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Nanoelectronic Modeling Lecture 40: Performance Limitations of Graphene Nanoribbon Tunneling FETS due to Line Edge Roughness

By Gerhard Klimeck1, Mathieu Luisier1

1. Electrical and Computer Engineering, Purdue University, West Lafayette, IN

Published on


This presentation the effects of line edge roughness on graphene nano ribbon (GNR) transitors..

Learning Objectives:

  1. GNR TFET Simulation
    1. pz Tight-Binding Orbital Model
    2. 3D Schrödinger-Poisson Solver
  2. Device Simulation
    1. Structure Optimization (Doping, Lg, VDD)
    2. LER => Localized Band Gap States
    3. LER => Performance Deterioration
  3. Outlook and Challenges
    1. Ripples Scattering
    2. More Accurate Bandstructure Model
    3. Dissipative Scattering (Electron-Phonon)



Università di Pisa, Pisa, Italy

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