Journal of Computational Electronics

, Volume 13, Issue 1, pp 338–351 | Cite as

Scattering of electrons by ionized impurities in semiconductors: quantum-mechanical approach to third body exclusion

  • Dmitry Pozdnyakov


As applied to the numerical simulation of electron transport and scattering processes in semiconductors an efficient model describing the scattering of electrons by the ionized impurities is proposed. On the example of GaAs at 77 and 300 K and Si at 300 K the dependencies of low-field electron mobility on the donor impurity concentration in the semiconductors are calculated in the framework of proposed model as well as in the framework of such most frequently used applied models as the Conwel-Weisskopf model and the Brooks-Herring one. After comparing the calculation results with the well-known experimental data it has been ascertained that the best agreement between the theory and experiment is achieved with application of the proposed model.


Ionized impurity Scattering Electron mobility Monte Carlo simulation 



This work was funded by Belarusian State University within the project “Development of physico-mathematical models, algorithms and software for Monte Carlo simulation of submicron SOI MOSFETs” which is the part of Belarusian State Research Program “Electronics and Photonics”, under Grant No. 1.1.03.


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© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Faculty of Radiophysics and Computer TechnologiesBelarusian State UniversityMinskBelarus

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