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Point Scattering Theory of X-Ray K-Absorption Fine Structure

Published online by Cambridge University Press:  06 March 2019

D. E. Sayers ,
F. W. Lytle  and
E. A. Stern
D. E. Sayers
Affiliation:
Boeing Scientific Research Laboratories, Seattle, Wn.
F. W. Lytle
Affiliation:
Boeing Scientific Research Laboratories, Seattle, Wn.
E. A. Stern
Affiliation:
University of Washington, Seattle, Wn.
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Abstract

We calculate the extended X-ray absorption fine structure by treating the ejected photoelectron as a spherical wave which expands in the lattice and is partially scattered by neighbors of the absorbing atom. The neighboring atoms are treated as point scattered and the total scattered wave is summed from the waves scattered by each atom. The fine structure is determined from the dipole transition matrix between the initial K-state and the final photoelectron state. Calculations compare favorably with experimental data.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 13: Eighteenth Annual Conference on Applications of X-ray Analysis, August 6-8, 1969 , 1969 , pp. 248 - 271
Copyright
Copyright © International Centre for Diffraction Data 1969

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