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Band Structure Lab

By Mathieu Luisier1, raseong kim1, Neophytos Neophytou2, Michael McLennan1, Anisur Rahman1, Gerhard Klimeck1, Mark Lundstrom1

1. Purdue University 2. Technical University of Vienna

Computes the electronic structure of various materials in the spatial configuration of bulk (infinitely periodic), quantum wells (confined in one dimension, infinitely periodic in 2 dimensions), and wires (confined in 2 dimensions and infinitely...

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Archive Version 2.0
Published on 05 Sep 2008, unpublished on 09 Sep 2008
Latest version: 3.1.5. All versions

doi:10.4231/D3222R55Z cite this

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Abstract

Bandstructure Lab uses the sp3s*d5 tight binding method to compute E(k) for bulk, planar, and nanowire semiconductors. Using this tool, you can quickly compute and visualize the bandstructures of bulk semiconductors, thin films, and nanowires for various materials, growth orientations, and strain conditions. Physical parameters such as the bandgap and effective mass can also be obtained from the computed E(k). The bandedges and effective masses of the bulk materials and the nanostructures structures can be analyzed as a function of various strain conditions. As explained in a related seminar, correct band structure is essential for modeling devices at the nano scale.

Chapter 5 of Quantum Transport by S. Datta (Cambridge, 2005)

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