Analysis of Cs/GaAs NEA surface by XAFS

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Theory and Analysis of XAFS

Owing to its element specific and short-range nature, core-level X-ray absorption spectroscopy (XAS) is now routinely used to elucidate the local structural, vibrational, and other physical properties of complex, aperiodic materials. XAS encompasses both extended X-ray absorption fine structure (EXAFS) and X-ray absorption near edge spectra (XANES) [1, 2], where the terms refer, respectively, t...

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Iodine K-edge XAFS of triiodide ions in various solvents were measured at SPring-8 BL01B1 and analyzed. Though the anion takes a linear and symmetric form, the second peak expected from enhanced multiple scatterings can be hardly observed because of its large vibrations. The bond distances and the Debye-Waller factors for the I-I couple vary when protic solvents were used and they were similar ...

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ژورنال

عنوان ژورنال: Journal of Physics: Conference Series

سال: 2013

ISSN: 1742-6588,1742-6596

DOI: 10.1088/1742-6596/430/1/012079