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Home Online Presentations Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires About

Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires

By Gerhard Klimeck1, Timothy Boykin2, Neerav Kharche1, Mathieu Luisier1, Neophytos Neophytou3

1. Electrical and Computer Engineering, Purdue University, West Lafayette, IN 2. Electrical and Computer Engineering, University of Alabama in Huntsville, Huntsville, AL 3. Technical University of Vienna, Austria

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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

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