Co/Mo2C multilayer as X- ray mirror: Optical and thermal performances (Articolo in rivista)

Type
Label
  • Co/Mo2C multilayer as X- ray mirror: Optical and thermal performances (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/pssb.201350082 (literal)
Alternative label
  • Yuan, Yanyan; Le Guen, Karine; Andre, Jean-Michel; Wang, Zhanshan; Li, Haochuan; Zhu, Jingtao; Meny, Christian; Giglia, Angelo; Nannarone, Stefano; Jonnard, Philippe (2014)
    Co/Mo2C multilayer as X- ray mirror: Optical and thermal performances
    in Physica status solidi. B, Basic research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Yuan, Yanyan; Le Guen, Karine; Andre, Jean-Michel; Wang, Zhanshan; Li, Haochuan; Zhu, Jingtao; Meny, Christian; Giglia, Angelo; Nannarone, Stefano; Jonnard, Philippe (literal)
Pagina inizio
  • 803 (literal)
Pagina fine
  • 808 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 251 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Centre National de la Recherche Scientifique (CNRS); Tongji University; Centre National de la Recherche Scientifique (CNRS); Consiglio Nazionale delle Ricerche (CNR); Universita di Modena e Reggio Emilia (literal)
Titolo
  • Co/Mo2C multilayer as X- ray mirror: Optical and thermal performances (literal)
Abstract
  • We combined soft X-ray reflectivity (SXR) and X-ray standing-wave-enhanced fluorescence to study the optical performance and the thermally-induced interface behavior of Co/Mo2C nanometric multilayers, designed to work in the soft X-ray range close to the Co L3 absorption edge. Grazing X-ray reflectivity measurements were performed at 0.154nm (Cu K line) and at two wavelengths in the soft X-ray range, 1.59 and 1.33nm, close to and far from the Co L3 edge. In the fluorescence experiment the intensity of the Co L emission was measured by the standing-wave method within a Co/Mo2C stack. We found that the Co/Mo2C multilayers present good optical performance in the soft X-ray range up to 600 degrees C annealing temperature. Indeed, the reflectivity value in the soft X-ray range at a grazing angle of 11 degrees is 25% for the as-deposited sample, then slightly varies with annealing and is still 20% after annealing at 600 degrees C. This demonstrates the good thermal stability of the Co/Mo2C multilayer. We used a simplified two-layer model and modified optical indices of the Co nanofilms to fit the experimental X-ray reflectivity curves. The same modified values of the optical indices are used to fit the X-ray standing-wave curves, confirming the usefulness of the model of the stack. (literal)
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