Tunneling Through Triangular Barrier: an Exercise for PCPBT

23 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

This exercise teaches the users that a very good result can be obtained when the triangular barrier is approximated with 11 segment piece-wise constant potential barrier steps. …

https://nanohub.org/resources/5102

ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors

16 Jul 2008 | Tools | Contributor(s): Xufeng Wang, Dragica Vasileska, Gerhard Klimeck

One-stop-shop for teaching semiconductor device education

https://nanohub.org/resources/abacus

Additional Tutorials on Selected Topics in Nanotechnology

23 Mar 2011 | Workshops | Contributor(s): Gerhard Klimeck, Umesh V. Waghmare, Timothy S Fisher, N. S. Vidhyadhiraja

Select tutorials in nanotechnology, a part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up.

https://nanohub.org/resources/11041

Application of the Keldysh Formalism to Quantum Device Modeling and Analysis

14 Jan 2008 | Publications | Contributor(s): Roger Lake

The effect of inelastic scattering on quantum electron transport through layered semi-conductor structures is studied numerically using the approach based on the non-equilibrium Green's function …

https://nanohub.org/resources/3833

AQME - Advancing Quantum Mechanics for Engineers

12 Aug 2008 | Tools | Contributor(s): Gerhard Klimeck, Xufeng Wang, Dragica Vasileska

One-stop-shop for teaching quantum mechanics for engineers

https://nanohub.org/resources/aqme

Assembly for Nanotechnology Survey Courses

05 Nov 2008 | Tools | Contributor(s): Gerhard Klimeck, Dragica Vasileska

Educational Tools for Classroom and Homework use to introduce nanotechnology concepts

https://nanohub.org/resources/antsy

Computational Nanoscience, Lecture 26: Life Beyond DFT -- Computational Methods for Electron Correlations, Excitations, and Tunneling Transport

16 May 2008 | Teaching Materials | Contributor(s): Jeffrey B. Neaton

In this lecture, we provide a brief introduction to "beyond DFT" methods for studying excited state properties, optical properties, and transport properties. We discuss how the GW approximation to …

https://nanohub.org/resources/4574

Electron-Phonon and Electron-Electron Interactions in Quantum Transport

14 Jan 2008 | Publications | Contributor(s): Gerhard Klimeck

The objective of this work is to shed light on electron transport through sub-micron semi-conductor structures, where electronic state quantization, electron-electron interactions and electron-phonon …

https://nanohub.org/resources/3831

Energies and Lifetimes with Complex-Scaling

02 Apr 2012 | Tools | Contributor(s): Daniel Lee Whitenack, Adam Wasserman

Calculate the resonance energies and lifetimes of a user-defined potential with a uniform complex-scaling transformation.

https://nanohub.org/resources/cscale

Finite Height Quantum Well: an Exercise for Band Structure

31 Jan 2008 | Teaching Materials | Contributor(s): David K. Ferry

Use the Resonant Tunneling Diodes simulation tool on nanoHUB to explore the effects of finite height quantum wells. Looking at a 2 barrier device, 300 K, no bias, other standard variables, and 3 nm …

https://nanohub.org/resources/3949

First Principles Non-Equilibrium Green's Function Modeling of Vacum and Oxide Barrier Tunneling

01 Dec 2008 | Publications | Contributor(s): Kirk H. Bevan

Vacuum and oxide barrier electron tunneling phenomena have been studied at length for several decades. Yet with electron device barrier widths now commonly measured in atomic units, complex quantum …

https://nanohub.org/resources/5957

Illinois ECE 598EP Lecture 12 - Hot Chips: Boundary Resistance and Thermometry

10 Jul 2009 | Online Presentations | Contributor(s): Eric Pop, Omar N Sobh

Boundary Resistance and Thermometry Topics: Summary of Boundary Resistance Acoustic vs. Diffuse Mismatch Model Band to Band Tunneling Conduction Thermionic and Field Emission(3D) Photon …

https://nanohub.org/resources/7115

K-12: Introduction to Quantum Wells

24 Nov 2008 | Teaching Materials | Contributor(s): David Beck, Mark M Budnik

A lesson plan for a 20-30 minute exercise for 4th and 5th grade Gifted and Talented students to explore the concept of quantum wells. The objectives of the lesson are: * The students will be able …

https://nanohub.org/resources/5925

Lecture 3A: Spin Transport

20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

Objective: To extend the model from Lectures 1 and 2 to include electron spin. Every electron is an elementary “magnet” with two states having opposite magnetic moments. Usually this has no major …

https://nanohub.org/resources/5269

Lecture 3B: Spin Transport

20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

Objective: To extend the model from Lectures 1 and 2 to include electron spin. Every electron is an elementary “magnet” with two states having opposite magnetic moments. Usually this has no major …

https://nanohub.org/resources/5270

Lecture 6: Graphene PN Junctions

22 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom

Outline: Introduction Electron optics in graphene Transmission across NP junctions Conductance of PN and NN junctions Discussion Summary Network for Computational Nanotechnology, Intel …

https://nanohub.org/resources/7423

ME 597 Lecture 1: Review of Quantum Tunneling/Introduction to STM

01 Sep 2010 | Online Presentations | Contributor(s): Ron Reifenberger

Topics: Quantum Tunneling The STM – basic idea Recommended Reading: See References below. G. Binnig, H. Rohrer, Ch. Gerber, E. Weibel, “Tunneling through a controllable vacuum …

https://nanohub.org/resources/9600

ME 597 Lecture 3: Quantum Tunneling/The STM

08 Oct 2009 | Online Presentations | Contributor(s): Ron Reifenberger

Topics: Quantum Tunneling The STM – basic idea Recommended Reading: See References below. G. Binnig, H. Rohrer, Ch. Gerber, E. Weibel, “Tunneling through a controllable vacuum …

https://nanohub.org/resources/7563

Nanoelectronic Modeling Lecture 12: Open 1D Systems - Transmission through Double Barrier Structures - Resonant Tunneling

27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Dragica Vasileska

This presentation shows that double barrier structures can show unity transmission for energies BELOW the barrier height, resulting in resonant tunneling. The resonance can be associated with a …

https://nanohub.org/resources/8195

Nanoelectronic Modeling Lecture 26: NEMO1D -

09 Mar 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

NEMO1D demonstrated the first industrial strength implementation of NEGF into a simulator that quantitatively simulated resonant tunneling diodes. The development of efficient algorithms that …

https://nanohub.org/resources/8596