[HTML][HTML] Viscosities of hcp iron alloys under Earth's inner core conditions
Viscosity is critical for controlling the dynamics and evolution of the Earth's inner core (IC).
The viscosities of hexagonal close-packed (hcp) and body-centred cubic (bcc) Fe were …
The viscosities of hexagonal close-packed (hcp) and body-centred cubic (bcc) Fe were …
Structural study of hcp and liquid iron under shock compression up to 275 GPa
We combine nanosecond laser shock compression with in situ picosecond x-ray diffraction
to provide structural data on iron up to 275 GPa. We constrain the extent of hcp-liquid …
to provide structural data on iron up to 275 GPa. We constrain the extent of hcp-liquid …
A closer examination of the nature of atomic motion in the interfacial region of crystals upon approaching melting
Although crystalline materials are often conceptualized as involving a static lattice
configuration of particles, it has recently become appreciated that string-like collective …
configuration of particles, it has recently become appreciated that string-like collective …
Effects of cooperative diffusion on rheological and mechanical behavior of bcc Fe: A combined approach using elastically collective nonlinear Langevin equation …
Anomalous seismic data on Earth's inner core have challenged our understanding of
mineral physics for decades. According to recent ab initio studies, bcc Fe may be a key to …
mineral physics for decades. According to recent ab initio studies, bcc Fe may be a key to …
New Constraints on the Melting Temperature and Phase Stability of Shocked Iron up to 270 GPa Probed by Ultrafast X-Ray Absorption Spectroscopy
S Balugani, JA Hernandez, N Sévelin-Radiguet… - Physical Review Letters, 2024 - APS
Studying the properties and phase diagram of iron at high-pressure and high-temperature
conditions has relevant implications for Earth's inner structure and dynamics and the …
conditions has relevant implications for Earth's inner structure and dynamics and the …
Superionic crystal: How to model its relaxation and diffusion via a microscopic theory of glass-forming liquids
UO 2 is a crucial nuclear material but its behaviors are elusive due to the impact of
superionic diffusion. Herein, we introduce a simple but effective theoretical model to …
superionic diffusion. Herein, we introduce a simple but effective theoretical model to …
Thermoelastic properties of B2‐type FeSi under deep Earth conditions: Implications for the compositions of the ultralow‐velocity zones and the inner core
Abstract The CsCl‐type (B2) phase of FeSi (B2‐FeSi) has been proposed as a candidate
phase in the ultralow‐velocity zones (ULVZs) at the base of the lower mantle and in the …
phase in the ultralow‐velocity zones (ULVZs) at the base of the lower mantle and in the …
Reassessment of Birch's law on hcp‐Fe from ultrasonic sound velocity measurement and implications on the velocity profiles of Earth's inner core
We performed in situ X‐ray diffraction and ultrasonic sound velocity measurements on hcp‐
Fe up to 15 GPa, 873 K in a multi‐anvil apparatus. The elastic moduli and their pressure and …
Fe up to 15 GPa, 873 K in a multi‐anvil apparatus. The elastic moduli and their pressure and …
Melting Temperature of Iron Under the Earth's Inner Core Condition from Deep Machine Learning
F Wu, CZ Wang, KM Ho, S Wu… - ar** - 高压物理学报, 2024 - gywlxb.cn
Under the conditions of high temperature and high pressure, a series of materials transform
into superionic states, which fall between the solid and liquid states and are widely believed …
into superionic states, which fall between the solid and liquid states and are widely believed …