Collective motion in hcp-Fe at Earth's inner core conditions
Earth's inner core is predominantly composed of solid iron (Fe) and displays intriguing
properties such as strong shear softening and an ultrahigh Poisson's ratio. Insofar, physical …
properties such as strong shear softening and an ultrahigh Poisson's ratio. Insofar, physical …
The Earth's core as a reservoir of water
Current estimates of the budget and distribution of water in the Earth have large
uncertainties, most of which are due to the lack of information about the deep Earth. Recent …
uncertainties, most of which are due to the lack of information about the deep Earth. Recent …
Crystal Structure and Melting of Fe Shock Compressed to 273 GPa: In Situ X-Ray Diffraction
SJ Turneaure, SM Sharma, YM Gupta - Physical Review Letters, 2020 - APS
Despite extensive shock wave and static compression experiments and corresponding
theoretical work, consensus on the crystal structure and the melt boundary of Fe at Earth's …
theoretical work, consensus on the crystal structure and the melt boundary of Fe at Earth's …
PBE-GGA predicts the B8↔ B2 phase boundary of FeO at Earth's core conditions
FeO is a crucial component of the Earth's core, and its thermodynamic properties are
essential to developing more accurate core models. It is also a notorious correlated insulator …
essential to developing more accurate core models. It is also a notorious correlated insulator …
Ab initio determination of iron melting at terapascal pressures and Super-Earths core crystallization
F González-Cataldo, B Militzer - Physical Review Research, 2023 - APS
We performed ab initio molecular dynamics simulations for pressures and temperatures from
300–5000 GPa and 3000–30 000 K in order to determine the equation of state of solid and …
300–5000 GPa and 3000–30 000 K in order to determine the equation of state of solid and …
Shock melting curve of iron: A consensus on the temperature at the Earth's inner core boundary
J Li, Q Wu, J Li, T Xue, Y Tan, X Zhou… - Geophysical …, 2020 - Wiley Online Library
The Earth's core consists of iron as the major component. The melting point of iron at the
inner core boundary constrains the thermal structure and solidification of the Earth's core …
inner core boundary constrains the thermal structure and solidification of the Earth's core …
Characterization of the high-pressure and high-temperature phase diagram and equation of state of chromium
S Anzellini, D Errandonea, L Burakovsky, JE Proctor… - Scientific reports, 2022 - nature.com
The high-pressure and high-temperature phase diagram of chromium has been investigated
both experimentally (in situ), using a laser-heated diamond-anvil cell technique coupled with …
both experimentally (in situ), using a laser-heated diamond-anvil cell technique coupled with …
Primitive noble gases sampled from ocean island basalts cannot be from the Earth's core
Noble gas isotopes in plumes require a source of primitive volatiles largely isolated in the
Earth for 4.5 Gyrs. Among the proposed reservoirs, the core is gaining interest in the …
Earth for 4.5 Gyrs. Among the proposed reservoirs, the core is gaining interest in the …
Strong shear softening induced by superionic hydrogen in Earth's inner core
Geophysical and geochemical evidence suggests that Earth's core is predominantly made of
iron (or iron-nickel alloy) with several percent of light elements. However, Earth's solid inner …
iron (or iron-nickel alloy) with several percent of light elements. However, Earth's solid inner …
Wide-ranged multiphase equation of state for iron and model variations addressing uncertainties in high-pressure melting
CJ Wu, LX Benedict, PC Myint, S Hamel, CJ Prisbrey… - Physical Review B, 2023 - APS
We describe the construction of a wide-ranged multiphase equation of state for elemental
iron, consisting of four solid phases and one fluid phase. The free-energy models for the …
iron, consisting of four solid phases and one fluid phase. The free-energy models for the …