Davemaoite
CaSiO3
unknown · Original · 2018
V₀
—
Unknown basis
K₀
223
GPa
Unknown
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| — | — | Unknown basis | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- perovskite (unspecified)
- Method
- experiment (XRD / DAC / multianvil compression)synchrotron X-ray diffraction (XRD) in diamond-anvil cell
- Sample
- thermally stress-annealed sample in Ne pressure medium, diamond-anvil cell, 28-62 GPa
Source
- Paper
- Crystal structure of CaSiO3 perovskite at 28–62 GPa and 300 K under quasi-hydro…
- Authors
- Huawei Chen; Sang‐Heon Shim; Kurt Leinenweber; Vitali B. Prakapenka; Yue Meng; Clemens Prescher
- DOI
- 10.2138/am-2018-6087
- Year
- 2018
- Journal
- American Mineralogist
- Origin
- Original (measured or fitted in the source paper)
Evidence from the paper
Our fitting shows that the bulk modulus of CaPv is 223 ± 6 GPa when its pressure derivative fixed to 4, which is also consistent with first-principles calculations.
Additional notes
pressure range
28-62 GPa
note
V0 not reported in the provided text (abstract only); EOS model not explicitly named