Nanowires, nanostructures and devices fabricated therefrom

   
   

One-dimensional nanostructures having uniform diameters of less than approximately 200 nm. These inventive nanostructures, which we refer to as "nanowires", include single-crystalline homostructures as well as heterostructures of at least two single-crystalline materials having different chemical compositions. Because single-crystalline materials are used to form the heterostructure, the resultant heterostructure will be single-crystalline as well. The nanowire heterostructures are generally based on a semiconducting wire wherein 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).

Nanostructures unidimensionales que tienen diámetros uniformes de menos que aproximadamente 200 nm. Estos nanostructures inventivos, a que referimos como "nanowires", incluyen homostructures solo-cristalinos así como heteroestructuras por lo menos de dos materiales solo-cristalinos que tienen diversas composiciones químicas. Porque los materiales solo-cristalinos se utilizan para formar la heteroestructura, la heteroestructura resultante será solo-cristalina también. Las heteroestructuras del nanowire se basan generalmente en un alambre semiconductor en donde el doping y la composición se controlan en las direcciones longitudinales o radiales, o en ambas direcciones, para rendir un alambre que abarque diversos materiales. Los ejemplos de las heteroestructuras del nanowire que resultan incluyen un nanowire longitudinal de la heteroestructura (LOHN) y un nanowire coaxial de la heteroestructura (COHN).

 
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