Strength, plasticity, and spin transition of Fe-N compounds in planetary cores

A Pease, J Liu, M Lv, Y Xiao, K Armstrong… - Physics of the Earth and …, 2024 - Elsevier
Elastic and plastic properties of Fe-light element alloys and compounds are needed to
determine the compositions and dynamics of planetary cores. Elastic strength and plastic …

Phase Stability of Iron Nitride Fe4N at High Pressure—Pressure-Dependent Evolution of Phase Equilibria in the Fe–N System

MH Wetzel, TT Rabending, M Friák, M Všianská, M Šob… - Materials, 2021 - mdpi.com
Although the general instability of the iron nitride γ′-Fe4N with respect to other phases at
high pressure is well established, the actual type of phase transitions and equilibrium …

Thermoelastic anomaly of iron carbonitride across the spin transition and implications for planetary cores

S Huang, X Wu, S Chariton… - Geophysical …, 2024 - Wiley Online Library
Carbon and nitrogen are considered as candidate light elements present in planetary cores.
However, there is limited understanding regarding the structure and physical properties of …

Electrical Resistivity and Phase Evolution of Fe–N Binary System at High Pressure and High Temperature

Y Wang, F Yang, C Shen, J Yang, X Hu, Y Fei - Minerals, 2024 - mdpi.com
Partitioning experiments and the chemistry of iron meteorites indicate that the light element
nitrogen could be sequestered into the metallic core of rocky planets during core–mantle …

[HTML][HTML] Iron Bonding with Light Elements: Implications for Planetary Cores Beyond the Binary System

H Yang, W Wang, WL Mao - Crystals, 2024 - mdpi.com
Light element alloying in iron is required to explain density deficit and seismic wave
velocities in Earth's core. However, the light element composition of the Earth's core seems …

Ultralow Melting of Iron Nitrides and the Fe–N–C System at High Pressure

C Lv, J Liu - Journal of Geophysical Research: Solid Earth, 2022 - Wiley Online Library
Iron nitrides and carbonitrides are the two primary hosts of deep nitrogen in the Earth's
interior; hence, the storage and circulation of deep nitrogen can be largely controlled by the …

High‐pressure phase stability and thermoelastic properties of iron carbonitrides and nitrogen in the deep Earth

S Huang, X Wu, F Zhu, X Lai, J Li… - Journal of …, 2021 - Wiley Online Library
Iron‐dominant metallic phases are likely the primary hosts for nitrogen in the reduced deep
Earth, hence the storage of nitrogen in the lower mantle and the core is governed by the …

The iron spin transition of deep nitrogen-bearing mineral Fe3N1.2 at high pressure

C Lv, J Liu - American Mineralogist, 2023 - degruyter.com
Nitrogen is an essential element for life, one of the most abundant volatiles in the
atmosphere, and an important component in the Earth's interior, where iron nitride is an …

Thermodynamic description of high-pressure phase equilibria in the Fe–N system

MH Wetzel, MJ Kriegel, C Schimpf… - Journal of Alloys and …, 2022 - Elsevier
In spite of existing experimental evidence for phase transitions of the γ′-Fe 4 N phase at
high-pressure/high-temperature conditions, some controversy about its …

[图书][B] Carbon and Nitrogen in Earth and Planetary Interiors

M Lyu - 2021 - search.proquest.com
Volatile elements, such as carbon (C) and nitrogen (N), play an essential role on Earth in
forming living organisms, maintaining a habitable climate, tracing geological processes, and …