Atomic-scale control of electron transport through single molecules.
نویسندگان
چکیده
Tin-phthalocyanine molecules adsorbed on Ag(111) were contacted with the tip of a cryogenic scanning tunneling microscope. Orders-of-magnitude variations of the single-molecule junction conductance were achieved by controllably dehydrogenating the molecule and by modifying the atomic structure of the surface electrode. Nonequilibrium Green's function calculations reproduce the trend of the conductance and visualize the current flow through the junction, which is guided through molecule-electrode chemical bonds.
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عنوان ژورنال:
- Physical review letters
دوره 104 17 شماره
صفحات -
تاریخ انتشار 2010