Light elements in the Earth's core

K Hirose, B Wood, L Vočadlo - Nature Reviews Earth & Environment, 2021 - nature.com
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 …

Solids, liquids, and gases under high pressure

HK Mao, XJ Chen, Y Ding, B Li, L Wang - Reviews of Modern Physics, 2018 - APS
Pressure has long been recognized as a fundamental thermodynamic variable but its
application was previously limited by the available pressure vessels and probes. The …

Materials under extreme conditions using large X-ray facilities

S Pascarelli, M McMahon, C Pépin, O Mathon… - Nature Reviews …, 2023 - nature.com
Active research is ongoing that investigates the properties of matter under extreme pressure.
Such condensed matter is found inside planets at millions of atmospheres and thousands of …

Melting of iron at Earth's inner core boundary based on fast X-ray diffraction

S Anzellini, A Dewaele, M Mezouar, P Loubeyre… - Science, 2013 - science.org
Earth's core is structured in a solid inner core, mainly composed of iron, and a liquid outer
core. The temperature at the inner core boundary is expected to be close to the melting point …

Direct measurement of thermal conductivity in solid iron at planetary core conditions

Z Konôpková, RS McWilliams, N Gómez-Pérez… - Nature, 2016 - nature.com
The conduction of heat through minerals and melts at extreme pressures and temperatures
is of central importance to the evolution and dynamics of planets. In the cooling Earth's core …

Collective motion in hcp-Fe at Earth's inner core conditions

Y Zhang, Y Wang, Y Huang, J Wang… - Proceedings of the …, 2023 - National Acad Sciences
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 …

Discovery of face-centered-cubic ruthenium nanoparticles: facile size-controlled synthesis using the chemical reduction method

K Kusada, H Kobayashi, T Yamamoto… - Journal of the …, 2013 - ACS Publications
We report the first discovery of pure face-centered-cubic (fcc) Ru nanoparticles. Although the
fcc structure does not exist in the bulk Ru phase diagram, fcc Ru was obtained at room …

Implementation of micro-ball nanodiamond anvils for high-pressure studies above 6 Mbar

L Dubrovinsky, N Dubrovinskaia… - Nature …, 2012 - nature.com
Since invention of the diamond anvil cell technique in the late 1950s for studying materials
at extreme conditions, the maximum static pressure generated so far at room temperature …

Composition and state of the core

K Hirose, S Labrosse, J Hernlund - Annual Review of Earth and …, 2013 - annualreviews.org
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 …

The ubiquity of iron

PA Frey, GH Reed - 2012 - ACS Publications
The importance of iron in living systems can be traced to the many complexes within which it
is found, to its chemical mobility in undergoing oxidation–reduction reactions, and to the …