
OnlineSimulation tutorial and assignment: electronic structure and spin of the O atom
21 Feb 2015  Contributor(s): Alejandro Strachan
In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study the electronic structure of the oxygen atom. The tutorial shows how to compute energy for the spin 1 (triplet) and spin 0 (singlet) states and analyze the exchange...

OnlineSimulation tutorial and assignment: electronic structure and spin in O2 molecule
21 Feb 2015  Contributor(s): Alejandro Strachan
In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study the electronic structure and bonding in the O2 molecular. The tutorial shows how to predict the relaxed bond distance in O2 (i.e. minimum energy structure) both for...

OnlineSimulation tutorial and assignment: bonding curves in H2 and He2 molecules
21 Feb 2015  Contributor(s): Alejandro Strachan
In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study bonding in two simple molecules: H2 and He2. The tutorial shows how to compute energy as a function of bond distance and extract the equilibrium bond distance and bond...

nanoHUB Materials Simulation Homework: Engineering the Yield Stress of a Material
26 Feb 2015  Teaching Materials  Contributor(s): Marisol Koslowski, Tanya Faltens
This homework assignment uses the nanoplasticity lab simulation tool to enable students to explore how grain size and the competing plastic deformation mechanisms of dislocation motion and grain boundary sliding affect the yield stress of a sample. Students create conditions that lead to...

Homework assignment: learning about elastic constants via molecular dynamics simulations
11 Mar 2015  Teaching Materials  Contributor(s): Alejandro Strachan, David Ray Johnson
In this homework assignment students will use molecular dynamics to compute the elastic constants of metals using an embedded atom model to describe atomic interactions. They will deform a single crystal along different directions and obtain c11, c12 and c44 elastic constants from the...

Nanotechnology Research at NIOSH
23 Feb 2015  Online Presentations  Contributor(s): Chuck L Geraci
The mission of the NIOSH is to generate new knowledge in the field of occupational safety and health and to transfer that knowledge into practice for the betterment of workers. To accomplish this mission, NIOSH conducts scientific research, develops guidance and authoritative recommendations,...

PtD: Prevention through Design
23 Feb 2015  Online Presentations  Contributor(s): Jonathan A. Bach
At the heart of the program is reality that following PtD principles will allow engineers, architects, and process designers to design out the sources of workplace injury and illness.

A Graphene nanoribbon Feldeffect transistor Modeling
11 Feb 2015  Downloads  Contributor(s): Mohamed Zakarya Rashed
We present an analytical device model for a fieldeffect transistor based on a heterostructure which consists of an array of nanoribbons clad between the highly conducting substrate (the back gate) and the top gate controlling the sourcedrain current. The equations of the model of a graphene...

Introduction to nanoHUB Project for ENGR 132
10 Feb 2015  Online Presentations  Contributor(s): Krishna Madhavan
This presentation introduces ENGR 132 students to nanoHUB. It also lays out the basic requirements for the ENGR 132 project (Spring 2015). The presentation includes a basic explanation of what a mathematical model is and its connection to a simulation.

NSAC Fall 2014 Report
09 Feb 2015  Papers  Contributor(s): nsac nsac

NSAC Meeting Minutes January 29
07 Feb 2015  Papers  Contributor(s): nsac nsac
Meeting minutes from 1st NSAC meeting in Spring 2015.

Quantum Workshop III: LED Circuit and Device Physics
07 Feb 2015  Teaching Materials  Contributor(s): Stella Quinones
A handson learning exercise used to illustrate the device physics of a light emitting diode (LED) in a simple resistor circuit. Students explore the photon energy of four LEDs, compare the voltage drop (or forward bias) across the LED, and explain the behavior of the LED under...

The R3 Model: Homework Solutions
07 Feb 2015  Online Presentations  Contributor(s): Colin McAndrew

Spaser in Quantum Regime
12 Feb 2015  Online Presentations  Contributor(s): Mark I Stockman
The spaser have been introduced theoretically and discovered experimentally. We briefly consider quantum theory and latest results on spaser as an ultrafast quantum generator and amplifier of nanoplasmonic fields, ultrabright nanolabel, and highlyefficient nanosensor. We present latest original...

The R3 Model: VerilogA Code (A Look at the Code)
02 Feb 2015  Online Presentations  Contributor(s): Colin McAndrew
This talk presents a quick runthrough look at the VerilogA code for the R3 transistor model.

The R3 Model: Homework
02 Feb 2015  Online Presentations  Contributor(s): Colin McAndrew

Structure and Morphology of SiliconGermanium Thin Films
07 Feb 2015  Presentation Materials  Contributor(s): Brian Demczyk
This presentation describes the growth of (Si,Ge & SiGe) thin films on Si and Ge (001) and (111) substrates by ultrahigh vacuum chemical vapor deposition (UHVCVD). Thin films were characterized structurally by conventional and highresolution transmission electron microscopy (TEM) and...

Quantum Workshop II: Energy Band Model and Doping
31 Jan 2015  Teaching Materials  Contributor(s): Stella Quinones
This exercise uses several nanoHUB tools associated with fundamental semiconductor device knowledge, such as the Effect of Doping on Semiconductors, Semiconductor Doping, and Carrier Concentration tools. Students are asked to compare bond models with energy band models, examine...

Quantum Workshop I: Two Slit Experiment
31 Jan 2015  Teaching Materials  Contributor(s): Stella Quinones
Exercise using the "ParticleWave Duality: an Animation" on nanoHUB as an introduction to an undergraduate quantum mechanics course. A series of questions allow students to analyze what is happening in the 2slit experiment and to make conclusions about the behavior...

The R3 Model: VerilogA Code
28 Jan 2015  Online Presentations  Contributor(s): Colin McAndrew
This talk presents an in depth look at the VerilogA code for the R3 transistor model. It also includes some general guidelines for writing compact models.