et al. (2010) with K' fitted freely (2.8); sibling row 1158 fixes K' to 4. | ||||||||||||||||||||
| Bridgmanite |
|
— | 8.2 ų Polyhedron |
313 | 4 | Birch-Murnaghan (order unspecified) | — | Cited | ||||||||||||
| Why this differs from similar rows: BO6 octahedron volume from Dubrovinsky et al. (2010) with K' fixed to 4; sibling row 1161 fits K' freely for the same polyhedron. | ||||||||||||||||||||
| Bridgmanite |
|
— | 8.17 ų Polyhedron |
340 | 3.200 | Birch-Murnaghan (order unspecified) | — | Cited | ||||||||||||
| Why this differs from similar rows: BO6 octahedron volume from Dubrovinsky et al. (2010) with K' fitted freely (3.2); sibling row 1160 fixes K' to 4. | ||||||||||||||||||||