Tags: disorder

Online Presentations (1-4 of 4)

  1. Nanoelectronic Modeling Lecture 33: Alloy Disorder in Bulk

    04 Aug 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Chris Bowen

    This presentation discusses disorder in AlGaAs unstrained systems in bulk. Bandstructure of an ideal simple unit cellWhat happens when there is disorder?Concept of a supercellBand folding in a supercellBand extraction from the concept of approximate bandstructureComparison of alloy disorder...

  2. Nanoelectronic Modeling Lecture 34: Alloy Disorder in Quantum Dots

    05 Aug 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Chris Bowen

    This presentation discusses the consequences of Alloy Disorder in strained InGaAs Quantum Dots Reminder of the origin of bandstructure and bandstructure engineeringWhat happens when there is disorder?Concept of disorder in the local bandstructureConfiguration noise, concentration noise,...

  3. Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires

    05 Aug 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Neerav Kharche, Mathieu Luisier, Neophytos Neophytou

    This presentation discusses the consequences of Alloy Disorder in unstrained strained AlGaAs nanowiresRelationship between dispersion relationship and transmission in perfectly ordered wiresBand folding in Si nanowiresTranmisison in disordered wires – relationship to an approximate...

  4. Nanoelectronic Modeling Lecture 41: Full-Band and Atomistic Simulation of Realistic 40nm InAs HEMT

    05 Aug 2010 | | Contributor(s):: Gerhard Klimeck, Neerav Kharche, Neophytos Neophytou, Mathieu Luisier

    This presentation demonstrates the OMEN capabilities to perform a multi-scale simulation of advanced InAs-based high mobility transistors.Learning Objectives:Quantum Transport Simulator Full-Band and Atomistic III-V HEMTs Performance Analysis Good Agreement with Experiment Some Open Issues...