Magnetite and green rust: synthesis, properties, and environmental applications of mixed-valent iron minerals

M Usman, JM Byrne, A Chaudhary, S Orsetti… - Chemical …, 2018 - ACS Publications
Mixed-valent iron [Fe (II)-Fe (III)] minerals such as magnetite and green rust have received a
significant amount of attention over recent decades, especially in the environmental …

X-ray absorption near-edge structure (XANES) spectroscopy

GS Henderson, FMF De Groot… - … in Mineralogy and …, 2014 - pubs.geoscienceworld.org
Spectroscopic Methods in Mineralogy and Geology, Frank C. Hawthorne, ed. 1988),
contained a single chapter on X-ray absorption spectroscopy which reviewed aspects of …

Construction and identification of highly active single-atom Fe1-NC catalytic site for electrocatalytic nitrate reduction

L Liu, T Xiao, H Fu, Z Chen, X Qu, S Zheng - Applied Catalysis B …, 2023 - Elsevier
Atomically dispersed metal-NC sites are highly active and selective for nitrate reduction
reaction (NO 3 RR), while identifying their coordination and geometry structures remains …

Oxidation state and coordination of Fe in minerals: An Fe K-XANES spectroscopic study

M Wilke, F Farges, PE Petit… - American …, 2001 - pubs.geoscienceworld.org
High-resolution Fe K-edge XANES spectra of a series of crystalline Fe2+-and Fe3+-bearing
model compounds were measured in an effort to correlate characteristics of the pre-edge …

The oxidation state of Fe in MORB glasses and the oxygen fugacity of the upper mantle

E Cottrell, KA Kelley - Earth and Planetary Science Letters, 2011 - Elsevier
Micro-analytical determination of Fe 3+/∑ Fe ratios in mid-ocean ridge basalt (MORB)
glasses using micro X-ray absorption near edge structure (μ-XANES) spectroscopy reveals …

A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Determination of Mn valence states in mixed-valent manganates by XANES spectroscopy

A Manceau, MA Marcus, S Grangeon - American Mineralogist, 2012 - degruyter.com
The valence states of Mn in mixed-valent layer and tunnel structure manganese dioxides
(MnO2), usually referred to as phyllomanganates and tectomanganates, can be measured …

Magma redox and structural controls on iron isotope variations in Earth's mantle and crust

N Dauphas, M Roskosz, EE Alp, DR Neuville… - Earth and Planetary …, 2014 - Elsevier
The heavy iron isotopic composition of Earth's crust relative to chondrites has been
explained by vaporization during the Moon-forming impact, equilibrium partitioning between …

XANES calibrations for the oxidation state of iron in a silicate glass

AJ Berry, HSC O'Neill, KD Jayasuriya… - American …, 2003 - pubs.geoscienceworld.org
Fe K-edge X-ray absorption near edge structure (XANES) spectra were recorded for a series
of anorthite-diopside eutectic glasses containing 1 wt% 57Fe2O3 quenched from melts …

A computer simulation study of natural silicate melts. Part I: Low pressure properties

B Guillot, N Sator - Geochimica et Cosmochimica Acta, 2007 - Elsevier
In implementing into a molecular dynamics simulation code a simple interionic potential
developed to describe the nine component system K2O–Na2O–CaO–MgO–FeO–Fe2O3 …