Applied Physics A Solids and Surfaces

Internal structure of C60 fullerence molecules as revealed by low-temperature STM

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We have performed Scanning Tunneling Microscopy (STM) in ultra-high vacuum at low temperatures (5 and 50K) of unordered and ordered C60 layers adsorbed on a Au(110) surface. STM topographs of the frozen C60 molecules reveal four symmetric patterns within single molecules, which may be associated with different orientations of the fullerenes on a highly corrugated gold substrate. © 1993 Springer-Verlag.