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Electronically Driven Single-Molecule Switch on Silicon Dangling Bonds

We demonstrate that a single 4-acetylbiphenyl molecule adsorbed along the dimer row of a Si(100)-(2 × 1) surface can be reversibly switched between two stable conformations using the tunneling current of a scanning tunneling microscope. The experiment supported by density functional theory calculations demonstrates that the molecule by switching selectively passivates and depassivates a dangling-bond pair on the silicon surface, opening new routes for the logical input in dangling-bond-based atomic-scale circuits.

online .pdf paper (for personal use only) 10.1021/acs.jpcc.6b05680 export BibTeX citation (txt file) export EndNote citation (ris file)