Patterson function


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Patterson function

[′pad·ər·sən ‚fəŋk·shən]
(solid-state physics)
A function of three spatial coordinates, constructed in the Patterson-Harker method, which has peaks at all vectors between two atoms in a crystal, the heights of the peaks being approximately proportional to the product of the atomic numbers of the corresponding atoms.
References in periodicals archive ?
Basic topics include diffraction from three-dimensional crystals, phase determination by isomorphous replacement and the Patterson function.
Indexing allows Patterson functions to be directly obtainable in three or six dimensions from powder data.