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NCN Nanoelectronics: Simulation Tools for Education

Quantum Dot Lab

This resource has a 9.8 Ranking

Ranking is calculated from a formula comprised of user reviews and usage statistics. Learn more ›

Usage Stats
Overall Period: Updated 20 Nov, 2008
Users: 1640
Jobs: 15038
Avg. exec. time: 9 secs
Reviews & Citations
Google/IEEE: updated 10 Apr, 2008
Avg. Review: 5.0 out of 5 stars
Citations: 12

1640 users, detailed statistics

11 reviews (Review this)

12 citations

6 questions (Ask a question)

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This tool is closed source.

Version 1.1.4 - published on 29 Oct, 2008
Contributor(s) Gerhard Klimeck, Matteo Mannino, Michael McLennan, Wei Qiao, Xufeng Wang
Purdue University, West Lafayette
At a glance Compute the eigenstates of a particle in a box of various shapes including domes and pyramids.
Screenshots
  • Screenshot #1
  • Screenshot #2
Description Quantum dots can be produced in a variety of material systems and geometries. This simple educational tool simulates the particle in a box problem for a variety of geometries such as boxes, cylinders, pyramids, and ellipsoids. A simple single band effective mass model is employed and the simulations run interactively. 3-D visualization depicts the 3-D confined wave functions. Optical transitions are computed and sorted into dark and light lines. Absorption curves are computed for different polarizations and orientations. Parameters such as incident light angle and polarization, Fermi level, or temperature can be scanned to analyze the effect of 3-D geometries on isotropic optical properties. This tool is supported by variety of different materials:
  • A general tutorial entitled "Quantum Dots" on the origin of quantum mechanics and the interpretation of quantum dots as artificial atoms.
  • An introductory tutorial to the tool "Introduction to Quantum Dot Lab" with usage scenarios on state filling, light/dark absorption lines, and absorption coefficients.
  • An second introductory tutorial to the tool "Introduction to Quantum Dot Lab" with simple usage scenarios.
  • An homework / project assignment entitled "Homework Exercise on Quantum Dot Spectra, Absorption, and State Symmetry".
  • Powered by

    NEMO 3-D is an open source quantum dot simulation tool which contains a variety of different material and geometry models. Most of these models require significant computational power and are not appropriate for a learning module. More information on NEMO 3-D can be found on Gerhard Klimeck's web page http://dynamo.ecn.purdue.edu/~gekco/nemo3D

    Cite this work

    If you reference this work in a publication, please cite as follows:

    • "Development of a Nanoelectronic 3-D (NEMO 3-D) Simulator for
      Multimillion Atom Simulations and Its Application to Alloyed Quantum Dots"
      (INVITED), Gerhard Klimeck, Fabiano Oyafuso, Timothy B. Boykin, R. Chris
      Bowen, and Paul von Allmen, Computer Modeling in Engineering and Science
      (CMES) Volume 3, No. 5 pp 601-642 (2002).
    • Klimeck, Gerhard; Mannino, Matteo; McLennan, Michael; Qiao, Wei; Wang, Xufeng (2005), "Quantum Dot Lab," doi: 10254/nanohub-r450.6.

      BibTex | EndNote

    In addition, we would appreciate it if you would add the following acknowledgment to your publication:

    • Simulation services for results presented here were provided by the Network for Computational Nanotechnology (NCN) at nanoHUB.org

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    Citations

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    Reviews

    The following are reviews of this resource from other site members.

    Write a review

    1. 5.0 out of 5 stars 

      Posted on 28 March, 2008 by Mirko Poljak

    2. 5.0 out of 5 stars 

      Posted on 28 March, 2008 by Mirko Poljak

    3. 4.0 out of 5 stars 

      Posted on 06 August, 2007 by yang xu

    4. 5.0 out of 5 stars 

      Posted on 30 June, 2007 by Anonymous

      0   0   Login to vote Very useful

      reply | report abuse
    5. 5.0 out of 5 stars 

      Posted on 26 February, 2007 by Martin G. Smith

    6. 5.0 out of 5 stars 

      Posted on 16 February, 2007 by Anonymous

    7. 5.0 out of 5 stars 

      Posted on 19 November, 2006 by choigyumin

    8. 5.0 out of 5 stars 

      Posted on 22 April, 2006 by Sri P

      +1   0   Login to vote Some more help would be useful.. Thanks

      reply | report abuse

      Posted on 28 October, 2008 by Gerhard Klimeck

      Several tutorials on quantum dots, and the tool itself have been contributed to the nanoHUB since this comment. The latest version 1.1.3 refers to 4 concrete items that help with the usage of this tool. reply | report abuse

    9. 5.0 out of 5 stars 

      Posted on 17 February, 2006 by senthil kumar

    10. 5.0 out of 5 stars 

      Posted on 06 December, 2005 by Ali Khakifirooz

    11. 5.0 out of 5 stars 

      Posted on 19 November, 2005 by yina Wu

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