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Composition of the Earth's inner core from high-pressure sound velocity measurements in Fe–Ni–Si alloys

Journal Article · · Earth and Planetary Science Letters
Abstract not provided
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
1116957
Report Number(s):
LLNL-JRNL-425397
Journal Information:
Earth and Planetary Science Letters, Journal Name: Earth and Planetary Science Letters Journal Issue: 1-2 Vol. 295; ISSN 0012-821X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

References (46)

Ab initio calculations of the elasticity of hcp-Fe as a function of temperature at inner-core pressure journal November 2009
Oxygen as a light element: A solution to single-stage core formation journal October 2009
Light elements in the core: Effects of impurities on the phase diagram of iron journal January 2008
Light elements in the Earth's outer core: A critical review journal September 1994
Elasticity and constitution of the Earth's interior journal June 1952
Partitioning of oxygen during core formation on the Earth and Mars journal May 2004
High-temperature viscoelastic relaxation in iron and its implications for the shear modulus and attenuation of the Earth's inner core journal October 2000
Effect of light elements on the sound velocities in solid iron: Implications for the composition of Earth's core journal February 2007
Sound Velocities in Iron to 110 Gigapascals journal January 2001
On the Presence of Liquid in Earth's Inner Core journal March 2000
Quasihydrostatic Equation of State of Iron above 2 Mbar journal November 2006
Elasticity of Hexagonal-Closed-Packed Cobalt at High Pressure and Temperature: A Quasiharmonic Case journal February 2008
Sound wave velocities of fcc Fe–Ni alloy at high pressure and temperature by mean of inelastic X-ray scattering journal September 2007
Phase relations of Fe-Si alloy up to core conditions: Implications for the Earth inner core: FE-SI ALLOY UP TO CORE CONDITIONS journal June 2008
Lattice preferred orientation and stress in polycrystalline hcp-Co plastically deformed under high pressure journal July 2006
Elastic anisotropy in hcp metals at high pressure and the sound wave anisotropy of the Earth's inner core journal January 2006
Aggregate and single-crystalline elasticity of hcp cobalt at high pressure journal October 2005
Elasticity of iron at the temperature of the Earth's inner core journal September 2001
Sulfur in the Earth’s inner core journal December 2001
Physics of Iron at Earth's Core Conditions journal February 2000
The chemical composition of the Earth journal September 1995
The plastic deformation of iron at pressures of the Earth's inner core journal June 2000
Normal mode constraints on shear and compressional wave velocity of the Earth's inner core journal April 2008
Status of phonon studies at high pressure by inelastic x-ray scattering journal January 2003
Melting relations in the iron-sulfur system at ultra-high pressures: Implications for the thermal state of the Earth journal January 1990
The integral enstatite chondrite model of the Earth journal August 1995
Partitioning of FeO between magnesiowüstite and liquid iron at high pressures and temperatures: Implications for the composition of the Earth's outer core journal May 2007
Preliminary reference Earth model journal June 1981
Composition and temperature of Earth's inner core journal November 1997
Experimental determination of the elasticity of iron at high pressure journal January 2008
Effects of Si on the elastic property of Fe at Earth's inner core pressures: First principles study journal May 2009
Modeling analysis of the influence of plasticity on high pressure deformation of hcp-Co journal February 2009
The effect of silicon impurities on the phase diagram of iron and possible implications for the Earth's core structure journal September 2008
Stability of possible Fe-FeS and Fe-FeO alloy phases at high pressure and the composition of the Earth's core journal May 1995
Composition and temperature of the Earth’s core constrained by combining ab initio calculations and seismic data journal January 2002
Constraints on grain size and stable iron phases in the uppermost inner core from multiple scattering modeling of seismic velocity and attenuation journal March 2008
The equation of state of CsCl-structured FeSi to 40 GPa: Implications for silicon in the Earth's core: THE EQUATION OF STATE OF CSCL-STRUCTURED FESI TO 40 GPA journal January 2003
Estimation of Single-Crystal Elastic Moduli from Polycrystalline X-Ray Diffraction at High Pressure: Application to FeO and Iron journal March 1998
Core formation and the oxidation state of the Earth journal July 2005
Deformation of polycrystalline iron up to 30GPa and 1000K journal July 2004
Elastic anisotropy in textured hcp-iron to 112 GPa from sound wave propagation measurements journal August 2004
In situ determination of Fe–Fe3S phase diagram and liquid structural properties up to 65 GPa journal August 2008
Ab initio calculations of the elasticity of iron and iron alloys at inner core conditions: Evidence for a partially molten inner core? journal February 2007
Elasticity of Cobalt at High Pressure Studied by Inelastic X-Ray Scattering journal November 2004
The composition of the Earth's core: constraints on S and Si vs. temperature journal December 1997
Chemical bonding in the outer core: High-pressure electronic structures of oxygen and sulfur in metallic iron journal January 1991

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