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 FeO, …
Accurate Fe3+/Fetot ratio from XAS spectra at the Fe K-edge
Oct 1, 2020 · Extraction of the Fe 3+ /Fe tot ratio from the pre-edge structure at the Fe K-edge. Fitting of the pre-edge with 4 Gaussians representative of ferric and ferrous ion. Calibration …
XAS studies of pressure-induced structural and electronic ...
May 29, 2019 · Structural and electronic transformation taking place in α -FeOOH goethite have been studied by Fe K -edge x-ray absorption spectroscopy at pressures up to 50 GPa. These …
K-Edge XANES Investigation of Fe-Based Oxides by Density …
Nov 18, 2021 · 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 …
X‐Ray Absorption Fine Structure Spectroscopy in Fe Oxides and ...
Apr 29, 2016 · 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 fine …
Surface structure of α-Fe2O3 nanocrystal observed by O K-edge X …
Jan 1, 2003 · We present O K-edge XANES of α-Fe 2 O 3 in nanocrystal and bulk by total electron yield at the photoemission station of Beijing Synchrotron Radiation Facility.
Characterization of iron oxides by x-ray absorption at the …
Jan 15, 1997 · α-,, and FeO compounds are characterized by means of x-ray-absorption near-edge-structure spectroscopy at the oxygen K edge.
Fe K-EDGE X-RAY ABSORPTION (XANES/EXAFS) SPECTROSCOPIC …
Sep 1, 1998 · Local structure refinement of the SrFe 1−x Sn x O 3−y (x =0.00, 0.25, 0.50 and 0.75) system has been carried out with Fe K-edge X-ray absorption spectroscopic studies.
Revealing the Mechanism and Kinetics of Fe - Chemistry Europe
5 days ago · Decomposition of FeC 2 O 4 in CO 2 +H 2. To elucidate the mechanism and derive the kinetics of the decomposition of FeC 2 O 4 under conditions relevant to CO 2-FT, we …
Fe K-edge XANES spectra of FeO and FeO3, which are used as reference...
Fe K-edge XANES spectra of FeO and FeO3, which are used as reference samples to reflect the iron speciation of AIOMs. The arrows show the absorption edge of each spectrum. [...] While...