ECE 595E Lecture 10: Solving Quantum Wavefunctions

01 Feb 2013 | Online Presentations | Contributor(s): Peter Bermel

Outline: Recap from Monday Schrodinger’s equation Infinite & Finite Quantum Wells Kronig-Penney model Numerical solutions: Real space Fourier space

https://nanohub.org/resources/16653

NEGF theory of quantum photovoltaic devices

22 Sep 2011 | Notes | Contributor(s): Urs Aeberhard

Many high-efficiency photovoltaics concepts require an advanced control and manipulation of the optoelectronic properties of the active device structure, leading to a prominent role of low …

https://nanohub.org/resources/12152

Tutorial 4b: Introduction to the NEMO3D Tool - Electronic Structure and Transport in 3D

29 Mar 2011 | Online Presentations | Contributor(s): Gerhard Klimeck

Electronic Structure and Transport in 3D - Quantum Dots, Nanowires and Ultra-Thin Body Transistors

https://nanohub.org/resources/11049

Atomistic Modeling and Simulation Tools for Nanoelectronics and their Deployment on nanoHUB.org

16 Dec 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

At the nanometer scale the concepts of device and material meet and a new device is a new material and vice versa. While atomistic device representations are novel to device physicists, the …

https://nanohub.org/resources/10199

Illinois ECE 398 Lecture 6: Heterostructure Energy Bands & Quantum Wells

09 Nov 2010 | Online Presentations | Contributor(s): Kent D Choquette

[Prof. Choquette's] Photonic device research group is involved in the study of semiconductor photonic and optoelectronic device physics, fabrication technologies, and systems with a strong emphasis …

https://nanohub.org/resources/9975

Quantum Wells, Heterostructures and Superlattices

23 Jul 2010 | Teaching Materials | Contributor(s): Stephen M. Goodnick, Dragica Vasileska

this is an overview of the analysis and the application of quantum wells, heterostructures and superlattices.

https://nanohub.org/resources/9410

Nanoelectronic Modeling Lecture 25b: NEMO1D - Hole Bandstructure in Quantum Wells and Hole Transport in RTDs

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

Heterostructures such as resonant tunneling diodes, quantum well photodetectors and lasers, and cascade lasers break the symmetry of the crystalline lattice. Such break in lattice symmetry causes a …

https://nanohub.org/resources/8595

ANGEL - A Nonequilibrium Green's Function Solver for LEDs

07 Feb 2010 | Downloads | Contributor(s): sebastian steiger

Introducing ANGEL, a Nonequilibrium Green’s Function code aimed at describing LEDs. ANGEL uses a description close to the classic NEMO-1D paper (Lake et al., JAP 81, 7845 (1997)) to model quantum …

https://nanohub.org/resources/8403

Notes on Scattering and Mobility in 1D, 2D, and 3D

06 Nov 2009 | Teaching Materials | Contributor(s): Dmitri Nikonov, Md. Sayed Hasan, George Bourianoff

Derivation of the phonon-limited mobility is reviewed for electrons in bulk (3D) or quantum confined (2D and 1D) semiconductor structures. Analytical estimates are made that show the mobility in …

https://nanohub.org/resources/7737

Comparison of PCPBT Lab and Periodic Potential Lab

10 Aug 2009 | Online Presentations | Contributor(s): Abhijeet Paul, Samarth Agarwal, Gerhard Klimeck, Junzhe Geng

This small presentation provides information about the comparison performed for quantum wells made of GaAs and InAs in two different tools. This has been done to benchmark the results from completely …

https://nanohub.org/resources/7201

Band Structure Lab Demonstration: Bulk Strain

12 Jun 2009 | Animations | Contributor(s): Gerhard Klimeck

This video shows an electronic structure calculation of bulk Si using Band Structure Lab. Several powerful features of this tool are demonstrated.

https://nanohub.org/resources/6815

Thermoelectric Power Factor Calculator for Superlattices

18 Oct 2008 | Tools | Contributor(s): Terence Musho, Greg Walker

Quantum Simulation of the Seebeck Coefficient and Electrical Conductivity in 1D Superlattice Structures using Non-Equilibrium Green's Functions

https://nanohub.org/resources/slpf

Thermoelectric Power Factor Calculator for Nanocrystalline Composites

18 Oct 2008 | Tools | Contributor(s): Terence Musho, Greg Walker

Quantum Simulation of the Seebeck Coefficient and Electrical Conductivity in a 2D Nanocrystalline Composite Structure using Non-Equilibrium Green's Functions

https://nanohub.org/resources/nccpf

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

Energy Bands as a Function of the Geometry of the n-Well Potential: an Exercise

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

Explores the position and the width of the bands as a function of the 10-barrier potential parameters. NSF

https://nanohub.org/resources/4873

Bound States Calculation Description

05 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

These lectures describe the calculation of the bound states in an infinite potential well, finite potential well and triangular well approximation. At the end, shooting method, that is used to …

https://nanohub.org/resources/4876

From 1 well to 2 wells to 5 wells to periodic potentials: an Exercise

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

This exercise demonstrates that the interaction between the wells lifts the degeneracy of the quasi-bound states and if in the limit we have infinite periodic potential it leads to formation of …

https://nanohub.org/resources/4853