Composition and state of the core
The composition and state of Earth's core, located deeper than 2,900 km from the surface,
remain largely uncertain. Recent static experiments on iron and alloys performed up to inner …
remain largely uncertain. Recent static experiments on iron and alloys performed up to inner …
High-pressure studies with x-rays using diamond anvil cells
G Shen, HK Mao - Reports on progress in Physics, 2016 - iopscience.iop.org
Pressure profoundly alters all states of matter. The symbiotic development of ultrahigh-
pressure diamond anvil cells, to compress samples to sustainable multi-megabar pressures; …
pressure diamond anvil cells, to compress samples to sustainable multi-megabar pressures; …
High Poisson's ratio of Earth's inner core explained by carbon alloying
Geochemical, cosmochemical, geophysical, and mineral physics data suggest that iron (or
iron–nickel alloy) is the main component of the Earth's core,,. The inconsistency between the …
iron–nickel alloy) is the main component of the Earth's core,,. The inconsistency between the …
Constraints on Earth's inner core composition inferred from measurements of the sound velocity of hcp-iron in extreme conditions
Hexagonal close-packed iron (hcp-Fe) is a main component of Earth's inner core. The
difference in density between hcp-Fe and the inner core in the Preliminary Reference Earth …
difference in density between hcp-Fe and the inner core in the Preliminary Reference Earth …
Hidden carbon in Earth's inner core revealed by shear softening in dense Fe7C3
Earth's inner core is known to consist of crystalline iron alloyed with a small amount of nickel
and lighter elements, but the shear wave (S wave) travels through the inner core at about …
and lighter elements, but the shear wave (S wave) travels through the inner core at about …
Carbon in the core: its influence on the properties of core and mantle
Earth's core is known to be metallic, with a density of about 9.90 Mg· m− 3 at the coremantle
boundary and as such is substantially denser than the surrounding mantle (5.56 Mg· m− 3 at …
boundary and as such is substantially denser than the surrounding mantle (5.56 Mg· m− 3 at …
Sound velocities of Fe and Fe-Si alloy in the Earth's core
Compressional wave velocity-density (VP-ρ) relations of candidate Fe alloys at relevant
pressure-temperature conditions of the Earth's core are critically needed to evaluate the …
pressure-temperature conditions of the Earth's core are critically needed to evaluate the …
Partitioning of carbon between Fe-rich alloy melt and silicate melt in a magma ocean–implications for the abundance and origin of volatiles in Earth, Mars, and the …
The budget and origin of carbon in Earth and other terrestrial planets are debated and one
of the key unknowns is the fate of carbon during early planetary processes including …
of the key unknowns is the fate of carbon during early planetary processes including …
Carbon-depleted outer core revealed by sound velocity measurements of liquid iron–carbon alloy
Y Nakajima, S Imada, K Hirose, T Komabayashi… - Nature …, 2015 - nature.com
The relative abundance of light elements in the Earth's core has long been controversial.
Recently, the presence of carbon in the core has been emphasized, because the density …
Recently, the presence of carbon in the core has been emphasized, because the density …
The effect of nickel on the properties of iron at the conditions of Earth's inner core: Ab initio calculations of seismic wave velocities of Fe–Ni alloys
B Martorell, J Brodholt, IG Wood, L Vočadlo - Earth and Planetary Science …, 2013 - Elsevier
We have performed athermal periodic plane-wave density functional calculations within the
generalised gradient approximation on the bcc, fcc and hcp structures of Fe1− XNiX alloys …
generalised gradient approximation on the bcc, fcc and hcp structures of Fe1− XNiX alloys …