A Quantum Mechanical Analysis of Channel Access Geometry and Series Resistance in Nanoscale Transistors

19 Oct 2006 | Publications | Contributor(s): Ramesh Venugopal, Sebastien Goasguen, Supriyo Datta, Mark Lundstrom

In this paper, we apply a two-dimensional quantum mechanical simulation scheme to study the effect of channel access geometries on device performance. This simulation scheme solves the …

https://nanohub.org/resources/1900

Introduction to the Keldysh Nonequilibrium Green Function Technique

06 Oct 2006 | Publications | Contributor(s): A. P. Jauho

Keldysh nonequilibrium Green function technique is used very widely to describe transport phenomena in mesoscopic systems. The technique is somewhat subtle, and a rigorous treatment would require …

https://nanohub.org/resources/1877

nanoMOS 2.0: A Two -Dimensional Simulator for Quantum Transport in Double-Gate MOSFETs

06 Oct 2006 | Publications | Contributor(s): Zhibin Ren, Ramesh Venugopal, Sebastien Goasguen, Supriyo Datta, Mark Lundstrom

A program to numerically simulate quantum transport in double gate MOSFETs is described. The program uses a Green’s function approach and a simple treatment of scattering based on the idea of …

https://nanohub.org/resources/1875

Simulating Quantum Transport in Nanoscale Transistors: Real versus Mode-Space Approaches

28 Sep 2006 | Publications | Contributor(s): Zhibin Ren, Supriyo Datta, Mark Lundstrom, Ramesh Venugopal, D. Jovanovic

In this paper, we present a computationally efficient, two-dimensional quantum mechanical sim- ulation scheme for modeling electron transport in thin body, fully depleted, n-channel, silicon- …

https://nanohub.org/resources/1835

Device Physics and Simulation of Silicon Nanowire Transistors

28 Sep 2006 | Publications | Contributor(s): Jing Wang

As the conventional silicon metal-oxide-semiconductor field-effect transistor (MOSFET) approaches its scaling limits, many novel device structures are being extensively explored. Among them, the …

https://nanohub.org/resources/1833

Nanoscale Device Modeling: From MOSFETs to Molecules

20 Sep 2006 | Publications | Contributor(s): Prashant Subhash Damle

This thesis presents a rigorous yet practical approach to model quantum transport in nanoscale electronic devices. As convetional metal oxide semiconductor devices shrink below the one hundred …

https://nanohub.org/resources/1816

Towards Multi-Scale Modeling of Carbon Nanotube Transistors

20 Sep 2006 | Publications | Contributor(s): Jing Guo, Supriyo Datta, Mark Lundstrom, M. P. Anantram

Multiscale simulation approaches are needed in order to address scientific and technological questions in the rapidly developing field of carbon nanotube electronics. In this paper, we describe …

https://nanohub.org/resources/1818

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 …

https://nanohub.org/resources/1792

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

Quantum Transport: Atom to Transistor (Spring 2004)

23 May 2006 | Courses | Contributor(s): Supriyo Datta

The development of "nanotechnology" has made it possible to engineer materials and devices on a length scale as small as several nanometers (atomic distances are ~ 0.1 nm). The properties of such …

https://nanohub.org/resources/1490

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

Exploring New Channel Materials for Nanoscale CMOS

21 May 2006 | Publications | Contributor(s): Anisur Rahman

The improved transport properties of new channel materials, such as Ge and III-V semiconductors, along with new device designs, such as dual gate, tri gate or FinFETs, are expected to enhance the …

https://nanohub.org/resources/1315

Device Physics and Simulation of Silicon Nanowire Transistors

20 May 2006 | Publications | Contributor(s): Jing Wang

As the conventional silicon metal-oxide-semiconductor field-effect transistor (MOSFET) approaches its scaling limits, many novel device structures are being extensively explored. Among them, the …

https://nanohub.org/resources/1313

Nanowire

19 May 2006 | Tools | Contributor(s): Hong-Hyun Park, Lang Zeng, Matthew Buresh, Siqi Wang, Gerhard Klimeck, Saumitra Raj Mehrotra, Clemens Heitzinger, Benjamin P Haley

Simulate 3D nanowire transport in the effective mass approximation with phonon scattering and 3D Poisson self-consistent solution

https://nanohub.org/resources/nanowire

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

Resonant Tunneling Diodes: an Exercise

06 Jan 2006 | Teaching Materials | Contributor(s): H.-S. Philip Wong

This homework assignment was created by H.-S. Philip Wong for EE 218 "Introduction to Nanoelectronics and Nanotechnology" (Stanford University). It includes a couple of simple "warm up" exercises …

https://nanohub.org/resources/891