Davemaoite
CaSiO3
third-order Birch-Murnaghan · Cited · 2005
V₀
45.542
ų
Unit cell
K₀
232
GPa
Unknown
K′
3.900
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 45.542 | 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
- —
- Pref
- —
- Structure
- cubic perovskite (Pm-3m)
- Method
- literature compilation / cited valueaverage of published experimental EOS fits (literature)
- Sample
- average of published experimental fits
Source
- Paper
- CaSiO3 perovskite at lower mantle pressures
- Authors
- Razvan Caracas; Renata M. Wentzcovitch; G. D. Price; John P. Brodholt
- DOI
- 10.1029/2004gl022144
- Year
- 2005
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
'The average of the published fits of the experimental results by third order Birch-Murnigham EOS, yields a unit cell volume, V0 = 45.542 Å3, bulk modulus, K0, ranging from 232 to 288 GPa, and its pressure derivative, K', within 3.9-4.5. In most of the experimental studies, K' was fixed to 4.0.'
Additional notes
note
In most experimental studies K' was fixed to 4.0; range summarizes multiple cited studies (Mao et al. 1989; Tamai and Yagi 1989; Wang and Weidner 1994; Wang et al. 1996; Shim et al. 2000a,b, 2002; Kurashina et al. 2004; Ono et al. 2004; Shieh et al. 2004)