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The European Physical Journal D

, Volume 45, Issue 3, pp 401–408 | Cite as

Softlanding and STM imaging of Ag 561 clusters on a C 60 monolayer

  • S. Duffe
  • T. Irawan
  • M. Bieletzki
  • T. Richter
  • B. Sieben
  • C. Yin
  • B. von Issendorff
  • M. Moseler
  • H. HövelEmail author
Geometrical Structure and Dynamics

Abstract.

The low energy deposition of silver cluster cations with 561 (±5) atoms on a cold fullerene covered gold surface has been studied both by scanning tunneling microscopy and molecular dynamics simulation. The special properties of the C60/Au(111) surface result in a noticeable fixation of the clusters without a significant change of the cluster shape. Upon heating to room temperature we observe a flattening or shrinking of the cluster samples due to thermal activation. Similar changes were observed also for mass selected Ag clusters with other sizes. For comparison we also studied Ag islands of similar size, grown by low temperature deposition of Ag atoms and subsequent annealing. A completely different behavior is observed with much broader size distributions and a qualitatively different response to annealing.

PACS.

68.37.Ef Scanning tunneling microscopy 61.48.+c Fullerenes and fullerene-related materials 61.46.-w Nanoscale materials 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • S. Duffe
    • 1
  • T. Irawan
    • 1
  • M. Bieletzki
    • 1
  • T. Richter
    • 1
  • B. Sieben
    • 1
  • C. Yin
    • 2
  • B. von Issendorff
    • 2
  • M. Moseler
    • 3
    • 4
  • H. Hövel
    • 1
    Email author
  1. 1.Universität DortmundDortmundGermany
  2. 2.Universität FreiburgFreiburgGermany
  3. 3.Fraunhofer-Institut für Werkstoffmechanik IWMFreiburgGermany
  4. 4.Freiburg Materials Research Center, Stefan-Meier-Straße 21FreiburgGermany

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