Topic
XANES
About: XANES is a research topic. Over the lifetime, 7737 publications have been published within this topic receiving 188032 citations.
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TL;DR: In this article, the binding environments of Cu and Pb complexed by soil humic substances using synchrotron-based X-ray absorption spectroscopy were investigated with the assistance of bond network analysis.
145 citations
TL;DR: In this article, the authors used X-ray Absorption Near Edge Structure (XANES) spectroscopy, Extended Xray Absorbption Fine Structure (EXAFS), and Optical Spectral Spectral Analysis (OSA) to investigate the presence of nickel in silicate and aluminosilicate glasses.
144 citations
TL;DR: In this article, a microscale oxybarometer for solar system basaltic glasses, based on vanadium K-edge X-ray absorption near edge structure (XANES) spectroscopy, is described.
144 citations
TL;DR: The particle size effect on the formation of palladium hydride and on surface hydrogen adsorption was studied at room temperature using in situ X-ray absorption spectroscopy at the Pd K and L3 edges as mentioned in this paper.
Abstract: The particle size effect on the formation of palladium hydride and on surface hydrogen adsorption was studied at room temperature using in situ X-ray absorption spectroscopy at the Pd K and L3 edges. Hydride formation was indirectly observed by lattice expansion in Pd K edge XANES spectra and by EXAFS analysis. Hydride formation was directly detected in the L3 edge spectra. A characteristic spectral feature caused by the formation of a Pd−H antibonding state showed strong particle size dependence. The L3 edge spectra were reproduced using full multiple scattering analysis and density of state calculations, and the contributions of bulk absorbed and surface hydrogen to the XANES spectra could be distinguished. The ratio of hydrogen on the surface versus that in the bulk increased with decreasing particle size, and smaller particles dissolved less hydrogen.
144 citations
TL;DR: In this article, the authors present a flexible theory based on a full multiple scattering cluster calculation, which can be used to extract such information in ordered, disordered and other complex systems now being studied using synchrotron radiation.
144 citations