K-Edge XANES Investigation of Fe-Based Oxides by Density …
2021年11月18日 · Here, comprehensive first-principles calculations of X-ray absorption near-edge structure (XANES) spectra of a series of Fe-based catalysts and battery electrodes, including …
Theoretical Analysis of Fe K-Edge XANES on Iron Pentacarbonyl
2020年3月4日 · Besides, X-ray absorption spectroscopy (XAS) is another technique to characterize the change of metal sites in such metal–carbonyl complexes due to the element …
K- and L-edge X-ray absorption spectroscopy (XAS) and resonant ...
2017年8月15日 · Different XAS techniques have been used to study the bonding of metal coordination complexes and are explored in this review. Metal K-edge XAS utilizes hard X …
XAS Study of Iron and Arsenic Speciation during Fe (II) Oxidation …
EXAFS analysis at the As K-edge shows clear evidence of formation of inner-sphere complexes between As (III) and Fe (II), i.e., before any oxidation. Inner-sphere complexes were also …
In situ simultaneous Fe K-edge XAS spectroscopy and resistivity ...
2024年4月1日 · To elucidate the relation between conductivity and Fe oxidation state in amphiboles, here we report the results of X-ray absorption (XAS) spectroscopy at the Fe K …
Accurate Fe3+/Fetot ratio from XAS spectra at the Fe K-edge
2020年10月1日 · We recently investigated the oxidation behaviour of a synthetic potassic-ferro-richterite [Na (NaCa)Fe 2+5 Si 8 O 22 (OH) 2] annealed up 750 °C by using simultaneous X …
X‐Ray Absorption Fine Structure Spectroscopy in Fe Oxides …
2016年4月29日 · In this chapter, we present a brief introduction to XAFS technique, both in the near edge, X-ray absorption near-edge structure (XANES) and the extended X-ray absorption …
a) X-Ray absorption (XAS) Fe L-edge (Fe 2p) spectra of the MIL-100(Fe ...
Metal organic frameworks (MOFs) are a class of porous materials characterized by robust linkages between organic ligands and metal ions. Metal–organic...
A Fe K-edge XAS study of amethyst - Springer
2009年10月21日 · Room temperature measurements were performed at the Fe K-edge (7,112 eV), at both the X-ray absorption near-edge structure (XANES) and extended X-ray absorption …
Melting properties by X-ray absorption spectroscopy: common ... - Nature
2020年7月15日 · Here, we investigated the melting curve and the eutectic composition of four geophysically relevant iron binary systems: Fe–C, Fe–O, Fe–S and Fe–Si. Our results show …