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What is a Quantum Dot?


Foundation :: Electronic Structures :: NEMO 3D

NEMO 3D

3D Nanoelectronic Modeling - release Oct 2003 - newer release found on nanoHUB.org

NEMO 3D Logo Moderators:
Gerhard Klimck
Total downloads from Open Channel to date: 224
source code available SOURCE CODE AVAILABLE

This software package here is an outdated version that was released in October 2003. The latest source code is being released under the same license terms at the nanoHUB.org NEMO 3-D source release group.

The prime developer and moderator of this group has moved to Purdue University in december 2003 and created a research group dedicated to nanoelectronic modeling and he is the Associate Director for Technology of nanoHUB.org where thousands of users launch hundreds of thousands nanotechnology oriented simulations annually. NEMO 3-D powers the Quantum Dot Lab and has been used by at least 1,600 users interactively without any software installation. The latest source code is being released under the same license terms at the nanoHUB.org NEMO 3-D source release group.

NEMO 3D is a quantum mechanical based simulation tool created to provide quantitative predictions for nanometer scaled semiconductor devices. We are presently working on a prototype of a 3-D quantum device simulator. Our agenda is to create a simulation tool that can be used for the analysis of the electronic structure of any crystalline semiconducting nanoelectronic structure. Our first target is the simulation of optical properties in quantum dots. Quantum Dots reach beyond the SIA Roadmap, and may have significant impacts on NASA future missions.

NEMO 3D agenda

We are using the empirical tight binding method based on atomic orbitals to model the basic electronics in semiconductors. This method lends itself nicely to model the bandstructure of arbitrary crystal structures and atomic compositions found in semiconducting materials. Within these structures we can compute nanoscale quantum states that develop due to electronic confinement. Such confined states can be utilized for the optical sensors, memory and logic, as well as alternative computing concepts as quantum cellular automata. The electronic device concepts are typically based on tunneling or resonant tunneling effects.

This project was partially funded by the revolutionary computing technology project under CISM.


Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Caltech/Jet Propulsion Laboratory
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