Direct observation of Sn adatoms dynamical fluctuations at the Sn/Ge(111) surface (Articolo in rivista)

Type
Label
  • Direct observation of Sn adatoms dynamical fluctuations at the Sn/Ge(111) surface (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.95.156101 (literal)
Alternative label
  • Ronci F. (1); Colonna S. (1); Thorpe S.D. (1); Cricenti A. (1); Le Lay G. (2) (2005)
    Direct observation of Sn adatoms dynamical fluctuations at the Sn/Ge(111) surface
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ronci F. (1); Colonna S. (1); Thorpe S.D. (1); Cricenti A. (1); Le Lay G. (2) (literal)
Pagina inizio
  • 156101 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 95 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) CNR-Istituto di Struttura della Materia, Italy (2) CRMCN-CNRS, Campus de Luminy, France (literal)
Titolo
  • Direct observation of Sn adatoms dynamical fluctuations at the Sn/Ge(111) surface (literal)
Abstract
  • The well-known low-temperature phase transition sqrt(3)×sqrt(3) to 3×3 for the 1/3 monolayer of Sn adatoms on the Ge(111) surface has been studied by scanning tunneling microscopy. The STM tip was used as a probe to record the tunneling current as a function of time on top of the Sn adatoms. The presence of steps on the current-time curves allowed the detection of fluctuating Sn atoms along the direction vertical to the substrate. We discuss the effect of temperature and surface defects on the frequency of the motion, finding consistency with the dynamical fluctuations model. (literal)
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