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Temperature features of electrical resistivity of two-dimensional electrons in scattering by a correlated distribution of impurity ions in doped thin layers

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Abstract

Spatial correlations of impurity ions in doped thin layers at finite temperatures have been considered in the model of hard spheres on a plane. It has been shown that, in systems with separate doping, the correlations in the arrangement of impurity ions are weakened by thermal motion of electrons at sufficiently low temperatures (below the liquid-helium temperature). The temperature dependences of the electrical resistivity of degenerate two-dimensional electrons in heterostructures with separate doping have been investigated using the Al x Ga1 − x As/GaAs heterostructure as an example.

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Correspondence to V. M. Mikheev.

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Original Russian Text © V.M. Mikheev, 2011, published in Fizika Tverdogo Tela, 2011, Vol. 53, No. 11, pp. 2102–2110.

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Mikheev, V.M. Temperature features of electrical resistivity of two-dimensional electrons in scattering by a correlated distribution of impurity ions in doped thin layers. Phys. Solid State 53, 2210–2219 (2011). https://doi.org/10.1134/S1063783411110187

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  • DOI: https://doi.org/10.1134/S1063783411110187

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