Light elements in the Earth's core
Constraining the core's composition is essential for understanding Earth accretion, core
formation and the sustainment of Earth's magnetic field. Earth's outer and inner core exhibit …
formation and the sustainment of Earth's magnetic field. Earth's outer and inner core exhibit …
High-resolution inelastic X-ray scattering I: Context, spectrometers, samples, and superconductors
AQR Baron - Synchrotron Light Sources and Free-Electron Lasers …, 2020 - Springer
This chapter reviews nonresonant, meV-resolution inelastic x-ray scattering (IXS), as applied
to the measurement of atomic dynamics of crystalline materials. It, in conjunction with a …
to the measurement of atomic dynamics of crystalline materials. It, in conjunction with a …
Evidence for a liquid silicate layer atop the Martian core
Seismic recordings made during the InSight mission suggested that Mars's liquid core would
need to be approximately 27% lighter than pure liquid iron,, implying a considerable …
need to be approximately 27% lighter than pure liquid iron,, implying a considerable …
The MING proposal at SHINE: Megahertz cavity enhanced X-ray generation
NS Huang, ZP Liu, BJ Deng, ZH Zhu, SH Li… - Nuclear Science and …, 2023 - Springer
The cavity-based X-ray free-electron laser (XFEL) has promise in producing fully coherent
pulses with a bandwidth of a few meV and very stable intensity, whereas the currently …
pulses with a bandwidth of a few meV and very stable intensity, whereas the currently …
Equation of state of liquid iron under extreme conditions
The density of liquid iron has been determined up to 116 GPa and 4350 K via static
compression experiments following an innovative analysis of diffuse scattering from liquid …
compression experiments following an innovative analysis of diffuse scattering from liquid …
The elemental abundances (with uncertainties) of the most Earth-like planet
To first order, the Earth as well as other rocky planets in the Solar System and rocky
exoplanets orbiting other stars, are refractory pieces of the stellar nebula out of which they …
exoplanets orbiting other stars, are refractory pieces of the stellar nebula out of which they …
Measuring the electrical resistivity of liquid iron to 1.4 Mbar
We determined the electrical resistivity of liquid Fe to 135 GPa and 6680 K using a four-
probe method in a diamond-anvil cell combined with two novel techniques:(i) enclosing a …
probe method in a diamond-anvil cell combined with two novel techniques:(i) enclosing a …
Chemical compositions of the outer core examined by first principles calculations
K Umemoto, K Hirose - Earth and Planetary Science Letters, 2020 - Elsevier
We have examined the density and bulk sound velocity of liquid iron alloys,(Fe, Ni) X (H, Si,
O, S, C) 1-X, at Earth's outer core pressure and temperature conditions based on first …
O, S, C) 1-X, at Earth's outer core pressure and temperature conditions based on first …
Earth's carbon deficit caused by early loss through irreversible sublimation
Carbon is an essential element for life, but its behavior during Earth's accretion is not well
understood. Carbonaceous grains in meteoritic and cometary materials suggest that …
understood. Carbonaceous grains in meteoritic and cometary materials suggest that …
Hydrogen limits carbon in liquid iron
Melting experiments were performed on the Fe‐C‐H system to 127 GPa in a laser‐heated
diamond anvil cell. On the basis of in situ and ex situ sample characterizations, we found …
diamond anvil cell. On the basis of in situ and ex situ sample characterizations, we found …