Thermal Equations of State of Corundum and Rh2O3 (II)‐Type Al2O3 up to 153 GPa and 3400 K
10.1029/2021jb023805 · 2022 · Journal of Geophysical Research Solid Earth
Weigang Shi; Wei Wei; Ningyu Sun; Zhu Mao; Vitali B. Prakapenka
21 EOS records from this paper
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Corundum |
|
300 K | 255.1 ų Unit cell |
246 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 1 'This study' preferred model with theta_D0 fixed to 1,100 K (same as Table 2 Model 3); sibling Table 2 rows fix theta_D0 to different values (500 K, 800 K), changing the fitted K_T0. | ||||||||||||
| Corundum |
|
300 K | 255.05 ų Unit cell |
258 | 4.880 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites Dubrovinsky et al. (1998) original published values; other rows in this compilation cite different original studies (Dewaele et al. 2013; Richet et al. 1988; d'Amour et al. 1978). | ||||||||||||
| Corundum |
|
300 K | 255.45 ų Unit cell |
254 | 4 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites Dewaele et al. (2013) original published values; other rows cite different original studies, and a separate row (sibling group) reanalyzes this same study's data using different pressure scales. | ||||||||||||
| Corundum |
|
300 K | 255.96 ų Unit cell |
246 | 4 | unknown | — | Original | ||||
| Why this differs from similar rows: Reanalysis of Dewaele et al. (2013) P-V data with pressures recalculated using the self-consistent scales of Fei et al. (2007) and Dewaele et al. (2004); differs from that study's originally published values and from the Richet et al. (1988) reanalysis (sibling row). | ||||||||||||
| Corundum |
|
300 K | 255.05 ų Unit cell |
255 | 5.100 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites Richet et al. (1988) original published values; other rows cite different original studies, and a separate row (sibling group) reanalyzes this same study's data using different pressure scales. | ||||||||||||
| Corundum |
|
300 K | 255.05 ų Unit cell |
277 | 4 | unknown | — | Original | ||||
| Why this differs from similar rows: Reanalysis of Richet et al. (1988) P-V data with pressures recalculated using the self-consistent scales of Fei et al. (2007) and Dewaele et al. (2004); differs from that study's originally published values and from the Dewaele et al. (2013) reanalysis (sibling row). | ||||||||||||
| Corundum |
|
300 K | 255.89 ų Unit cell |
255 | 4.230 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites d'Amour et al. (1978) original published values; other rows in this compilation cite different original studies (Dubrovinsky et al. 1998; Dewaele et al. 2013; Richet et al. 1988). | ||||||||||||
| Corundum |
|
— | 250.13 ų Unit cell |
249 | 3.960 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites theoretical results from Wang and Wu (2018); sibling row cites a different theoretical study (Oganov and Ono 2005). | ||||||||||||
| Corundum |
|
— | 254.57 ų Unit cell |
253 | 4.240 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites theoretical results from Oganov and Ono (2005); sibling row cites a different theoretical study (Wang and Wu 2018). | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 165.2 ų Unit cell |
256 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 1 'This study' preferred model with q fixed to 1 (same as Table 3 Model 2); sibling Table 3 rows fix q to different values (0.6, 1.4, 1.8, 2.2), changing the fitted K_T0/V0. | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
— | 163.36 ų Unit cell |
261 | 3.970 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites theoretical results from Marton and Cohen (1994); other rows cite different theoretical studies (Thomson et al. 1996; Oganov and Ono 2005). | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
— | 165.08 ų Unit cell |
262 | 3.930 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites theoretical results from Thomson et al. (1996); other rows cite different theoretical studies (Marton and Cohen 1994; Oganov and Ono 2005). | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
— | 165.69 ų Unit cell |
258 | 4.140 | unknown | — | Cited | ||||
| Why this differs from similar rows: Table cites theoretical results from Oganov and Ono (2005); other rows cite different theoretical studies (Marton and Cohen 1994; Thomson et al. 1996). | ||||||||||||
| Corundum |
|
300 K | 255.1 ų Unit cell |
245 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 2 Model 1 with theta_D0 fixed to 500 K; sibling rows fix theta_D0 to different values (800 K, 1,100 K), changing the fitted K_T0. | ||||||||||||
| Corundum |
|
300 K | 255.1 ų Unit cell |
245 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 2 Model 2 with theta_D0 fixed to 800 K; sibling rows fix theta_D0 to different values (500 K, 1,100 K), changing the fitted K_T0. | ||||||||||||
| Corundum |
|
300 K | 255.1 ų Unit cell |
246 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 2 Model 3 with theta_D0 fixed to 1,100 K (matches Table 1 'This study' preferred model); sibling rows fix theta_D0 to different values (500 K, 800 K). | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 165.5 ų Unit cell |
253 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 3 Model 1 with q fixed to 0.6; sibling rows fix q to different values (1, 1.4, 1.8, 2.2), changing the fitted K_T0/V0. | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 165.2 ų Unit cell |
256 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 3 Model 2 with q fixed to 1, identical to the preferred fit in Table 1 'This study'; sibling rows fix q to different values (0.6, 1.4, 1.8, 2.2). | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 164.8 ų Unit cell |
259 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| 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. | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 164.5 ų Unit cell |
262 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 3 Model 4 with q fixed to 1.8; sibling rows fix q to different values (0.6, 1, 1.4, 2.2), changing the fitted K_T0/V0. | ||||||||||||
| Rh₂O₃(II)-type Al₂O₃ |
|
300 K | 164.2 ų Unit cell |
262 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table 3 Model 5 with q fixed to 2.2; sibling rows fix q to different values (0.6, 1, 1.4, 1.8), changing the fitted K_T0/V0. | ||||||||||||