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Nanowires Made from Semiconductor Material
Using the so-called bottom-up approach, semiconductor nanostructures can be produced directly by means of epitaxial growth.  In contrast to the alternative top-down method, where lithographical processes are laboriously defined, this approach has the potential to simplify the fabrication process considerably.  Among the possible structures which can be fabricated using the bottom-up approach, semiconductor nanowires, such as the ones shown here, are of special interest.  The associated one-dimensional electrical channel can be used, not only as a building block for future nanotransitors, but also as a versatile basis for diverse quantum structures.

Research division: Semiconductor Nanoelectronics (PGI-9)

Copyright: Forschungszentrum Jülich