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CQT Lecture 4: Coulomb blockade and Fock space
Online Presentations | 30 Nov 2006 | Contributor(s):: Supriyo Datta
Objective: To illustrate the limitations of the model described in Lectures 2, 3 and introduce a completely different approach based on the concept of Fock space. I believe this will be a key concept in the next stage of development of transport physics.
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CQT Lecture 3: Probabilities, Wavefunctions and Green Functions
Online Presentations | 30 Nov 2006 | Contributor(s):: Supriyo Datta
Objective: To extend the simple model from Lecture 2 into the full-blown model combines the NEGF (Non-Equilibrium Green Function) method with the Landauer approach.
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CQT Lecture 2: Electrical Resistance - A Simple Model
Online Presentations | 30 Nov 2006 | Contributor(s):: Supriyo Datta
Objective:To introduce a simple quantitative model for describing current flow in nanoscalestructures and relate it to well-known large scale properties like Ohm’s Law.
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CQT Lecture 1: Nanodevices and Maxwell's Demon
Online Presentations | 30 Nov 2006 | Contributor(s):: Supriyo Datta
Objective: To illustrate the subtle interplay of dynamics and thermodynamicsthat distinguishes transport physics.
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CQT Introduction
Online Presentations | 30 Nov 2006 | Contributor(s):: Supriyo Datta
A short overview of this series of four lectures is given.
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Understanding Phonon Dynamics via 1D Atomic Chains
Online Presentations | 04 Apr 2006 | Contributor(s):: Timothy S Fisher
Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices. Despite the importance of phonons, rigorous understanding and inclusion of phonon dynamics in...
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Exploring Electron Transfer with Density Functional Theory
Online Presentations | 11 Jun 2006 | Contributor(s):: Troy Van Voorhis
This talk will highlight several illustrative applications of constrained density functionaltheory (DFT) to electron transfer dynamics in electronic materials. The kinetics of thesereactions are commonly expressed in terms of well known Marcus parameters (drivingforce, reorganization energy and...
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NanoMOS 3.0: First-Time User Guide
Online Presentations | 06 Jun 2006 | Contributor(s):: Kurtis Cantley, Mark Lundstrom
This tutorial is an introduction to the nanoMOS simulation tool for new users. Descriptions of input and output parameters are included, along with new features associated with the Rappture interface. There are also descriptions of nine examples that are loadable in the new version to help the...
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Logic Devices and Circuits on Carbon Nanotubes
Online Presentations | 05 Apr 2006 | Contributor(s):: Joerg Appenzeller
Over the last years carbon nanotubes (CNs) have attracted an increasing interest as building blocks for nano-electronics applications. Due to their unique properties enabling e.g. ballistic transport at room-temperature over several hundred nanometers, high performance CN field-effect transistors...
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Nanoscale Transistors: Advanced VLSI Devices (Introductory Lecture)
Online Presentations | 20 Apr 2006 | Contributor(s):: Mark Lundstrom
Welcome to the ECE 612 Introductory/Overview lecture. This course examines the device physics of advanced transistors and the process, device, circuit, and systems considerations that enter into the development of new integrated circuit technologies.
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Molecular Transport Structures: Elastic Scattering, Vibronic Effects and Beyond
Online Presentations | 13 Feb 2006 | Contributor(s):: Mark Ratner, Abraham Nitzan, Misha Galperin
Current experimental efforts are clarifying quite beautifully the nature of charge transport in so-called molecular junctions, in which a single molecule provides the channel for current flow between two electrodes. The theoretical modeling of such structures is challenging, because of the...
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A Top-Down Introduction to the NEGF Approach
Online Presentations | 14 Jun 2004 | Contributor(s):: Mark Lundstrom
A Top-Down Introduction to the NEGF Approach
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Bandstructure in Nanoelectronics
Online Presentations | 01 Nov 2005 | Contributor(s):: Gerhard Klimeck
This presentation will highlight, for nanoelectronic device examples, how the effective mass approximation breaks down and why the quantum mechanical nature of the atomically resolved material needs to be included in the device modeling. Atomistic bandstructure effects in resonant tunneling...
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Simple Theory of the Ballistic MOSFET
Online Presentations | 11 Oct 2005 | Contributor(s):: Mark Lundstrom
Silicon nanoelectronics has become silicon nanoelectronics, but we still analyze, design, and think about MOSFETs in more or less in the same way that we did 30 years ago. In this talk, I will describe a simple analysis of the ballistic MOSFET. No MOSFET is truly ballistic, but approaching this...
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Parallel Computing for Realistic Nanoelectronic Simulations
Online Presentations | 12 Sep 2005 | Contributor(s):: Gerhard Klimeck
Typical modeling and simulation efforts directed towards the understanding of electron transport at the nanometer scale utilize single workstations as computational engines. Growing understanding of the involved physics and the need to model realistically extended devices increases the complexity...
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Review of Several Quantum Solvers and Applications
Online Presentations | 11 Jun 2004 | Contributor(s):: Umberto Ravaioli
Review of Several Quantum Solvers and Applications
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Numerical Aspects of NEGF: The Recursive Green Function Algorithm
Online Presentations | 14 Jun 2004 | Contributor(s):: Gerhard Klimeck
Numerical Aspects of NEGF: The Recursive Green Function Algorithm
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Huckel-IV on the nanoHub
Online Presentations | 09 Jul 2003 | Contributor(s):: Magnus Paulsson, Ferdows Zahid, Supriyo Datta
Huckel-IV on the nanoHub
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Understanding Molecular Conduction
Online Presentations | 08 Jul 2004 | Contributor(s):: Supriyo Datta
It is common to differentiate between two ways of building a nanodevice: a topdown approach where we start from something big and chisel out what we want and abottom-up approach where we start from something small like atoms or molecules andassemble what we want. When it comes to describing...
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NEMO 1-D: The First NEGF-based TCAD Tool and Network for Computational Nanotechnology
Online Presentations | 28 Dec 2004 | Contributor(s):: Gerhard Klimeck
Nanotechnology has received a lot of public attention since U.S. President Clinton announced the U.S.National Nanotechnology Initiative. New approaches to applications in electronics, materials,medicine, biology and a variety of other areas will be developed in this new multi-disciplinary...