A Gentle Introduction to Nanotechnology and Nanoscience

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

While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement involved …

https://nanohub.org/resources/1021

A Primer on Scanning Tunneling Microscopy (STM)

04 Apr 2006 | Online Presentations | Contributor(s): Ron Reifenberger

Scanning Probe Microscopes and their remarkable ability to provide three-dimensional maps of surfaces at the nanometer length scale have arguably been the most important tool in establishing the …

https://nanohub.org/resources/1185

A Primer on Semiconductor Device Simulation

23 Jan 2006 | Online Presentations | Contributor(s): Mark Lundstrom

Computer simulation is now an essential tool for the research and development of semiconductor processes and devices, but to use a simulation tool intelligently, one must know what's "under the …

https://nanohub.org/resources/980

An Overview of Virtualization Techniques

03 Feb 2006 | Online Presentations | Contributor(s): Renato Figueiredo

This presentation presents an introduction to resource virtualization techniques, which are one of the foundations of the infrastructure for online simulation provided by the nanoHUB.

https://nanohub.org/resources/1009

Atomic Force Microscopy

01 Dec 2005 | Online Presentations | Contributor(s): Arvind Raman

Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the …

https://nanohub.org/resources/520

Atomistic Alloy Disorder in Nanostructures

26 Feb 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and …

https://nanohub.org/resources/2350

EDA Challenges in Nanoscale Design: A Synopsys Perspective

11 Apr 2006 | Online Presentations | Contributor(s): Rich Goldman

Rich Goldman gives an overview of the current state of the semiconductor and EDA (Electronic Design Automation) industry with a special focus on the impact of nanometer scale design on design tools …

https://nanohub.org/resources/1220

Electron and Ion Microscopies as Characterization Tools for Nanoscience and Nanotechnology

27 Feb 2006 | Online Presentations | Contributor(s): Eric Stach

This tutorial presents a broad overview of the basic physical principles of techniques used in scanning electron microscopy (SEM), as well as their application to understanding …

https://nanohub.org/resources/1097

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

First Principles-based Atomistic and Mesoscale Modeling of Materials

01 Dec 2005 | Online Presentations | Contributor(s): Alejandro Strachan

This tutorial will describe some of the most powerful and widely used techniques for materials modeling including i) first principles quantum mechanics (QM), ii) large-scale molecular dynamics (MD) …

https://nanohub.org/resources/434

First Principles-Based Modeling of materials: Towards Computational Materials Design

20 Apr 2006 | Online Presentations | Contributor(s): Alejandro Strachan

Molecular dynamics (MD) simulations with accurate, first principles-based interatomic potentials is a powerful tool to uncover and characterize the molecular-level mechanisms that govern the …

https://nanohub.org/resources/1239

Mechanical Properties of Surfactant Aggregates at Water-Solid Interfaces

05 Apr 2006 | Online Presentations | Contributor(s): Patrick Chiu, Kunal Shah, Susan Sinnott

This is a talk on the mechanical properties of surfactant aggregates at water-solid interfaces using Micelle-MD. This includes silica indentations of micelles with comparison to experimental …

https://nanohub.org/resources/1192

Molecular Dynamics Simulations with the Second-Generation Reactive Empirical Bond Order (REBO) Potential

02 Apr 2006 | Online Presentations | Contributor(s): Wen-Dung Hsu, Susan Sinnott

In this presentation, the molecular dynamics (MD) simulation will be introduced first. The applications of MD simulation, the procedure of MD simulation and some speed-up methods in MD simulation …

https://nanohub.org/resources/1165

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

Nano-Scale Device Simulations Using PROPHET

20 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

These two lectures are aimed to give a practical guide to the use of a general device simulator (PROPHET) available on nanoHUB. PROPHET is a partial differential equation (PDE) solver that offers …

https://nanohub.org/resources/973

Nano-Scale Device Simulations Using PROPHET-Part II: PDE Systems

20 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

Part II uses examples to illustrate how to build user-defined PDE systems in PROPHET.

https://nanohub.org/resources/975

On the Reliability of Micro-Electronic Devices: An Introductory Lecture on Negative Bias Temperature Instability

28 Sep 2005 | Online Presentations | Contributor(s): Muhammad A. Alam

In 1930s Bell Labs scientists chose to focus on Siand Ge, rather than better known semiconductors like Ag2S and Cu2S, mostly because of their reliable performance. Their choice was rewarded with the …

https://nanohub.org/resources/193

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

Quantum Dots

21 Jul 2005 | Online Presentations | Contributor(s): Gerhard Klimeck

Quantum Dots are man-made artificial atoms that confine electrons to a small space. As such, they have atomic-like behavior and enable the study of quantum mechanical effects on a length scale that …

https://nanohub.org/resources/189

Scientific Software Development

29 Jun 2005 | Online Presentations | Contributor(s): Clemens Heitzinger

The development of efficient scientific simulation codes poses a wide range of problems. How can we reduce the time spent in developing and debugging codes while still arriving at efficient …

https://nanohub.org/resources/1041