Bridgmanite
MgSiO3
unknown · Cited · 1993
Why this differs from similar rows?
Cited as the high end of an interlaboratory range, from Knittle and Jeanloz [20]; sibling rows cite a different experimental study [27] or a theoretical LAPW calculation [28].
V₀
—
Unknown basis
K₀
266
GPa
Unknown
K′
—
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 |
|---|---|
| MgO | 1 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- experiment (XRD / DAC / multianvil compression)diamond anvil cell experiment (cited)
- Sample
- experimental measurement, Knittle and Jeanloz (ref [20])
Source
- Paper
- Ab initiomolecular dynamics with variable cell shape: Application toMgSiO3
- Authors
- Renata M. Wentzcovitch; José Luı́s Martins; G. D. Price
- DOI
- 10.1103/physrevlett.70.3947
- Year
- 1993
- Journal
- Physical Review Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
The Pbnm phase's value is within the range spanned by interlaboratory measurements (from 243 [27] to 266 GPa [20]).
Additional notes
note
Reported only as the high end of an interlaboratory K0 range; no V0 or K' given for this citation.
cited reference
E. Knittle and R. Jeanloz, Science 235, 668 (1987)