Room-temperature B off-lattice displacement and electrical deactivation induced by H and He implantation (Articolo in rivista)

Type
Label
  • Room-temperature B off-lattice displacement and electrical deactivation induced by H and He implantation (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Romano, L; Piro, AM; Grimaldi, MG; Rimini, E (2006)
    Room-temperature B off-lattice displacement and electrical deactivation induced by H and He implantation
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Romano, L; Piro, AM; Grimaldi, MG; Rimini, E (literal)
Pagina inizio
  • 181 (literal)
Pagina fine
  • 184 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 249 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Catania Univ, CNR, INFM, MATIS, I-95123 Catania, Italy; Catania Univ, Dipartimento Fis & Astron, I-95123 Catania, Italy; Sez Catania, CNR, IMM, I-95121 Catania, Italy (literal)
Titolo
  • Room-temperature B off-lattice displacement and electrical deactivation induced by H and He implantation (literal)
Abstract
  • Substitutional boron atoms in silicon experience an off-lattice displacement during ion-irradiation with energetic light ions at room temperature. The off-lattice displacement rate has been measured in a B-doped Si by channelling analyses using nuclear reaction (650 keV proton beam, B-11(p,alpha)Be-8). The normalized channeling yield chi of B increases with the ion fluence until it saturates at a value smaller than 1. This indicates that B is not totally displaced in a random site. The carrier concentration in layer, measured by Van Der Pauw and Hall effect techniques, decreases during irradiation until complete de-activation of B occurs. The comparison of electrical and structural analyses is consistent with the formation of small, not electrically active B complexes stable at room temperature in presence of an excess of point defects. (c) 2006 Elsevier B.V. All rights reserved. (literal)
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