Two QuIETs

Schematic diagrams of two types of QuIET.

In each, base voltage modulates the coherent suppression of current between emitter (E) and collector (C) leads.

In (a), base voltage controls the distance x between the benzene ring and base lead (B), for example an STM tip. This in turn controls the coupling of the ring to the base lead.

In (b), a base complex is introduced between the ring and base lead. The electrostatic effect of the base lead's bias on this molecule alters its coupling to the benzene ring (Image and text: arXiv.org/abs/cond-mat/0503540 ).

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