Setup for optimized grazing incidence x-ray absorption experiments on thin films on substrates. (Articolo in rivista)

Type
Label
  • Setup for optimized grazing incidence x-ray absorption experiments on thin films on substrates. (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3155791 (literal)
Alternative label
  • Maurizio C, Rovezzi M, Bardelli F, Pais HG, D'Acapito F (2009)
    Setup for optimized grazing incidence x-ray absorption experiments on thin films on substrates.
    in Review of scientific instruments
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maurizio C, Rovezzi M, Bardelli F, Pais HG, D'Acapito F (literal)
Pagina inizio
  • 063904 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 80 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-INFM-OGG c/o ESRF, GILDA CRG 6, Rue Jules Horowitz, F-38043 Grenoble, France (literal)
Titolo
  • Setup for optimized grazing incidence x-ray absorption experiments on thin films on substrates. (literal)
Abstract
  • We present a state-of-the-art experimental apparatus and a proper setup to perform x-ray absorption spectroscopy?XAS?experiments in grazing incidence mode. This geometry is appropriate for doped thin films or interfaces buried at moderate depth in a thick matrix, whenever the scattering and/or fluorescence from the matrix has to be strongly attenuated. Both the calculation and the experimental data demonstrate that the specific setup that consists in a grazing incidence and grazing collection geometry is extremely advantageous. In fact, with respect to the standard geometry used to perform XAS experiments in fluorescence mode, the present setup allows an enhancement in the interesting fluorescence signal from the surface layer without a corresponding increase in the elastic scattering contribution from the matrix. The sample holder especially designed for this kind of experiment can work in vacuum and at low temperature. An easy and quick automatic sample alignment procedure is detailed. (literal)
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