Intermolecular artifacts in probe microscope images of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">C</mml:mi><mml:mn>60</mml:mn></mml:msub></mml:math>assemblies
Physical review. B, Condensed matter and materials physics