Treatment of EXAFS data taken in the ¯uorescence mode in non-linear conditions (Articolo in rivista)

Type
Label
  • Treatment of EXAFS data taken in the ¯uorescence mode in non-linear conditions (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1107/S0909049504002122 (literal)
Alternative label
  • Gianluca Ciatto, Francesco d'Acapito,Federico Boscheriniand Settimio Mobilio (2004)
    Treatment of EXAFS data taken in the ¯uorescence mode in non-linear conditions
    in Journal of synchrotron radiation
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gianluca Ciatto, Francesco d'Acapito,Federico Boscheriniand Settimio Mobilio (literal)
Pagina inizio
  • 278 (literal)
Pagina fine
  • 283 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 11 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, c/o ESRF, Gilda CRG, 6 Rue Jules Horowitz, F-38043 Grenoble, France, b INFM, c/o ESRF, Gilda CRG, 6 Rue Jules Horowitz, F-38043 Grenoble, France, c INFM and Department of Physics, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy, d Department of Physics, University of Roma Tre, Via della Vasca Navale 84, 00146 Roma, Italy, and e INFM, LNF, Via E. Fermi, I-00044 Frascati, Italy (literal)
Titolo
  • Treatment of EXAFS data taken in the ¯uorescence mode in non-linear conditions (literal)
Abstract
  • The aim of this work is to investigate the possibility of extracting correct structural parameters from ¯uorescence EXAFS data taken at high count rates with an energy-resolving detector. This situation is often encountered on third-generation synchrotron radiation sources which provide a high ¯ux on the sample. Errors caused by pulse pile-up in the extraction of structural information have been quanti®ed in a real experiment, and different approaches to the problem of data correction have been elaborated. The different approaches are discussed in a comparison of the ability of each kind of correction to recover the correct structural parameters. The result of our analysis is that it is possible to work in non-linear conditions and correct the data, if the response of the acquisition system is known. Reliable structural information can be obtained with data acquired up to a count rate equal to approximately 60% of the inverse of the dead time. (literal)
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