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Science 19 November 1999:
Vol. 286. no. 5444, pp. 1550 - 1552
DOI: 10.1126/science.286.5444.1550
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Reports

Large On-Off Ratios and Negative Differential Resistance in a Molecular Electronic Device

J. Chen, 1 M. A. Reed, 1* A. M. Rawlett, 2 J. M. Tour 2*

A molecule containing a nitroamine redox center (2'-amino-4-ethynylphenyl-4'-ethynylphenyl-5'-nitro-1-benzenethiol) was used in the active self-assembled monolayer in an electronic device. Current-voltage measurements of the device exhibited negative differential resistance and an on-off peak-to-valley ratio in excess of 1000:1.

1 Departments of Electrical Engineering, Applied Physics, and Physics, Yale University, Post Office Box 208284, New Haven, CT 06520, USA.
2 Department of Chemistry and Center for Nanoscale Science and Technology, Rice University, Mail Stop 222, 6100 Main Street, Houston, TX 77005, USA.
*   To whom correspondence should be addressed.

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