Scanning Tunneling Microscopy Study of Single Pb Atom Diffusion on Si(111)7×7 and Si(111)5×5 Surfaces

  • J. M. Gómez-Rodríguez
  • J.-Y. Veuillen
  • A. M. Baró
  • R. C. Cinti
Part of the NATO ASI Series book series (NSSB, volume 360)


The diffusion of single Pb atoms on Si(111)7×7 and Si(111)5×5 surfaces has been investigated in real time by scanning tunneling microscopy (STM). The STM results show that single Pb atoms are highly mobile at room temperature inside (7×7) or (5×5) half-cells but diffuse at very low rates to neighbor half-cells.


Scanning Tunneling Microscopy Single Atom Semiconductor Surface Atom Diffusion Scanning Tunneling Microscopy Image 
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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • J. M. Gómez-Rodríguez
    • 1
  • J.-Y. Veuillen
    • 2
  • A. M. Baró
    • 1
  • R. C. Cinti
    • 2
  1. 1.Departamento de Física de la Materia CondensadaUniversidad Autónoma de MadridMadridSpain
  2. 2.Laboratoire d’Etudes des Propriétés Electroniques des SolidesCNRSGrenoble, Cédex 9France

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