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FETToy
Tools | 14 Feb 2006 | Contributor(s):: Anisur Rahman, Jing Wang, Jing Guo, Md. Sayed Hasan, Yang Liu, Akira Matsudaira, Shaikh S. Ahmed, Supriyo Datta, Mark Lundstrom
Calculate the ballistic I-V characteristics for conventional MOSFETs, Nanowire MOSFETs and Carbon NanoTube MOSFETs
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OMEN Nanowire: solve the challenge
Teaching Materials | 05 Feb 2011 | Contributor(s):: SungGeun Kim
This document includes a challenging problems for OMEN Nanowire users. It challenges users to establish a nanowire transistor structure such that it satisfy the ITRS 2010 requirements.
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Electron Density in a Nanowire
Animations | 30 Jan 2011 | Contributor(s):: Gerhard Klimeck, Saumitra Raj Mehrotra
Electron Density in a circular Silicon nanowire transistor.
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OMEN Nanowire Homework Problems
Teaching Materials | 23 Jan 2011 | Contributor(s):: SungGeun Kim
OMEN Nanowire homework problems: anyone who has gone through the first-time user guide of OMEN Nanowire and done the examples in the guide should be able to run simulations in these homework problems and find the answers to them.
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OMEN Nanowire Test Problems
Teaching Materials | 24 Jan 2011 | Contributor(s):: SungGeun Kim
This test is for students who have gone through the OMEN Nanowire first-time user guide and other learning materials related to nanowire FETs.
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Inelastic Scattering in NEGF: Matlab Implementation and Exercises
Downloads | 31 Dec 2010 | Contributor(s):: Samiran Ganguly, Supriyo Datta
A set of Matlab scripts has been developed illustrating the treatment of inelastic scattering in non-equilibrium Greens function (NEGF) based quantum transport models. The first script highlights the core principles using a simple conductor described by a (2x2) Hamiltonian matrix, while the...
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Lecture 3: Introduction to NEGF
Online Presentations | 08 Sep 2010 | Contributor(s):: Supriyo Datta
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Surface scattering: Made simple
Papers | 03 Sep 2010 | Contributor(s):: Dmitri Nikonov, Himadri Pal
Surface scattering in a quantum well.
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ANGEL - A Nonequilibrium Green Function Solver for LEDs
Tools | 18 Jan 2010 | Contributor(s):: sebastian steiger
An MPI-parallelized implementation of 1-D NEGF for heterostructures. Includes off-diagonal scattering. Effective mass band structure for electrons and holes. The online tool only provides basic NEGF functionality without scattering.
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Resonant Tunneling Diode operation
Animations | 09 Apr 2010 | Contributor(s):: Saumitra Raj Mehrotra, Gerhard Klimeck
A resonant tunneling diode (RTD) is a type of diode with a resonant tunneling structure that allows electrons to tunnel through various resonant states at certain energy levels. RTDs can be fabricated using many different types of materials (such as III-V, type IV, II-VI semiconductors) and...
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Nanotechnology Animation Gallery
Teaching Materials | 20 Apr 2010 | Contributor(s):: Saumitra Raj Mehrotra, Gerhard Klimeck
Animations and visualization are generated with various nanoHUB.org tools to enable insight into nanotechnology and nanoscience. Click on image for detailed description and larger image download. Additional animations are also...
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Nonequilibrium Green’s functions theory: Transport and optical gain in THz quantum cascade lasers
Online Presentations | 24 Mar 2010 | Contributor(s):: Tillmann Christoph Kubis
Quantum cascade lasers (QCLs) are promising sources of coherent THz radiation. However, state of the art THz-QCLs are still limited to cryogenic temperatures. The charge transport in these QCLs is subject to coherent quantum phenomena, such as quantum tunneling, confinement and interferences as...
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Nanoelectronic Modeling nanoHUB Demo 2: RTD simulation with NEGF
Online Presentations | 01 Feb 2010 | Contributor(s):: Gerhard Klimeck
Demonstration of resonant tunneling diode (RTD) simulation using the RTD Simulation with NEGF Tool with a Hartree potential model showing potential profile, charge densities, current-voltage characteristics, and resonance energies. Also demonstrated is a RTD simulation using a Thomas-Fermi...
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Nanoelectronic Modeling nanoHUB Demo 1: nanoHUB Tool Usage with RTD Simulation with NEGF
Online Presentations | 01 Feb 2010 | Contributor(s):: Gerhard Klimeck
Demonstration of running tools on the nanoHUB. Demonstrated is the RTD Simulation with NEGF Tool using a simple level-drop potential model and a more realistic device using a Thomas-Fermi potential model.
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Nanoelectronic Modeling Lecture 26: NEMO1D -
Online Presentations | 02 Mar 2010 | Contributor(s):: Gerhard Klimeck
NEMO1D demonstrated the first industrial strength implementation of NEGF into a simulator that quantitatively simulated resonant tunneling diodes. The development of efficient algorithms that simulate scattering from polar optical phonons, acoustic phonons, alloy disorder, and interface roughness...
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Quantum transport in semiconductor nanostructures
Papers | 03 Mar 2010 | Contributor(s):: Tillmann Christoph Kubis
PhD thesis of Tillmann Christoph KubisThe main objective of this thesis is to theoretically predict the stationary charge and spin transport in mesoscopic semiconductor quantum devices in the presence of phonons and device imperfections. It is well known that the nonequilibrium Green's function...
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ECET 499N Lecture 5a: Nanoelectronics III - Datta Lecture Review
Online Presentations | 18 Feb 2010 | Contributor(s):: Helen McNally
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Nanoelectronic Modeling Lecture 22: NEMO1D - Motivation, History and Key Insights
Online Presentations | 05 Feb 2010 | Contributor(s):: Gerhard Klimeck
The primary objective of the NEMO-1D tool was the quantitative modeling of high performance Resonant Tunneling Diodes (RTDs). The software tool was intended for Engineers (concepts, fast turn-around, interactive) and Scientists (detailed device anaysis). Therefore various degrees of...
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Nanoelectronic Modeling Lecture 21: Recursive Green Function Algorithm
Online Presentations | 05 Feb 2010 | Contributor(s):: Gerhard Klimeck
The Recursive Green Function (RGF) algorithms is the primary workhorse for the numerical solution of NEGF equations in quasi-1D systems. It is particularly efficient in cases where the device is partitioned into reservoirs which may be characterized by a non-Hermitian Hamiltonian and a central...
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ANGEL - A Nonequilibrium Green's Function Solver for LEDs
Downloads | 06 Feb 2010 | Contributor(s):: sebastian steiger
Introducing ANGEL, a Nonequilibrium Green’s Function code aimed at describing LEDs.ANGEL uses a description close to the classic NEMO-1D paper (Lake et al., JAP 81, 7845 (1997)) to model quantum transport in a light-emitting diode (LED).ANGEL is the first 1D-heterostructure NEGF to include the...