Objective
The transport phenomena in two-dimensional electron gas (2DEG) under conditions of Landau quantization of the orbital motion and related to the quantum Hall effect are now the field of very intensive scientific activity. Much less investigated but also very interesting are quantum effects connected with the magnetic field influence on the spin of two-dimensional electrons. The purpose of the project consists in theoretical and experimental investigation of some of these phenomena in quantum heterostructures InGaAs/InP containing a random potential caused by fluctuations of heterointerface.
The following phenomena will be investigated: a) additional effective spin-orbit interaction caused by the broadening of spin sublevels; b) nuclear spin relaxation caused by hyperfine interactions in inhomogeneous 2DEG; c) spin pinning of Wigner crystall by magnetic impurities.
The quantum heterostructures InGaAs/InP containing rare-earth impurities will be fabricated in the Ioffe Physical-Technical Institute (Russia). The Laboratory of Low Temperatures CNRS (France) together with the Ioffe Institute provides galvanomagnetic measurements in the high fields up to 23 Tesla and processing of the experimental data. The theoretical part of the problem is provided by the specialists from the Landau Institute of Theoretical Physics (Russia) and the High Magnetic Field Laboratory, Max Planck Institute (Germany).
The results of investigations will have a basic character and are to be presented in joint publications and reports at international conferences.
Fields of science (EuroSciVoc)
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Programme(s)
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Coordinator
38042 Grenoble
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.