Modeling of semiconductor nanostructures with nextnano3

S. Birner, S. Hackenbuchner, M. Sabathil, G. Zandler, J. A. Majewski, T. Andlauer, T. Zibold, R. Morschl, A. Trellakis, P. Vogl

Research output: Contribution to journalArticlepeer-review

141 Scopus citations


Nextnano3 is a simulation tool that aims at providing global insight into the basic physical properties of realistic three-dimensional mesoscopic semi-conductor structures. It focuses on quantum mechanical properties such as the global electronic structure, optical properties, and the effects of electric and magnetic fields for virtually any geometry and combination of semi-conducting materials. For the calculation of the carrier dynamics a drift-diffusion model based on a quantum-mechanically calculated density is employed. In this paper we present an overview of the capabilities of nextnano3 and discuss some of the main equations that are implemented into the code. As examples, we first discuss the strain tensor components and the piezoelectric effect associated with a compressively strained InAs layer for different growth directions, secondly, we calculate self-consistently the quantum mechanical electron density of a Double Gate MOSFET, then we compare the intersubband transitions in a multi-quantum well structure that have been obtained with a single-band effective mass approach and with an 8-band k · p model, and finally, we calculate the energy spectrum of a structure in a uniform magnetic field.

Original languageEnglish
Pages (from-to)111-124
Number of pages14
JournalActa Physica Polonica A
Issue number2
StatePublished - Aug 2006


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