Improved self-absorption correction for extended x-ray absorption fine-structure measurements

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Extended x-ray absorption fine-structure (EXAFS) data collected in the fluorescence mode are susceptible to an apparent amplitude reduction due to the self-absorption of the fluorescing photon by the sample before it reaches a detector. Previous treatments have made the simplifying assumption that the effect of the EXAFS on the correction term is negligible, and that the samples are in the thick limit. We present a nearly exact treatment that can be applied for any sample thickness or concentration, and retains the EXAFS oscillations in the correction term.

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Booth, C.H. & Bridges, F. June 4, 2003.

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Extended x-ray absorption fine-structure (EXAFS) data collected in the fluorescence mode are susceptible to an apparent amplitude reduction due to the self-absorption of the fluorescing photon by the sample before it reaches a detector. Previous treatments have made the simplifying assumption that the effect of the EXAFS on the correction term is negligible, and that the samples are in the thick limit. We present a nearly exact treatment that can be applied for any sample thickness or concentration, and retains the EXAFS oscillations in the correction term.

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vp.

Notes

INIS; OSTI as DE00822963

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  • The 12th International Conference on X-ray Absorption Fine Structure (XAFS XII), Malmo (SE), 06/22/2003--06/27/2003

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  • Report No.: LBNL--52864
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 822963
  • Archival Resource Key: ark:/67531/metadc777081

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  • June 4, 2003

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:21 p.m.

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Booth, C.H. & Bridges, F. Improved self-absorption correction for extended x-ray absorption fine-structure measurements, article, June 4, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc777081/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.