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Atomistix ToolKit

Atomistix ToolKit (ATK) is a commercial software, developed by Atomistix A/S, for atomic-scale modeling and simulation of nanosystems. Atomistix ToolKit is a further development of TranSIESTA-C, which in turn in based on the technology, models, and algorithms developed in the academic codes TranSIESTA[1] and McDCal[2], employing localized basis sets as developed in SIESTA[3].

Additional recommended knowledge


Atomistix ToolKit[4] combines density functional theory with non-equilibrium Green's functions for first principles electronic structure and transport calculations of

  • electrode—nanostructure—electrode systems (two-probe systems)
  • molecules
  • periodic systems (bulk crystals and nanotubes)

The key features are

  • Calculation of transport properties of two-probe systems under an applied bias voltage
  • Calculation of energy spectra, wave functions, electron densities, atomic forces, effective potentials etc
  • Calculation of spin-polarized physical properties
  • Geometry optimization
  • A Python-based NanoLanguage scripting environment

See also

Atomistix Virtual NanoLab — a graphical user interface




  1. ^ Brandbyge, Mozos, Ordejón, Taylor, and Stokbro, "Density-functional method for non-equilibrium electron transport", Physical Review B 65, 165401 (2002).
  2. ^ Taylor, Guo, and Wang, "Ab initio modeling of quantum transport properties of molecular electronic devices", Physical Review B 63, 245407 (2001).
  3. ^ Soler, Artacho, Gale, García, Junquera, Ordejón, and Porta, "The SIESTA method for ab initio order-N materials simulation", J. Phys.:Condensed Matter 14, 2745-2778 (2002).
  4. ^
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Atomistix_ToolKit". A list of authors is available in Wikipedia.
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