Bistable molecular mechanical devices with an appended rotor activated by an electric field for electronic switching, gating and memory applications
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United States of America Patent
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Jan 28, 2003
Grant Date -
Sep 19, 2002
app pub date -
Jan 12, 2001
filing date -
Jan 12, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In accordance with the present invention, nanometer-scale reversible electronic switches are provided that can be assembled to make cross-bar circuits that provide memory, logic, and communications functions. The electronic switches, or crossed-wire devices, comprise a pair of crossed wires that form a junction where one wire crosses another at an angle other than zero degrees and at least one connector species connecting the pair of crossed wires in the junction. The junction has a functional dimension in nanometers, wherein at least one connector species and the pair of crossed wires forms an electrochemical cell. The connector species comprises a bistable molecule having a general formula given by ##STR1## The bistable molecules evidence high switching speed. Such molecules are essentially stable against switching due to thermal fluctuations.
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