Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires

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This presentation discusses the consequences of Alloy Disorder in unstrained strained AlGaAs nanowires

  • Relationship between dispersion relationship and transmission in perfectly ordered wires
  • Band folding in Si nanowires
  • Tranmisison in disordered wires – relationship to an approximate bandstructre
  • Reminder of the origin of bandstructure and bandstructure engineering
  • Localization of wavefunctions

Learning Objectives:

  1. Alloy wires are NOT smooth
  2. “Conduction band edge” flucatuates locally
  3. Dispersion changes
  4. Transmission and Density of states show localization effects

Cite this work

Researchers should cite this work as follows:

  • Gerhard Klimeck; Timothy Boykin; Neerav Kharche; Mathieu Luisier; Neophytos Neophytou (2010), "Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires,"

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Università di Pisa, Pisa, Italy