Gap size dependent transition from direct tunneling to field emission in single molecule junctions.
نویسندگان
چکیده
I/V characteristics recorded in mechanically controllable break junctions revealed that field emission transport is enhanced in single molecule junctions as the gap size between two nanoelectrodes is reduced. This observation indicates that Fowler-Nordheim tunneling occurs not only for intermolecular but also for intramolecular electron transport driven by a reduced energy barrier at short tunneling distances.
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عنوان ژورنال:
- Chemical communications
دوره 47 16 شماره
صفحات -
تاریخ انتشار 2011