METHOD OF FABRICATING NANOSTRUCTURES AND NANOWIRES AND DEVICE FABRICATED THEREFROM

摘要

PROBLEM TO BE SOLVED: To provide a method of fabricating nanostructures and nanowires and a device fabricated therefrom.

SOLUTION: A one-dimensional nanostructure has a uniform diameter of less than approximately 200 nm. Such new nanostructure which is called as "a nanowire" includes a single-crystal homostructure as well as heterostructure of at least two single crystal materials having different chemical compositions. Because the single crystal material is used to form the heterostructure, the resultant heterostructure may be a single crystal as well. The nanowire heterostructure is generally based on a semiconducting wire in which the doping and composition are controlled in either the longitudinal or radial directions, or in both directions, to yield a wire that comprises different materials. Examples of resulting nanowire heterostructures include a longitudinal heterostructure nanowire (LOHN) and a coaxial heterostructure nanowire (COHN).

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