Quantum Dot Lab

Compute the eigenstates of a particle in a box of various shapes including domes and pyramids.

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Archive Version 1.1.3
Published on 28 Oct 2008, unpublished on 29 Oct 2008
Latest version: 3.2.2. All versions

doi:10.4231/D3KP7TQ9N cite this

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Abstract

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 a tutorial lecture and a set of homework and project exercises.

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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

Researchers should cite this work 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).
  • Gerhard Klimeck, Matteo Mannino, Michael McLennan, wei qiao, Xufeng Wang (2024), "Quantum Dot Lab," https://nanohub.org/resources/qdot. (DOI: 10.4231/D3KP7TQ9N).

    BibTex | EndNote

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