NANOELECTRONICS .doc -- SINGLE ELECTRON TRANSISTOR (Paper Presentation)

ABSTRACT

The shotgun marriage of chemistry and engineering called “Nanotechnology” is ushering in the era of self-replicating machinery and self-assembling consumer goods made from raw atoms. Utilizing the well understood chemical properties of atoms & molecules, nanotechnology proposes the construction of novel molecular devices possessing extraordinary properties. The single electron transistor or SET is a new type of switching device that uses controlled electron tunneling to amplify current.

By using the “Electron beam lithography” and “Electromigration”, the research leads to the designing of a single atom transistor with the help of the meticulously synthesized semiconductor crystals called “quantum dots”, which embodies the electrons confined in a channel and resembles same in its properties as an real atom.

This paper presents a scenario on existing and ongoing studies on NANO ELECTRONICS with the theoretical methods relevant to their understanding. Most of the preceding discussion is premised upon the implicit assumption. That future quantum effect Nano Electronic Devices will be fabricated in Nano Metre scale using molecules. Conductance quantization in ballistic regime has been described under various conditions. The behaviour of “Coulomb Island” through which the electrons can only enter by

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