Room-Temperature Repositioning of Individual C(60) Molecules at Cu Steps: Operation of a Molecular Counting Device

Copyright © (1996) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics

C(60) molecules absorbed on a monoatomic Cu step have been reversibly repositioned at room temperature with the tip of a scanning tunneling microscope by performing controlled displacements along the step direction. We demonstrate the feasibility of building an abacus on the nanometer scale using single molecules as ``counters'', Cu monoatomic steps as ``rods'' that constrain the molecular motion to one dimension, and the scanning tunneling microscope as an ``actuator'' for counting operations.

By: M. T. Cuberes, R. R. Schlittler and J. K. Gimzewski

Published in: Applied Physics Letters, volume 69, (no 20), pages 3016-8 in 1996

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