Quantum dot

<physics> (Or "single-electron transistor") A location capable of containing a single electrical charge; i.e., a single electron of Coulomb charge.

Physically, quantum dots are nanometer-size semiconductor structures in which the presence or absence of a quantum electron can be used to store information.

See also: quantum cell, quantum cell wire, quantum-dot cellular automata.

(http://www-mtl.mit.edu/MTL/bulletin/v6n2/Kumar.html).

["Quantum Dot Heterostructures", D. Bimberg, et al, John Wiley & Sons Ltd., Dec 1998].

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