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Intermolecular artifacts in probe microscope images of C-60 assemblies

Research output: Contribution to journalJournal articlepeer-review

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  • Samuel Paul Jarvis
  • Mohammad Abdur Rashid
  • Adam Sweetman
  • Jeremy Leaf
  • Simon Taylor
  • Philip Moriarty
  • Janette Dunn
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Article number241405
<mark>Journal publication date</mark>15/12/2015
<mark>Journal</mark>Physical review B
Issue number24
Volume92
Number of pages6
Publication StatusPublished
Early online date9/12/15
<mark>Original language</mark>English

Abstract

Claims that dynamic force microscopy has the capability to resolve intermolecular bonds in real space continue to be vigorously debated. To date, studies have been restricted to planar molecular assemblies with small separations between neighboring molecules. Here we report the observation of intermolecular artifacts over much larger distances in 2D assemblies of C-60 molecules, with compelling evidence that in our case the tip apex is terminated by a C-60 molecule (rather than the CO termination typically exploited in ultrahigh resolution force microscopy). The complete absence of directional interactions such as hydrogen or halogen bonding, the nonplanar structure of C-60, and the fullerene termination of the tip apex in our case highlight that intermolecular artifacts are ubiquitous in dynamic force microscopy.