MCW07 Simple Models for Molecular Transport Junctions

13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner

We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.

https://nanohub.org/resources/3072

MCW07 Modeling Charging-based Switching in Molecular Transport Junctions

23 Aug 2007 | Online Presentations | Contributor(s): Sina Yeganeh, Misha Galperin, Mark A. Ratner

We will discuss several proposed explanations for the switching and negative differential resistance behavior seen in some molecular junctions. It is shown that a proposed polaron model is …

https://nanohub.org/resources/3076

BNC Annual Research Symposium: Nanoscale Energy Conversion

23 Apr 2007 | Online Presentations | Contributor(s): Timothy S Fisher

This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

https://nanohub.org/resources/2636

Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces

01 Feb 2007 | Online Presentations | Contributor(s): Baratunde A. Cola

Carbon nanotubes (CNTs) have received much attention in recent years for their extraordinary properties that through careful engineering may be leverage for the development of numerous advantageous …

https://nanohub.org/resources/2317

McCoy Lecture: Nanodevices and Maxwell's Demon

04 Oct 2006 | Online Presentations | Contributor(s): Supriyo Datta

This is a video taped live lecture covering roughly the same material as lecture 1 of "Concepts of Quantum Transport". Video only.

https://nanohub.org/resources/1831

CQT Lecture 4: Coulomb blockade and Fock space

30 Nov 2006 | Online Presentations | 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 …

https://nanohub.org/resources/2044

CQT Lecture 3: Probabilities, Wavefunctions and Green Functions

30 Nov 2006 | Online Presentations | 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.

https://nanohub.org/resources/2043

CQT Lecture 2: Electrical Resistance - A Simple Model

30 Nov 2006 | Online Presentations | 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.

https://nanohub.org/resources/2042

CQT Lecture 1: Nanodevices and Maxwell's Demon

30 Nov 2006 | Online Presentations | Contributor(s): Supriyo Datta

Objective: To illustrate the subtle interplay of dynamics and thermodynamicsthat distinguishes transport physics.

https://nanohub.org/resources/2041

CQT Introduction

30 Nov 2006 | Online Presentations | Contributor(s): Supriyo Datta

A short overview of this series of four lectures is given.

https://nanohub.org/resources/2040

Understanding Phonon Dynamics via 1D Atomic Chains

04 Apr 2006 | Online Presentations | 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. …

https://nanohub.org/resources/1186

Exploring Electron Transfer with Density Functional Theory

11 Jun 2006 | Online Presentations | Contributor(s): Troy Van Voorhis

This talk will highlight several illustrative applications of constrained density functional theory (DFT) to electron transfer dynamics in electronic materials. The kinetics of these reactions are …

https://nanohub.org/resources/1566

NanoMOS 3.0: First-Time User Guide

06 Jun 2006 | Online Presentations | 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 …

https://nanohub.org/resources/1533

Logic Devices and Circuits on Carbon Nanotubes

05 Apr 2006 | Online Presentations | 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 …

https://nanohub.org/resources/1487

Nanoscale Transistors: Advanced VLSI Devices (Introductory Lecture)

20 Apr 2006 | Online Presentations | 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 …

https://nanohub.org/resources/1236

Molecular Transport Structures: Elastic Scattering, Vibronic Effects and Beyond

13 Feb 2006 | Online Presentations | Contributor(s): Mark A. 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 …

https://nanohub.org/resources/1018

A Top-Down Introduction to the NEGF Approach

14 Jun 2004 | Online Presentations | Contributor(s): Mark Lundstrom

A Top-Down Introduction to the NEGF Approach

https://nanohub.org/resources/934

Bandstructure in Nanoelectronics

01 Nov 2005 | Online Presentations | 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 …

https://nanohub.org/resources/381

Simple Theory of the Ballistic MOSFET

11 Oct 2005 | Online Presentations | 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 …

https://nanohub.org/resources/491

Parallel Computing for Realistic Nanoelectronic Simulations

12 Sep 2005 | Online Presentations | 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 …

https://nanohub.org/resources/191