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Photochemical Formation and Electronic Structure of an Alkane σ-Complex from Time-Resolved Optical and X-ray Absorption Spectroscopy. [PDF]

open access: yesJ Am Chem Soc
Jay RM   +13 more
europepmc   +1 more source
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Ultrafast X-ray Absorption Spectroscopy

Chemical Reviews, 2004
A review. Ultrafast x-ray techniques using diffraction and absorption are discussed with an emphasis on the absorption techniques. Ultrafast x-ray sources and detectors for use in x-ray absorption spectroscopy are also reviewed. [on SciFinder (R)]
Christian, Bressler, Majed, Chergui
openaire   +3 more sources

X-Ray Absorption Spectroscopy

2013
Despite numerous investigations of lead zirconium titanate compounds, little information exists about the microscopic structure of the precursors in solution and their changes in course of the sol-gel process. This fact is not astonishing, since common methods of physical chemistry, like molecular weight determination, IR- and NMR-spectroscopy ...
Alfred A. Hummer, Annette Rompel
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X-ray Absorption Spectroscopy

2023
X-ray absorption spectroscopy has been one of the most used tools to study structures and structural changes in chemistry, especially since synchrotron light facilities became available almost 50 years ago. This chapter will give a theoretical background to X-ray absorption spectroscopy, and methods and applications in inorganic and metalorganic ...
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X-ray Absorption Spectroscopy

2022
X-ray absorption spectroscopic techniques have emerged over the past 50 years to offer important insights into the coordination environments, valence, and spin states in a wide variety of materials. They are particularly relevant to research on energy storage materials where even the most subtle changes in metal oxidation state and local atomic ...
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X-Ray Absorption Spectroscopy

2011
X-ray absorption spectroscopy (XAS) involves the excitation of core electrons to bound states localized on the photoabsorber and the eventual excitation of the photoelectron to the continuum. The resulting spectra are typically divided into two regions: (1) the edge region which provides electronic structure information and (2) the extended X-ray ...
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Photoacoustic X-Ray Absorption Spectroscopy

1988
When materials are irradiated by X-rays, several effects occur, e. g. absorption, scattering, fluorescence, and electron release, as seen in Fig. 1. Heat generation should also be observed on absorption of electromagnetic waves even for the X-ray absorption process.
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X-Ray Absorption Spectroscopy of Metalloproteins

2014
Metalloproteins are enormously important in biology. While a variety of techniques exist for studying metals in biology, X-ray absorption spectroscopy is particularly useful in that it can determine the local electronic and physical structure around the metal center, and is one of the few avenues for studying "spectroscopically silent" metal ions like ...
Jesse, Ward   +3 more
openaire   +2 more sources

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