Original determinations
Parameters measured or fitted in the source paper (excludes cited values). One row per paper — expand to see every matching EOS record.
167 papers · 581 EOS records
2005 2 EOS records Stability and equation of state of MgGeO 3 post-perovskite phase 10.2138/am.2005.1702
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Post-perovskite |
|
300 K | 182.2 ų Unit cell |
210 | 3.500 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| Why this differs from similar rows: Fits K'0 freely (3.5) to the decompression P-V data; sibling row instead fixes K'0 to 4, giving a different K0/V0. | ||||||||||||||
| Post-perovskite |
|
300 K | 183.1 ų Unit cell |
192 | 4 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| Why this differs from similar rows: K'0 fixed to 4 in the fit; sibling row fits K'0 freely (3.5) to the same decompression data, giving a different K0/V0. | ||||||||||||||
2004 1 EOS record Equation of state and phase stability of mantle perovskite up to 140 GPa shock pressure and its geophysical i… 10.1029/2003gl019132
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | — | 260.100 | 4.180 | third-order Birch-Murnaghan | adiabatic | Original |
2004 2 EOS records Elasticity of single crystal and polycrystalline MgSiO3 perovskite by Brillouin spectroscopy 10.1029/2004gl019559
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | 162.4 ų Unit cell |
253 | — | none (not an EOS fit) | adiabatic | Original | ||||||
| Bridgmanite |
|
— | 162.4 ų Unit cell |
253 | — | none (not an EOS fit) | adiabatic | Original |
2004 3 EOS records Effect of aluminium on the compressibility of silicate perovskite 10.1029/2004gl020213
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | 163.23 ų Unit cell |
251.500 | 4 | second-order Birch-Murnaghan | — | Original | ||||||
| Bridgmanite |
|
— | 163.23 ų Unit cell |
251.500 | 4 | third-order Birch-Murnaghan | — | Original | ||||||
| Bridgmanite |
|
— | — | 259 | — | Birch-Murnaghan (order unspecified) | — | Original |
2004 1 EOS record Shock‐induced melting of MgSiO3 perovskite and implications for melts in Earth's lowermost mantle 10.1029/2004gl020237
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MgSiO3 melt (H.P.P. melt) |
|
— | — | 125 | 4 | third-order Birch-Murnaghan | adiabatic | Original |
2004 1 EOS record Elasticity of post‐perovskite MgSiO3 10.1029/2004gl020278
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Post-perovskite |
|
— | — | 231 | 4.300 | unknown | — | Original |
2004 1 EOS record Equation of State, Phase Stability of (Mg0.92, Fe0.08)SiO3 Perovskite from Shock Wave Study and Its Geophysic… 10.1063/1.1780510
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | — | 260.090 | 4.170 | third-order Birch-Murnaghan | adiabatic | Original |
2003 11 EOS records All-electron and pseudopotential study of MgO: Equation of state, anharmonicity, and stability 10.1103/physrevb.67.224110
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Periclase |
|
— | 77.629 ų Unit cell |
151.707 | 4.212 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table I, static GGA calculation using an effective core pseudopotential with large-core Mg; sibling rows use small-core Mg, PAW potentials, or a pressure-corrected fit. | ||||||||||||
| Periclase |
|
— | 76.595 ų Unit cell |
150.839 | 4.052 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table I, static GGA calculation using an ultrasoft effective core pseudopotential with small-core Mg; sibling rows use large-core Mg, PAW potentials, or a pressure-corrected fit. | ||||||||||||
| Periclase |
|
— | 76.049 ų Unit cell |
154.183 | 4.141 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table I, static GGA calculation using a projector augmented-wave (PAW) potential with large-core Mg; sibling rows use ECP potentials, small-core Mg, or a pressure-corrected fit. | ||||||||||||
| Periclase |
|
— | 76.947 ų Unit cell |
150.597 | 4.103 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table I, static GGA calculation using a projector augmented-wave (PAW) potential with small-core Mg; sibling rows use ECP potentials, large-core Mg, or a pressure-corrected fit. | ||||||||||||
| Periclase |
|
— | 73.425 ų Unit cell |
181.240 | 3.997 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Table V, pressure-corrected static PAW-GGA EOS with a constant -7.736 GPa shift to match the experimental ambient volume; distinct from uncorrected Table I rows. | ||||||||||||
| Periclase |
|
— | 74.439 ų Unit cell |
173.480 | 4.014 | third-order Birch-Murnaghan | — | Original | ||||
| Periclase |
|
298 K | 74.67 ų Unit cell |
170.530 | 4.036 | third-order Birch-Murnaghan | — | Original | ||||
| Periclase |
|
1000 K | 76.549 ų Unit cell |
152.595 | 4.130 | third-order Birch-Murnaghan | — | Original | ||||
| Periclase |
|
2000 K | 79.915 ų Unit cell |
127.719 | 4.244 | third-order Birch-Murnaghan | — | Original | ||||
| Periclase |
|
3000 K | 83.772 ų Unit cell |
106.110 | 4.331 | third-order Birch-Murnaghan | — | Original | ||||
| Periclase |
|
4000 K | 88.006 ų Unit cell |
88.473 | 4.385 | third-order Birch-Murnaghan | — | Original | ||||
2003 5 EOS records Equation of state of stishovite to lower mantle pressures 10.2138/am-2003-2-307
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stishovite |
|
— | 46.5126 ų Unit cell |
309.900 | 4.590 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Full unit-cell third-order BM EoS fit to combined single-crystal + powder XRD data; sibling row instead reports a linearized axial (a3) modulus, not the full-volume EoS. | ||||||||||||
| Stishovite |
|
— | — | 258 | 4 | second-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Axial modulus for the a3 lattice parameter (second-order BM, K' fixed to 4); sibling row is the corresponding c3 axial modulus (496 GPa), a different crystallographic axis. | ||||||||||||
| Stishovite |
|
— | — | 496 | 4 | second-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Axial modulus for the c3 lattice parameter (second-order BM, K' fixed to 4); sibling row is the corresponding a3 axial modulus (258 GPa), a different crystallographic axis. | ||||||||||||
| Stishovite |
|
— | — | 250.900 | 5.480 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Axial (linearized a3) modulus from a separate fit to model the a lattice parameter alone, not the full unit-cell EoS reported in the sibling row. | ||||||||||||
| Post-stishovite (CaCl₂-type) |
|
— | 46.31 ų Unit cell |
334 | 4 | second-order Birch-Murnaghan | — | Original | ||||
2002 4 EOS records On the structure and compressibility of CaSiO3 perovskite 10.1029/2001gl013523
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stishovite |
|
300 K | 46.53 ų Unit cell |
313.200 | 4.400 | third-order Birch-Murnaghan | — | Original | ||||||
| Davemaoite |
|
300 K | 45.9 ų Unit cell |
228 | 4.300 | third-order Birch-Murnaghan | — | Original | ||||||
| Why this differs from similar rows: VIBC calculation for the Pnma structural model; sibling rows use a different space group (Pm3m) or the VIB method without covalent correction. | ||||||||||||||
| Davemaoite |
|
300 K | 45.92 ų Unit cell |
229 | 4.300 | third-order Birch-Murnaghan | — | Original | ||||||
| Why this differs from similar rows: VIBC calculation for the Pm3m structural model; sibling rows use a different space group (Pnma) or the VIB method without covalent correction. | ||||||||||||||
| Davemaoite |
|
300 K | 44.75 ų Unit cell |
305 | 3.500 | third-order Birch-Murnaghan | — | Original | ||||||
| Why this differs from similar rows: VIB calculation (no covalent correction) for the Pm3m structural model; sibling rows use the covalent-corrected VIBC method instead. | ||||||||||||||
2002 2 EOS records Equation of state of the hydrous phase δ‐AlOOH at room temperature up to 22.5 GPa 10.1029/2001gl014224
| 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). | ||||||||||||||
2002 3 EOS records Structure and elasticity of single‐crystal (Mg,Fe)O and a new method of generating shear waves for gigahertz … 10.1029/2001jb000490
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ferropericlase |
|
— | 76.336 ų Unit cell |
158.400 | 5.490 | third-order Birch-Murnaghan | — | Original | ||||||
| Ferropericlase |
|
— | 77.453 ų Unit cell |
155.800 | 5.530 | third-order Birch-Murnaghan | — | Original | ||||||
| Ferropericlase |
|
— | 78.082 ų Unit cell |
151.300 | 5.550 | third-order Birch-Murnaghan | — | Original |
2002 4 EOS records First‐principles lattice dynamics and thermoelasticity of MgSiO3 ilmenite at high pressure 10.1029/2001jb000702
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Akimotoite |
|
— | 43.61 ų Unknown basis |
210 | 4.570 | fourth-order Birch-Murnaghan | — | Original | ||||||
| Akimotoite |
|
300 K | 44.2 ų Unknown basis |
201 | 4.640 | fourth-order Birch-Murnaghan | — | Original | ||||||
| Akimotoite |
|
1000 K | 45.03 ų Unknown basis |
182 | 4.860 | fourth-order Birch-Murnaghan | — | Original | ||||||
| Akimotoite |
|
2000 K | 48.59 ų Unknown basis |
153 | 5.200 | fourth-order Birch-Murnaghan | — | Original |
2002 4 EOS records Elasticity of (Mg,Fe)SiO3‐perovskite at high pressures 10.1029/2002gl014683
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | 159.6 ų Unit cell |
264.300 | 3.940 | third-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: EOS-derived value from a volumetric fit (V0=159.6, K0=264.3, K'=3.94) for x=0; sibling row instead reports elastic-constant-derived (VRH-averaged) moduli from Eulerian strain fits. | ||||||||||||||||
| Bridgmanite |
|
— | 160.5 ų Unit cell |
270 | 3.960 | third-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: EOS-derived volumetric fit for x=0.25, spin-polarized with Fe on the large 4c site (V0=160.5, K0=270, K'=3.96); sibling row instead reports VRH-averaged elastic-constant moduli. | ||||||||||||||||
| Bridgmanite |
|
— | — | 263 | 4.060 | third-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: Table 1 value from third-order Eulerian strain fits to elastic constants, VRH-averaged (K=263, K'=4.06); sibling row instead reports the volumetric EOS fit (K0=264.3, K'=3.94). | ||||||||||||||||
| Bridgmanite |
|
— | — | 268 | 4.100 | third-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: Table 1 value from Eulerian strain fits to elastic constants, VRH-averaged, x=0.25 (K=268, K'=4.10); sibling row instead reports the volumetric EOS fit (K0=270, K'=3.96). | ||||||||||||||||
2002 1 EOS record Tetragonal structure of CaSiO3 perovskite above 20 GPa 10.1029/2002gl016148
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Davemaoite |
|
— | 45.58 ų Unit cell |
255 | 4 | Birch-Murnaghan (order unspecified) | — | Original |
2002 1 EOS record Thermodynamic Representations for Solid/Melt Systems at High Pressure and Temperature 10.1063/1.1483512
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| periclase (melt) |
|
3105 K | — | 37.500 | 3.900 | Vinet | — | Original |
2002 1 EOS record Strength and Elasticity ofSiO2across the Stishovite–CaCl2-type Structural Phase Boundary 10.1103/physrevlett.89.2555…
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stishovite |
|
— | — | 304 | — | Birch-Murnaghan (order unspecified) | — | Original |
2002 3 EOS records Molecular dynamics simulation of MgSiO3-Al2O3 perovskite. 10.2465/jmps.97.13
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
298 K | — | 182 | — | fourth-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: Model 1 (random coupled Al-Fe substitution) MD simulation result; sibling row is Model 2 (adjacent-pair coupled substitution) for the same composition. | ||||||||||||||||
| Bridgmanite |
|
298 K | — | 179 | — | fourth-order Birch-Murnaghan | — | Original | ||||||||
| Why this differs from similar rows: Model 2 (adjacent-pair coupled substitution, local charge balance) MD result; sibling row is Model 1 (random coupled substitution) for the same composition. | ||||||||||||||||
| Bridgmanite |
|
298 K | — | 247.500 | — | fourth-order Birch-Murnaghan | — | Original | ||||||||
2001 5 EOS records Quasi‐hydrostatic compression of magnesium oxide to 52 GPa: Implications for the pressure‐volume‐temperature … 10.1029/2000jb900318
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Periclase |
|
300 K | 74.53 ų Unit cell |
170 | 3.590 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Fit with V0, K0T, and K' all free, yielding V0=74.53, K0T=170, K'=3.59; sibling row instead fixes K0T from independent sound-velocity data. | ||||||||||||
| Periclase |
|
300 K | 74.71 ų Unit cell |
160.200 | 3.990 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Fit with K0T fixed to 160.2 GPa from high-precision sound-velocity measurements, giving V0=74.71 and K'=3.99; marked preferred fit. Sibling row fits K0T freely. | ||||||||||||
| Periclase |
|
300 K | — | 160.200 | 4.120 | Vinet | — | Original | ||||
| Periclase |
|
300 K | — | 160.200 | 4.210 | other named EOS | — | Original | ||||
| Periclase |
|
300 K | 9.338 ų Unknown basis |
— | — | other named EOS | — | Original | ||||
2001 2 EOS records First principles thermoelasticity of MgSiO3‐perovskite: Consequences for the inferred properties of the lower… 10.1029/2001gl012910
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
300 K | 164.1 ų Unit cell |
247 | 3.970 | unknown | — | Original | ||||||
| Bridgmanite |
|
— | 162 ų Unit cell |
259 | 4.010 | unknown | — | Original |
2001 1 EOS record Systematics of elasticity: Ab initio study in B1-type alkaline earth oxides 10.1063/1.1371498
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Periclase |
|
— | — | 160 | 4.010 | third-order Birch-Murnaghan | — | Original |
2000 4 EOS records Thermoelastic properties and crystal structure of MgSiO3 perovskite at lower mantle pressure and temperature … 10.1029/1999gl008397
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bridgmanite |
|
— | 162.27 ų Unit cell |
253 | 3.900 | third-order Birch-Murnaghan | — | Original | ||||||
| Bridgmanite |
|
— | 162.3 ų Unit cell |
259 | 3.700 | Mie-Grüneisen-Debye / thermal EOS | — | Original | ||||||
| Bridgmanite |
|
— | 162.3 ų Unit cell |
259.500 | 3.690 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| Why this differs from similar rows: Table 3 fit (1): this study's data plus Fiquet et al. [1998], 63 data points, V0 fixed to 162.3; sibling fit (2) uses a different combined literature data set (213 points). | ||||||||||||||
| Bridgmanite |
|
— | 162.3 ų Unit cell |
267.600 | 3.780 | Birch-Murnaghan (order unspecified) | — | Original | ||||||
| Why this differs from similar rows: Table 3 fit (2): optimized from Wang et al. [1994], Funamori et al. [1996] and Saxena et al. [1999]; sibling fit (1) uses this study's data plus Fiquet et al. [1998]. | ||||||||||||||
2000 5 EOS records P‐V‐T equation of state of periclase from synchrotron radiation measurements 10.1029/1999jb900364
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Periclase |
|
300 K | 74.71 ų Unit cell |
159 | 4 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Fit with K' fixed to 4.0, giving K0=159 GPa; sibling row instead fixes K0 to 161 GPa (acoustic value) and fits K' freely (=3.94). | ||||||||||||
| Periclase |
|
300 K | 74.71 ų Unit cell |
161 | 3.940 | third-order Birch-Murnaghan | — | Original | ||||
| Why this differs from similar rows: Fit with K0 fixed to 161 GPa (from acoustic/sound-velocity measurements), K' fitted freely to 3.94; sibling row instead fixes K'=4 and fits K0 freely (=159). | ||||||||||||
| Periclase |
|
300 K | 74.71 ų Unit cell |
161 | 3.750 | Murnaghan | — | Original | ||||
| Periclase |
|
300 K | 74.71 ų Unit cell |
161 | 4.010 | Vinet | — | Original | ||||
| Periclase |
|
300 K | 74.71 ų Unit cell |
161 | 4.080 | other named EOS | — | Original | ||||
2000 2 EOS records The stability and P–V–T equation of state of CaSiO3 perovskite in the Earth's lower mantle 10.1029/2000jb900183
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Davemaoite |
|
300 K | 27.45 cm³/mol Molar |
236 | 3.900 | third-order Birch-Murnaghan | — | Original | ||||||
| Why this differs from similar rows: This study's own EDXRD LHDAC fit (18-96 GPa) with V0, K0, K' fixed from Shim et al. [2000] static-compression results; only gamma0 and q fitted here. | ||||||||||||||
| Davemaoite |
|
300 K | — | 280 | 4 | third-order Birch-Murnaghan | — | Original | ||||||
| Why this differs from similar rows: Fit of earlier 300 K DAC data to 130 GPa (Tamai/Yagi, Yagi, Tarrida/Richet, Mao 1989) with K' assumed=4; authors argue this K0 is biased high by nonhydrostatic stress. | ||||||||||||||
2000 1 EOS record A new equation of state based on Grover, Getting and Kennedy's empirical relation between volume and bulk mod… 10.1039/a910247g
| Phase | Composition | Tref | V₀ | K₀ (GPa) | K′ | EOS model | Method note | Origin | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Periclase |
|
298.2 K | 11.25 m³/mol Molar |
161.500 | 4.769 | other named EOS | — | Original |