Optical emission investigation of laser-produced MgB2 plume expanding in an Ar buffer gas (Articolo in rivista)

Type
Label
  • Optical emission investigation of laser-produced MgB2 plume expanding in an Ar buffer gas (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1484549 (literal)
Alternative label
  • Amoruso, S; Bruzzese, R; Spinelli, N; Velotta, R; Wang, X; Ferdeghini, C (2002)
    Optical emission investigation of laser-produced MgB2 plume expanding in an Ar buffer gas
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Amoruso, S; Bruzzese, R; Spinelli, N; Velotta, R; Wang, X; Ferdeghini, C (literal)
Pagina inizio
  • 4315 (literal)
Pagina fine
  • 4317 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 80 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, I-80126 Naples, Italy Univ Naples, Dipartimento Sci Fisiche, I-80126 Naples, Italy Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy INFM, I-16146 Genoa, Italy (literal)
Titolo
  • Optical emission investigation of laser-produced MgB2 plume expanding in an Ar buffer gas (literal)
Abstract
  • Optical emission spectroscopy is used to study the dynamics of the plasma generated by pulsed-laser irradiation of a MgB2 target, both in a vacuum and at different Ar buffer gas pressures. The analysis of the time-resolved emission of selected species shows that the Ar background gas strongly influences the plasma dynamics. Above a fixed pressure, plasma propagation into Ar leads to the formation of blast waves causing both a considerable increase of the fraction of excited Mg atoms and a simultaneous reduction of their kinetic flux energy. These results can be particularly useful for optimizing MgB2 thin-film deposition processes. (literal)
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