Equation of state and spin crossover of (Mg,Fe)O at high pressure, with implications for explaining topographic relief at the core-mantle boundary
10.2138/am-2016-5510 · 2016 · American Mineralogist
Natalia Solomatova; Jennifer M. Jackson; W. Sturhahn; J. K. Wicks; Jiyong Zhao; T. S. Toellner; Bora Kalkan; William Steinhardt
16 EOS records from this paper
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ferropericlase |
|
300 K | 77.29 ų Unit cell |
160 | 4.120 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin (HS) state fit with K' free (4.12); sibling row is the low-spin (LS) state of the same sample, fitted with K' fixed to 4 since it was unconstrained by the data. | ||||||||||||||||
| Ferropericlase |
|
300 K | 73.64 ų Unit cell |
173 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin (LS) state fit with K' fixed to 4 (not constrained by data); sibling row is the high-spin (HS) state of the same sample, fitted with K' free. | ||||||||||||||||
| Ferropericlase |
|
300 K | 75.55 ų Unit cell |
159 | 3.960 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Marquardt et al. (2009b) data, K' free (3.96); sibling row is the low-spin state of the same dataset, refit with K' fixed to 4. | ||||||||||||||||
| Ferropericlase |
|
300 K | 74.59 ų Unit cell |
159 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Marquardt et al. (2009b) data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free. | ||||||||||||||||
| Ferropericlase |
|
300 K | 75.94 ų Unit cell |
160 | 4.040 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Lin et al. (2005) data, K' free (4.04); sibling row is the low-spin state of the same dataset, refit with K' fixed to 4. | ||||||||||||||||
| Ferropericlase |
|
300 K | 72.29 ų Unit cell |
190 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Lin et al. (2005) data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free. | ||||||||||||||||
| Ferropericlase |
|
300 K | 76.34 ų Unit cell |
160 | 4.280 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Mao et al. (2011) data, K' free (4.28); sibling row is the low-spin state of the same dataset, refit with K' fixed to 4. | ||||||||||||||||
| Ferropericlase |
|
300 K | 73.74 ų Unit cell |
174 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Mao et al. (2011) data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free. | ||||||||||||||||
| Ferropericlase |
|
300 K | 77.1 ų Unit cell |
162 | 3.990 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Chen et al. (2012) data, K' free (3.99); sibling row is the low-spin state of the same dataset, refit with K' fixed to 4. | ||||||||||||||||
| Ferropericlase |
|
300 K | 73.77 ų Unit cell |
171 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Chen et al. (2012) data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free. | ||||||||||||||||
| Ferropericlase |
|
300 K | 77.49 ų Unit cell |
161 | 4.250 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Fei et al. (2007) data, K' free (4.25); other rows are the LS state of this dataset or HS/LS states of a different dataset (Zhuravlev et al. 2010). | ||||||||||||||||
| Ferropericlase |
|
300 K | 74.83 ų Unit cell |
162 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Fei et al. (2007) data, K' fixed to 4; other rows are the HS state of this dataset or a different dataset (Zhuravlev et al. 2010). | ||||||||||||||||
| Ferropericlase |
|
300 K | 77.41 ų Unit cell |
160 | 4.070 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Zhuravlev et al. (2010) data, K' free (4.07); other rows are the LS state of this dataset or a different dataset (Fei et al. 2007). | ||||||||||||||||
| Ferropericlase |
|
300 K | 73.56 ų Unit cell |
170 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Zhuravlev et al. (2010) data, K' fixed to 4; other rows are the HS state of this dataset or a different dataset (Fei et al. 2007). | ||||||||||||||||
| Ferropericlase |
|
300 K | 77.9 ų Unit cell |
159 | 3.820 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: High-spin state refit of Lin et al. (2005) (Mg0.40Fe0.60)O data, K' free (3.82); sibling row is the low-spin state of the same dataset, refit with K' fixed to 4. | ||||||||||||||||
| Ferropericlase |
|
300 K | 73.83 ų Unit cell |
169 | 4 | spin-crossover EOS | — | Original | ||||||||
| Why this differs from similar rows: Low-spin state refit of Lin et al. (2005) (Mg0.40Fe0.60)O data with K' fixed to 4; sibling row is the high-spin state of the same dataset, fitted with K' free. | ||||||||||||||||