Bridgmanite
MgSiO3
unknown · Cited · 1996
V₀
—
Unknown basis
K₀
260
GPa
Isothermal
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 |
|---|---|
| MgO | 1 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- experiment (Brillouin / ultrasonic / elasticity)high-pressure single-crystal and polycrystalline X-ray diffraction and Brillouin scattering (cited compilation)
- Sample
- consensus literature value [Jeanloz and Hemley, 1994]
Source
- Paper
- Thermoelastic properties of MgSiO3 perovskite determined by in situ X ray obser…
- Authors
- Nobumasa Funamori; Takehiko Yagi; Wataru Utsumi; Tadashi Kondo; Takeyuki Uchida; Miho Funamori
- DOI
- 10.1029/95jb03732
- Year
- 1996
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
There is now good agreement among most groups, even employing the different techniques, yielding values for the bulk modulus of K300,0 = 260 GPa and for its pressure derivative of K'300,0 = 4 [see Jeanloz and Hemley, 1994].
Additional notes
cited studies
Yagi et al. [1982]; Kudoh et al. [1987]; Knittle and Jeanloz [1987]; Ross and Hazen [1990]; Mao et al. [1991]; Yeganeh-Haeri et al. [1989]; Yeganeh-Haeri [1994]