Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires
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Abstract
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:
- Alloy wires are NOT smooth
- “Conduction band edge” flucatuates locally
- Dispersion changes
- Transmission and Density of states show localization effects
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Università di Pisa, Pisa, Italy