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Directed growth of branched nanowire structures

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 127-133
Publikation/Tidskrift/Serie: MRS Bulletin
Volym: 32
Nummer: 2
Dokumenttyp: Artikel
Förlag: MATERIALS RESEARCH SOCIETY, 506 KEYSTONE DR, WARRENDALE, PA 15086 USA

Sammanfattning

We describe the production of hierarchical branched nanowire structures by the sequential seeding of multiple wire generations with metal nanoparticles. Such complex structures represent the next step in the study of functional nanowires, as they increase the potential functionality of nanostructures produced in a self-assembled way. It is possible, for example, to fabricate a variety of active heterostructure segments with different compositions and diameters within a single connected structure. The focus of this work is on epitaxial III-V semiconductor branched nanowire structures, with the two materials GaP and InAs used as typical examples of branched structures with cubic (zinc blende) and hexagonal (wurtzite) crystal structures. The general morphology of these structures will be described, as well as the relationship between morphology and crystal structure.

Disputation

Nyckelord

  • Technology and Engineering
  • Nanotechnology
  • semiconductors
  • crystal structure
  • Nanowires
  • electron microscopy

Övriga

Published
Yes
  • ISSN: 0883-7694

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