The influence of the focusing effect on the X-ray absorption fine structure above all the tungsten L edges in non-stoichiometric tungsten oxides

A. Kuzmin; J. Purans

doi:10.1088/0953-8984/5/50/023

The influence of the focusing effect on the X-ray absorption fine structure above all the tungsten L edges in non-stoichiometric tungsten oxides

A. Kuzmin^*
, J. Purans

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

The role of multiple-scattering contributions in the formation of the X-ray absorption fine structure (XAFS) above tungsten L edges is discussed for the non-stoichiometric tungsten oxides WO_3-x. It is found that the presence of linear or near-linear atomic chains in the WO_3-x crystal structure leads, due to the focusing effect, to a strong increase in the XAFS amplitude. which results in an admixture of the L₂-edge XAFS With the XAFS above the L₁ edge.

Original language	English
Article number	023
Pages (from-to)	9423-9430
Number of pages	8
Journal	Journal of Physics Condensed Matter
Volume	5
Issue number	50
DOIs	https://doi.org/10.1088/0953-8984/5/50/023
Publication status	Published - 1993

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10.1088/0953-8984/5/50/023

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title = "The influence of the focusing effect on the X-ray absorption fine structure above all the tungsten L edges in non-stoichiometric tungsten oxides",

abstract = "The role of multiple-scattering contributions in the formation of the X-ray absorption fine structure (XAFS) above tungsten L edges is discussed for the non-stoichiometric tungsten oxides WO3-x. It is found that the presence of linear or near-linear atomic chains in the WO3-x crystal structure leads, due to the focusing effect, to a strong increase in the XAFS amplitude. which results in an admixture of the L2-edge XAFS With the XAFS above the L1 edge.",

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N2 - The role of multiple-scattering contributions in the formation of the X-ray absorption fine structure (XAFS) above tungsten L edges is discussed for the non-stoichiometric tungsten oxides WO3-x. It is found that the presence of linear or near-linear atomic chains in the WO3-x crystal structure leads, due to the focusing effect, to a strong increase in the XAFS amplitude. which results in an admixture of the L2-edge XAFS With the XAFS above the L1 edge.

AB - The role of multiple-scattering contributions in the formation of the X-ray absorption fine structure (XAFS) above tungsten L edges is discussed for the non-stoichiometric tungsten oxides WO3-x. It is found that the presence of linear or near-linear atomic chains in the WO3-x crystal structure leads, due to the focusing effect, to a strong increase in the XAFS amplitude. which results in an admixture of the L2-edge XAFS With the XAFS above the L1 edge.

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U2 - 10.1088/0953-8984/5/50/023

DO - 10.1088/0953-8984/5/50/023

M3 - Article

AN - SCOPUS:0000683526

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JF - Journal of Physics Condensed Matter

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M1 - 023

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The influence of the focusing effect on the X-ray absorption fine structure above all the tungsten L edges in non-stoichiometric tungsten oxides

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