American Chemical Society, Nano Letters, 8(11), p. 3142-3146, 2011
DOI: 10.1021/nl201185y
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The contact conductance of oriented C(60) molecules is probed with a scanning tunneling microscope as a function of the lateral position of the tip in contact to the molecular cage. Together with first principles calculations, these measurements reveal variations of the efficiency of charge injection to the fullerene molecule with the order of the contacted carbon-carbon bond.