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Molecular Electronic Circuit Analysis

James C. Ellenbogen*

Nanosystems Group, The MITRE Corporation,
McLean, VA 22102 USA

This is an abstract for a presentation given at the
Eighth Foresight Conference on Molecular Nanotechnology.
There will be a link from here to the full article when it is available on the web.


Recently there have been impressive experimental demonstrations of individual conductive molecular wires and molecular electrical switches. The next logical step toward the development of an electronic computer integrated on the molecular scale is to incorporate several such molecular wires and several such molecular switches into a single molecular circuit structure designed to perform a simple digital computation, such as addition [1,2]. The speaker will describe the results from quantitative analyses of designs for such conductive monomolecular circuit structures. For example, this molecular circuit analysis reveals that molecular electronic circuits are likely to switch and to compute better than analogous micron-scale, solid-state circuits. The speaker also will discuss research which has resulted in the development of a prototype software tool for performing these molecular circuit analyses. The tool provides a graphical interface in which one can assemble a model of a molecular circuit structure, for which it analyzes the electrical performance. This tool has been tentatively named "MolSPICE", since it performs analyses for molecular circuits that are similar to those performed by the well-known and widely available SPICE tool that is used in the analysis of microelectronic circuits.

[1] J. C. Ellenbogen and J. C. Love, "Architectures for molecular electronic computers: 1. Logic structures and an adder designed from molecular electronic diodes," Proceedings of the IEEE, vol. 88, no. 3, March 2000, pp. 386-426.

[2] A preprint of reference 1 above is available on the Web at the URL:

*Corresponding Address:
James C. Ellenbogen, Ph.D.
Principal Scientist, Nanosystems Group
The MITRE Corporation
1820 Dolley Madison Blvd., Mailstop W635
McLean, VA 22102 USA


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