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Knut Deppert

Knut Deppert

Professor

Knut Deppert

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

Author

  • Jonas Ohlsson
  • Ann Persson
  • Reine Wallenberg
  • T. Sass
  • Knut Deppert
  • Lars Samuelson

Summary, in English

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

Department/s

  • Solid State Physics
  • Centre for Analysis and Synthesis

Publishing year

2002

Language

English

Publication/Series

7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science

Document type

Conference paper

Publisher

Lund University

Topic

  • Condensed Matter Physics

Keywords

  • 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

Conference name

Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21)

Conference date

2002-06-24 - 2002-06-28

Conference place

Malmö, Sweden

Status

Published