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Esprit Project 22955 - LASMEDS
Fabrication of elementary molecular electronic devices

Keywords: MEL-ARI Nano-Scale ICs, molecular electronic devices, molecular semiconductors

Project homepage: http:\\\morales\lasmeds10.html


The possible advantages of electronic devices based on single molecule components rather than on ultra-integrated solid state components basically consist in extended integrability to the subnanometer scale and in the reduction of power dissipation to negligible levels. If such devices were available, they would overcome the widely recognized technological bottleneck that will be reached within approximately ten years, when the size of 100 nm per component will be approached, giving rise to coupling effects, tunnelling currents, power dissipation problems, doping drifts. Also, due to the tremendously enhanced integration, and due to the low power needs, an entirely new kind of electronics would develop, based on high parallelism and distributed processing.

The objectives of the project are to fabricate, characterize and test a first elementary single molecule electronic device (a molecular rectifier) by :

Molecules of proven rectifying properties, specifically synthesized and tested, will be laser vaporized and ionized in vacuo in a nanometer sized spatially controlled electric field, and driven by the field in such way as to bridge the nanometer gap between two suitably fabricated electrodes. The current-voltage characteristics of the electrode-molecule-electrode system will then be measured in order to check its rectifying behaviour.

Contact Point
Dr. Pietro Morales
Ente per le Nuove tecnologie, l'Energia e l'Ambiente (ENEA)
Dipart. Innovazione, Divisione Biotecnologie e Agricoltura
Via Anguillarese 301
P.O. Box 2400
I - 00100 Roma

e-mail: (E-mail removed)

Start date: 1 January 97
Duration: 36 months

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