Metallic Nature of the alpha-Sn/Ge(111) Surface down to 2.5 K (Articolo in rivista)

Type
Label
  • Metallic Nature of the alpha-Sn/Ge(111) Surface down to 2.5 K (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.101.186102 (literal)
Alternative label
  • Colonna S., Ronci F., Cricenti A., Le Lay G. (2008)
    Metallic Nature of the alpha-Sn/Ge(111) Surface down to 2.5 K
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Colonna S., Ronci F., Cricenti A., Le Lay G. (literal)
Pagina inizio
  • 186102 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1103/PhysRevLett.101.186102 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISM CNR, Via del Fosso del Cavaliere 100, I-00133 Roma, Italy; ISM CNR, Via del Fosso del Cavaliere 100, I-00133 Roma, Italy; ISM CNR, Via del Fosso del Cavaliere 100, I-00133 Roma, Italy; CINaM-CNRS, Campus de Luminy, Case 913, F-13288 Marseille Cedex 09, France (literal)
Titolo
  • Metallic Nature of the alpha-Sn/Ge(111) Surface down to 2.5 K (literal)
Abstract
  • Low temperature (down to 2.5 K) scanning tunneling microscopy (STM) and spectroscopy (STS) measurements are presented to assess the nature of the alpha-Sn/Ge(111) surface. Bias-dependent STM and STS measurements have been used to demonstrate that such a surface preserves a metallic 3×3 reconstruction at very low temperature. A tip-surface interaction mechanism becomes active below about 20 K at the alpha-Sn/Ge(111) surface, resulting in an apparent unbuckled (sqrt(3)×sqrt(3)) reconstruction when filled states STM images are acquired with tunneling currents higher than 0.2 nA. (literal)
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