x-ray absorption near-edge structure

[′eks ‚rā əb′sȯrp·shən ¦nir ‚ej ′strək·chər]

(physics)

A ripplelike structure in the x-ray absorption spectrum of a substance, at energies just above the absorption edge associated with liberation of core electrons into the continuum, and much closer to the absorption edge than the energies associated with extended x-ray absorption fine structure. Abbreviated XANES.

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References in periodicals archive ?

The inks were investigated using synchrotron-based micro x-ray fluorescence (XRF) and micro x-ray absorption near-edge structure spectroscopy (XANES) at the European Synchrotron Radiation Facility (ESRF).

Ancient Egyptian papyri from different time periods, geographical regions contain copper

Developed at the University of Washington, FEFF is an automated program for ab initio multiple scattering calculations of X-ray Absorption Fine Structure (XAFS) and X-ray Absorption Near-Edge Structure (XANES) spectra for clusters of atoms.