Iron isotope systematics

N Dauphas, SG John, O Rouxel - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
Iron Isotope Systematics | Reviews in Mineralogy and Geochemistry | GeoScienceWorld
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Equilibrium fractionation of non-traditional isotopes: a molecular modeling perspective

M Blanchard, E Balan… - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
The isotopic compositions of natural materials are determined by their parent reservoirs, on
the one hand, and by fractionation mechanisms, on the other hand. Under the right …

Advanced capabilities for materials modelling with Quantum ESPRESSO

P Giannozzi, O Andreussi, T Brumme… - Journal of physics …, 2017 - iopscience.iop.org
Q uantum ESPRESSO is an integrated suite of open-source computer codes for quantum
simulations of materials using state-of-the-art electronic-structure techniques, based on …

Iron, magnesium, and titanium isotopic fractionations between garnet, ilmenite, fayalite, biotite, and tourmaline: Results from NRIXS, ab initio, and study of mineral …

NX Nie, N Dauphas, EE Alp, H Zeng, CK Sio… - … et Cosmochimica Acta, 2021 - Elsevier
Interpreting isotopic signatures documented in natural rocks requires knowledge of
equilibrium isotopic fractionation factors. Here, we determine equilibrium Fe isotope …

Hubbard-corrected density functional perturbation theory with ultrasoft pseudopotentials

A Floris, I Timrov, B Himmetoglu, N Marzari… - Physical Review B, 2020 - APS
We present in full detail a newly developed formalism enabling density functional
perturbation theory (DFPT) calculations from a DFT+ U ground state. The implementation …

Evidence from Ab Initio and Transport Modeling for Diffusion-Driven Zirconium Isotopic Fractionation in Igneous Rocks

X Chen, W Wang, Z Zhang, NX Nie… - ACS Earth and Space …, 2020 - ACS Publications
We use density functional theory to calculate the equilibrium isotopic fractionation factors of
zirconium (Zr) in a variety of minerals including zircon, baddeleyite, Ca-catapleiite, ilmenite …

[HTML][HTML] Metal stable isotopes fractionation during adsorption

Z Li, Y Huang, L Jiang, H Tang, G Jiao, H Gou… - Ecotoxicology and …, 2024 - Elsevier
Isotope technology is an ideal tool for tracing the sources of certain pollutants or providing
insights into environmental processes. In recent years, the advent of multi-collector …

Iron and oxygen isotope fractionation during iron UV photo-oxidation: Implications for early Earth and Mars

NX Nie, N Dauphas, RC Greenwood - Earth and Planetary Science Letters, 2017 - Elsevier
Banded iron formations (BIFs) contain appreciable amounts of ferric iron (Fe 3+). The
mechanism by which ferrous iron (Fe 2+) was oxidized into Fe 3+ in an atmosphere that was …

Iron isotopic fractionation between silicate mantle and metallic core at high pressure

J Liu, N Dauphas, M Roskosz, MY Hu, H Yang… - Nature …, 2017 - nature.com
Abstract The+ 0.1‰ elevated 56Fe/54Fe ratio of terrestrial basalts relative to chondrites was
proposed to be a fingerprint of core-mantle segregation. However, the extent of iron isotopic …

Theoretical calculation of equilibrium Mg isotope fractionations between minerals and aqueous solutions

C Gao, X Cao, Q Liu, Y Yang, S Zhang, Y He, M Tang… - Chemical …, 2018 - Elsevier
There are large discrepancies existing in equilibrium Mg isotope fractionation calculations
and experimental investigations for cases related to mineral vs. solution. To clarify this …