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 …

Pressure profoundly alters all states of matter. The symbiotic development of ultrahigh-
pressure diamond anvil cells, to compress samples to sustainable multi-megabar pressures; …

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 …

Earth's inner core (IC) is less dense than pure iron, indicating the existence of light elements
within it. Silicon, sulfur, carbon, oxygen and hydrogen have been suggested to be the …

In the past couple of decades, the laser-heated diamond anvil cell (combined with in situ
techniques) has become an extensively used tool for studying pressure-temperature …

Recent conflicting reports on the high-pressure structural evolution of iron oxide-hydroxide
(FeOOH) offer starkly contrasting scenarios for the hydrogen and oxygen cycles in Earth's …

Geophysical and cosmochemical constraints suggest the inner-core is mainly composed of
iron with a few percent of light elements. However, despite extensive studies over many …

Abstract Knowledge of the sound velocity of core materials is essential to explain the
observed anomalously low shear wave velocity (VS) and high Poisson's ratio (σ) in the solid …

Phase relations, including the eutectic liquid composition in the Fe–C binary system, remain
unclear under the core pressure range, which makes estimating the carbon budget in the …

The source of volatiles is critical for understanding Terrestrial planet formation and the
conditions that lead to habitable planets. The Earth lies inside the so-called 'snow line' …