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Ferropericlase

(Mg0.987,Fe0.013)O

third-order Birch-Murnaghan · Original · 2008

V₀
Unknown basis
K₀
161.100
GPa
Adiabatic
K′
4.200
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

OxideMolar
MgO0.987
FeO0.013

Formula: (Mg0.987Fe0.013)O

Conditions & method

Tref
Pref
Structure
B1 rocksalt (Fm-3m)
Method
experiment (Brillouin / ultrasonic / elasticity)
Brillouin spectroscopy in diamond anvil cell to 9.4 GPa
Sample
MW1.3 single crystal (This study)

Source

Paper
Single-crystal elastic properties of (Mg0.987, Fe0.013)O to 9 GPa
Authors
H. J. Reichmann; Stanislav Sinogeikin; Jay D. Bass
DOI
10.2138/am.2008.2717
Year
2008
Journal
American Mineralogist
Origin
Original (measured or fitted in the source paper)

Evidence from the paper

The adiabatic bulk (KS0) and Voigt-Reuss-Hill value for the shear (G0) modulus are 161.1(3.0) and 127.1(2.0) GPa ... A third-order finite strain EOS fit yields for the pressure derivative of the bulk modulus KS' = dKS/dP = 4.2(2).

Additional notes

G0 GPa
127.1(2.0) (Voigt-Reuss-Hill)
G prime
2.3(1)
C11 GPa
291.2(3.0)
C12 GPa
96.1(2.0)
C44 GPa
151.9(2.0)
cell parameter a
4.214(2) Å
density
3.615(6) g/cm3
anisotropy factor A
0.373
note
K0 is adiabatic bulk modulus from Brillouin single-crystal moduli; no static-compression V0 fit reported