Ballistic Nanotransistors

07 Dec 2005 | Learning Modules | Contributor(s): Mark Lundstrom

This learning module is an introduction to the theory ballistic nanotransistors. No transistor is fully ballistic, but analyzing nanotransistors by neglecting scattering processes provides new insights into the performance and limits of nanoscale MOSFETs. This learning module introduces the …

Introduction to the CENEMS Simulation Tool

10 Apr 2006 | Learning Modules | Contributor(s): Gang Li, Narayan Aluru

This learning module is an introduction to the CENEMS simulation tool. Nanoelectromechanical systems (NEMS) often contains multiple nanoscale conductors. CENEMS is a user-friendly 2-D classical electrostatic analysis tool that computes the charge density distribution on the surface of the …

Introduction to VEDA: Virtual Environment for Dynamic AFM

26 Sep 2007 | Learning Modules | Contributor(s): Arvind Raman

This learning module describes the motivation, theory, and features of VEDA- a Virtual Environment for Dynamic Atomic Force Microscopy for the accurate simulation of dynamic AFM on organic and inorganic surfaces. Following the motivation and theory, two specific examples are illustrated, …

Introduction to Quantum Dot Lab

02 Jul 2007 | Learning Modules | Contributor(s): james k fodor, Jing Guo

This learning module introduces nanoHUB users to the Quantum Dot Lab simulator. A brief introduction to Quantum Dot Lab is presented, followed by voiced presentations featuring the simulator in action. Upon completion of this module, users should be able to use this simulator to gain valuable …

PN Junction Theory and Modeling

14 Sep 2005 | Learning Modules | Contributor(s): Dragica Vasileska

Learn the basics of PN junction theory. Analyze step junctions and linearly-graded junctions both analytically and numerically. See how the depletion region gives rise to a built-in voltage, and also affects the capacitance under AC analysis. Study DC current-voltage characteristics, including …

Introduction to Carbon Nanotube Electronics

12 Oct 2005 | Learning Modules | Contributor(s): Susan Sinnott

Carbon nanotubes (CNT) have interesting, structure-dependent electronic properties. In particular, CNTs can be a metallic or semiconducting depending on the way in which the carbon atoms are arranged in the CNT walls. The purpose of this learning module is to familiarize students with the basic …

Add Rappture to Your Software Development

01 Nov 2005 | Learning Modules | Contributor(s): Michael McLennan

Rappture is the Rapid APPlication infrastrucTURE, a toolkit that you can use to accelerate the development of scientific simulation tools. Scientists developing a code are often led astray by all of the elements surrounding their code. They end up developing their own command language for input, …

Modeling Single and Dual-Gate Capacitors using SCHRED

31 Mar 2006 | Learning Modules | Contributor(s): Dragica Vasileska

SCHRED stands for self-consistent solver of the 1D Poisson and 1D effective mass Schrodinger equation as applied to modeling single gate or dual-gate capacitors. The program incorporates many features such as choice of degenerate and non-degenerate statistics for semiclassical charge description, …

Contributing Learning Modules to the nanoHUB

09 Jan 2006 | Learning Modules

The goal of this learning module is to help you get started in the process of contributing learning modules to the nanoHUB. This module provides you an overview of what learning modules are, what components make up learning modules, and a quick guide to get started. A checklist is also provided at …

Introduction to Nanofluidics

26 May 2005 | Learning Modules | Contributor(s): Susan Sinnott

The purpose of this learning module is to introduce students to some fundamental concepts in Nanofluidics. The module includes a pretest (without keys), a presentation, reading materials on Nanofluidics, links to the REBO simulation tool on the nanoHUB along with necessary instructions for running …