Phys. Rev. Lett. 86, 672–675 (2001)Conformational Changes of Single Molecules Induced by Scanning Tunneling Microscopy Manipulation: A Route to Molecular SwitchingReceived 10 July 2000; published in the issue dated 22 January 2001 A detailed experimental and theoretical investigation of the processes involved in the manipulation of individual specially designed porphyrin-based molecules by scanning tunneling microscopy at low temperature is presented. On a stepped Cu(211) surface, the interaction between tip and molecule was used to locally modify in a reversible way the internal configuration of a single molecule, thus drastically changing the tunneling current passing through it. Model calculations confirm that this manipulation realizes the principle of a conformational molecular switch. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.672
DOI:
10.1103/PhysRevLett.86.672
PACS:
85.65.+h, 68.37.Ef, 82.37.Gk
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