Davemaoite
CaSiO3
Birch-Murnaghan (order unspecified) · Cited · 2021
Why this differs from similar rows?
Table 2 row re-analyzing Chen (2018) data under a self-consistent pressure scale, K' fixed to 4; other rows re-analyze different original studies (Shim 2002, Ono 2004, Thomson 2019).
V₀
46.2
ų
Unit cell
K₀
228
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 46.2 | ų | Unit cell | — |
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
- hollandite / hollandite-II
- Method
- experiment (XRD / DAC / multianvil compression)X-ray diffraction (literature data re-analyzed)
- Sample
- Chen (2018), Table 2 (re-analyzed under self-consistent pressure scale)
Source
- Paper
- High-pressure experimental study of tetragonal CaSiO3-perovskite to 200 GPa
- Authors
- Ningyu Sun; Hui Bian; Youyue Zhang; Jung‐Fu Lin; Vitali B. Prakapenka; Zhu Mao
- DOI
- 10.2138/am-2021-7913
- Year
- 2021
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: Chen (2018) K0T (GPa) 228(6); K' 4a; V0 (Å3) 46.2(1). Footnote: a Fixed.
Additional notes
note
re-analyzed by this study under self-consistent pressure scale of Fei et al. (2007)