x-ray absorption fine structure


x-ray absorption fine structure

[‚eks ‚rā əb¦sorp·shən ¦fīn ′strək·chər] (spectroscopy) The structure in the x-ray absorption spectrum of a substance at energies above the absorption edge, including both the x-ray absorption near-edge structure and the extended x-ray absorption fine structure. Abbreviated XAFS.