Impact of the number of fitted Debye-Waller factors on EXAFS fitting

EXAFS fit applied to asymmetric systems may imply the fit of parameters for many scattering paths. We illustrate on some examples how fitting too many independent DWs may lead to incorrect distances and mask some structural details. We question the physical meaning of the fitted DW values and we pro...

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Bibliographic Details
Authors: Provost, K., Beret, E. C., Muller, D., Sánchez Marcos, Enrique, Michalowicz, A.
Format: article
Status:Published version
Publication Date:2013
Country:España
Institution:Universidad de Sevilla (US)
Repository:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/48340
Online Access:http://hdl.handle.net/11441/48340
https://doi.org/10.1088/1742-6596/430/1/012015
Access Level:Open access
Description
Summary:EXAFS fit applied to asymmetric systems may imply the fit of parameters for many scattering paths. We illustrate on some examples how fitting too many independent DWs may lead to incorrect distances and mask some structural details. We question the physical meaning of the fitted DW values and we propose some ideas to avoid this problem.