Tunneling in an Nanometer-Scaled Transistor

25 Jan 2011 | Animations | Contributor(s): Gerhard Klimeck, Mathieu Luisier, Neerav Kharche, George A. Howlett, Insoo Woo, David Ebert

Electrons tunneling through the gate of an ultra-scaled transistor.

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

05 Aug 2010 | Online Presentations | 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 …

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

05 Aug 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Mathieu Luisier

This presentation the effects of line edge roughness on graphene nano ribbon (GNR) transitors.. Learning Objectives: GNR TFET Simulation pz Tight-Binding Orbital Model 3D Schrödinger-Poisson Solver Device Simulation Structure Optimization (Doping, Lg, VDD) …

Nanoelectronic Modeling Lecture 39: OMEN: Band-to-Band-Tunneling Transistors

05 Aug 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Mathieu Luisier

This presentation discusses the motivation for band-to-band tunneling transistors to lower the power requirements of the next generation transistors. The capabilities of OMEN to model such complex devices on an atomistic representation is demonstrated. Learning Objectives: Band-To-Band …

Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires

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

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 …

OMEN_FET

09 Apr 2009 | Tools | Contributor(s): Neerav Kharche, Mathieu Luisier, George A. Howlett, Gerhard Klimeck, Mehdi Salmani Jelodar

Simulates High Electron Mobility Transistor (HEMT), single-gate MOSFET, and double-gate MOSFET in effective mass approximation

OMEN Nanowire Supporting Document

21 Feb 2009 | Downloads | Contributor(s): SungGeun Kim, Gerhard Klimeck, Mathieu Luisier

This material supplements the first-time user guide for OMEN Nanowire with details concerning the limitation of the tool at large gate voltage. At large gate voltage, the calculations of the drain current can be incorrect when the Poisson solver in OMEN does not converge. This problem is not …

OMEN Nanowire: First-Time User Guide

21 Feb 2009 | Teaching Materials | Contributor(s): SungGeun Kim, Benjamin P Haley, Mathieu Luisier, Saumitra Raj Mehrotra, Gerhard Klimeck

This is the first-time user guide for OMEN Nanowire. In addition to showing how the tool operates, it briefly explains what the OMEN Nanowire is, what it can do, and the input and output relationship. NCN@Purdue [1] Sung Dae Suk, et. al., IEDM, 2005, "High Performance 5nm radius Twin Silicon …

OMEN Nanowire

02 Sep 2008 | Tools | Contributor(s): SungGeun Kim, Mathieu Luisier, Benjamin P Haley, Abhijeet Paul, Saumitra Raj Mehrotra, Gerhard Klimeck

Full-band 3D quantum transport simulation in nanowire structure

Resonant Tunneling Diode Simulation with NEGF

18 Aug 2008 | Tools | Contributor(s): Hong-Hyun Park, Zhengping Jiang, Arun Goud Akkala, Sebastian Steiger, Michael Povolotskyi, Tillmann Christoph Kubis, Jean Michel D Sellier, Yaohua Tan, SungGeun Kim, Mathieu Luisier, Samarth Agarwal, Michael McLennan, Gerhard Klimeck, Junzhe Geng

Simulate 1D RTDs using NEGF.

Piece-Wise Constant Potential Barriers Tool

30 Jun 2008 | Tools | Contributor(s): Xufeng Wang, Samarth Agarwal, Gerhard Klimeck, Dragica Vasileska, Mathieu Luisier, Jean Michel D Sellier

Transmission and the reflection coefficient of a five, seven, nine, eleven and 2n-segment piece-wise constant potential energy profile

Quantum Transport for Nanostructures

17 Sep 2006 | Publications | Contributor(s): Mathieu Luisier

Nonequilibrium Green's function techniques, initiated by Schwinger and Kadanoff and Baym allow ones to study the time evolution of a many-particle quantum sys- tem. Knowing the 1-particle Green's functions of a given system, one may evaluate 1-particle quantities like carrier density or …