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Comparision between (111)B and (100) III-V nanowhiskers

Publiceringsår: 2002
Språk: Engelska
Sidor: 2
Publikation/Tidskrift/Serie: 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science
Dokumenttyp: Konferensbidrag
Förlag: Lund Univ

Sammanfattning

Epitaxial III-V nanowhiskers have been grown with orientation in the [111]B and [100] directions. While the nature of the crystal structure in the (111)B type of whiskers varies more or less at random between hexagonal (wurtzite) and cubic (zincblende) structure, the (100) type whiskers are of single crystal zincblende structure. We show that the bounding surface facets of the whiskers are either {110} type (zincblende) or the related {1120} facets (wurtzite), giving a rectangular cross-section of (100) whiskers and a hexagonal cross section of (111)B whiskers. The variations in crystal structure and facet type are discussed in connection to the electronic properties of the whiskers and the choice of whisker type for applications in electronics and photonics

Disputation

Nyckelord

  • Physics and Astronomy
  • GaAs
  • InAs
  • InP
  • electronics
  • B
  • photonics
  • B whiskers
  • crystal structure
  • epitaxial III-V nanowhiskers
  • zincblende
  • hexagonal structure
  • wurtzite
  • cubic structure
  • bounding surface facets
  • rectangular cross section
  • hexagonal cross section
  • electronic properties
  • facet type

Övriga

Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21)
24-28 June 2002
Malmö, Sweden
Published
Yes

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