Depth-resolved cathodoluminescence spectroscopy of silicon supersaturated with sulfur (Articolo in rivista)

Type
Label
  • Depth-resolved cathodoluminescence spectroscopy of silicon supersaturated with sulfur (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4788743 (literal)
Alternative label
  • Fabbri, Filippo; Smith, Matthew J.; Recht, Daniel; Aziz, Michael J.; Gradecak, Silvija; Salviati, Giancarlo (2013)
    Depth-resolved cathodoluminescence spectroscopy of silicon supersaturated with sulfur
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fabbri, Filippo; Smith, Matthew J.; Recht, Daniel; Aziz, Michael J.; Gradecak, Silvija; Salviati, Giancarlo (literal)
Pagina inizio
  • 031909-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://scitation.aip.org/content/aip/journal/apl/102/3/10.1063/1.4788743 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 102 (literal)
Rivista
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  • 5 (literal)
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  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 IMEM-CNR Institute, viale Usberti 37/A, Parma, Italy; 2 Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA; 3 Harvard School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138, USA (literal)
Titolo
  • Depth-resolved cathodoluminescence spectroscopy of silicon supersaturated with sulfur (literal)
Abstract
  • We investigate the luminescence of Si supersaturated with S (Si:S) using depth-resolved cathodoluminescence spectroscopy and secondary ion mass spectroscopy as the S concentration is varied over 2 orders of magnitude (10(18)-10(20) cm(-3)). In single-crystalline supersaturated Si:S, we identify strong luminescence from intra-gap states related to Si self-interstitials and a S-related luminescence at 0.85 eV, both of which show a strong dependence on S concentration in the supersaturated regime. Sufficiently high S concentrations in Si (>10(20) cm(-3)) result in complete luminescence quenching, which we propose is a consequence of the overlapping of the defect band and conduction band. (literal)
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