Thermal stability of uni-size Pt cluster disk constructed on silicon substrate

  • Nobuyuki Fukui
  • Hisato YasumatsuEmail author
Regular Article
Part of the following topical collections:
  1. Topical issue: ISSPIC 16 - 16th International Symposium on Small Particles and Inorganic Clusters


Thermal stability of a uni-size platinum cluster disk, Pt30, constructed on a silicon (111) surface was investigated in a temperature range from room temperature to 773 K by means of a scanning tunneling microscope (STM). The apparent height and diameter and the number density of the cluster disks were obtained from the STM images as a function of the heating temperature. According to the statistical analysis of these specific values, it has been concluded that both the cluster disk and the neighboring substrate surface are stable up to 673 K, then they start being decomposed at the higher temperatures.


Scanning Tunneling Microscope Tunneling Current Scanning Tunneling Microscope Image Apparent Height Sequential Heating 
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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.East Tokyo Laboratory, Genesis Research InstituteChibaJapan
  2. 2.Cluster Research Laboratory, Toyota Technological Institute: in East Tokyo Laboratory, Genesis Research InstituteChibaJapan

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