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 …
Iron-rich Fe–O compounds at Earth's core pressures
Oxygen and iron are the most abundant elements on Earth, and their compounds are key
planet-forming components. While oxygen is pervasive in the mantle, its presence in the …
planet-forming components. While oxygen is pervasive in the mantle, its presence in the …
Stratification in planetary cores by liquid immiscibility in Fe-SH
Liquid-liquid immiscibility has been widely observed in iron alloy systems at ambient
pressure and is important for the structure and dynamics in iron cores of rocky planets. While …
pressure and is important for the structure and dynamics in iron cores of rocky planets. While …
Structural and electronic transitions in liquid FeO under high pressure
FeO represents an important end‐member for planetary interiors mineralogy. However, its
properties in the liquid state under high pressure are poorly constrained. Here, in situ high …
properties in the liquid state under high pressure are poorly constrained. Here, in situ high …
Phase relations of Earth's core-forming materials
T Komabayashi - Crystals, 2021 - mdpi.com
Recent updates on phase relations of Earth's core-forming materials, Fe alloys, as a function
of pressure (P), temperature (T), and composition (X) are reviewed for the Fe, Fe-Ni, Fe-O …
of pressure (P), temperature (T), and composition (X) are reviewed for the Fe, Fe-Ni, Fe-O …
New opportunities for high pressure X-ray absorption spectroscopy at ID24-DCM and BM23 with the Extremely Brilliant Source of the ESRF
Here we present the new experimental stations devoted to the studies of matter under
extreme conditions at the X-ray absorption beamlines BM23 and ID24-DCM that were …
extreme conditions at the X-ray absorption beamlines BM23 and ID24-DCM that were …
Precipitation of multiple light elements to power Earth's early dynamo
Earth has had a global magnetic field for at least 3.5 billion years, but if the iron-alloy in the
core has high conductivity, it is difficult to explain this duration with energy from cooling and …
core has high conductivity, it is difficult to explain this duration with energy from cooling and …
Extensive iron–water exchange at Earth's core–mantle boundary can explain seismic anomalies
Seismological observations indicate the presence of chemical heterogeneities at the
lowermost mantle, just above the core–mantle boundary (CMB), sparking debate over their …
lowermost mantle, just above the core–mantle boundary (CMB), sparking debate over their …
Phase transitions and spin state of iron in FeO under the conditions of Earth's deep interior
Iron-bearing oxides undergo a series of pressure-induced electronic, spin, and structural
transitions that can cause seismic anomalies and dynamic instabilities in Earth's mantle and …
transitions that can cause seismic anomalies and dynamic instabilities in Earth's mantle and …
Melting experiments on Fe‐O‐H and Fe‐H: Evidence for eutectic melting in Fe‐FeH and implications for hydrogen in the core
K Oka, N Ikuta, S Tagawa, K Hirose… - Geophysical Research …, 2022 - Wiley Online Library
We examined liquidus phase relations in Fe‐O±H at∼ 40 and∼ 150 GPa, and in Fe‐H at 45
GPa. While it has been speculated that Fe and FeH form continuous solid solution to core …
GPa. While it has been speculated that Fe and FeH form continuous solid solution to core …