
Examples for QuaMC 2D particlebased device Simulator Tool
12 May 2008  Online Presentations  Contributor(s): Dragica Vasileska, Shaikh S. Ahmed, Gerhard Klimeck
We provide three examples that demonstrate the full capabilities of QuaMC 2D for alternative device technologies.
http://nanohub.org/resources/4543

Computational Nanoscience, Lecture 19: Band Structure and Some InClass Simulation: DFT for Solids
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
In this class we briefly review band structures and then spend most of our class on inclass simulations. Here we use the DFT for molecules and solids (Siesta) course toolkit. We cover a variety...
http://nanohub.org/resources/4510

Computational Nanoscience, Lecture 18.5: A Little More, and Lots of Repetition, on Solids
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
Here we go over again some of the basics that one needs to know and understand in order to carry out electronic structure, atomicscale calculations of solids.
http://nanohub.org/resources/4507

Computational Nanoscience, Lecture 16: More and Less than HartreeFock
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
In the lecture we discuss both techniques for going "beyond" HartreeFock in order to include correlation energy as well as techniques for capturing electronic structure effects while not having...
http://nanohub.org/resources/4505

Computational Nanoscience, Lecture 15: InClass Simulations: HartreeFock
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
Using a range of examples, we study the effect of basis set on convergence, the HartreeFock accuracy compared to experiment, and explore a little bit of molecular chemistry.
http://nanohub.org/resources/4503

Computational Nanoscience, Lecture 14: HartreeFock Calculations
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
A description of the HartreeFock method and practical overview of its application. This lecture is to be used in conjunction with the course toolkit, with the HartreeFock simulation module.
http://nanohub.org/resources/4498

Computational Nanoscience, Lecture 13: Introduction to Computational Quantum Mechanics
05 May 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
In this lecture we introduce the basic concepts that will be needed as we explore simulation approaches that describe the electronic structure of a system.
http://nanohub.org/resources/4491

nanoHUB.org: Future Cyberinfrastructure Serving a Community of 60,000 Today
23 Apr 2008  Online Presentations  Contributor(s): George B. Adams III, Gerhard Klimeck, Mark Lundstrom, Michael McLennan
nanoHUB.org provides users with "fingertip access" to over 70 simulation tools for research and education. Users not only launch jobs that are executed on the stateoftheart computational...
http://nanohub.org/resources/4395

UV/Vis Spectra simulator
15 Apr 2008  Tools  Contributor(s): Baudilio Tejerina
This tool computes molecular electronic spectra.
http://nanohub.org/resources/uvspec

Computational Nanoscience, Lecture 12: InClass Simulation of Ising Model
24 Mar 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
This is a two part lecture in which we discuss the spinspin correlation function for the the Ising model, correlation lengths, and critical slowing down. An inclass simulation of the 2D Ising...
http://nanohub.org/resources/4126

Computational Nanoscience, Homework Assignment 4: HardSphere Monte Carlo and Ising Model
05 Mar 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
In this assignment, you will explore the use of Monte Carlo techniques to look at (1) hardsphere systems and (2) Ising model of the ferromagneticparamagnetic phase transition in twodimensions. ...
http://nanohub.org/resources/4134

Computational Nanoscience, Lecture 10: Brief Review, Kinetic Monte Carlo, and Random Numbers
05 Mar 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
We conclude our discussion of Monte Carlo methods with a brief review of the concepts covered in the three previous lectures. Then, the Kinetic Monte Carlo method is introduced, including...
http://nanohub.org/resources/4090

Computational Nanoscience, Lecture 11: Phase Transitions and the Ising Model
05 Mar 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
In this lecture, we present an introduction to simulations of phase transitions in materials. The use of Monte Carlo methods to model phase transitions is described, and the Ising Model is given...
http://nanohub.org/resources/4122

Quantum and Semiclassical Electrostatics Simulation of SOI Trigates
04 Mar 2008  Tools  Contributor(s): HyungSeok Hahm, Andres Godoy
Generate quantum/semiclassical electrostatic simulation results for a simple Trigate structure
http://nanohub.org/resources/MCTrigate

Computational Nanoscience, Lecture 9: HardSphere Monte Carlo InClass Simulation
20 Feb 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
In this lecture we carry out simulations inclass, with guidance from the instructors. We use the HSMC tool (within the nanoHUB simulation toolkit for this course). The hard sphere system is one...
http://nanohub.org/resources/4067

Computational Nanoscience, Lecture 8: Monte Carlo Simulation Part II
15 Feb 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
In this lecture, we continue our discussion of Monte Carlo simulation. Examples from Hard Sphere Monte Carlo simulations based on the Metropolis algorithm and from Grand Canonical Monte Carlo...
http://nanohub.org/resources/4056

Computational Nanoscience, Homework Assignment 3: Molecular Dynamics Simulation of Carbon Nanotubes
15 Feb 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
The purpose of this assignment is to perform molecular dynamics simulations to calculate various properties of carbon nanotubes using LAMMPS and Tersoff potentials.
This assignment is to be...
http://nanohub.org/resources/4054

Computational Nanoscience, Homework Assignment 2: Molecular Dynamics Simulation of a LennardJones Liquid
15 Feb 2008  Teaching Materials  Contributor(s): Elif Ertekin, Jeffrey C Grossman
The purpose of this assignment is to perform a full molecular dynamics simulation based on the Verlet algorithm to calculate various properties of a simple liquid, modeled as an ensemble of...
http://nanohub.org/resources/4052

Computational Nanoscience, Lecture 1: Introduction to Computational Nanoscience
15 Feb 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
In this lecture, we present a historical overview of computational science. We describe modeling and simulation as forms of "theoretical experiments" and "experimental theory". We also discuss...
http://nanohub.org/resources/4045

Computational Nanoscience, Lecture 6: Pair Distribution Function and More on Potentials
15 Feb 2008  Teaching Materials  Contributor(s): Jeffrey C Grossman, Elif Ertekin
In this lecture we remind ourselves what a pair distribution function is, how to compute it, and why it is so important in simulations. Then, we revisit potentials and go into more detail...
http://nanohub.org/resources/4039