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Journal Articles Nano Letters Year : 2019

Trapping Dipolar Exciton Fluids in GaN/(AlGa)N Nanostructures

Abstract

Dipolar excitons offer a rich playground for both design of novel optoelectronic devices and fundamental many-body physics. Wide GaN/(AlGa)N quantum wells host a new and promising realization of dipolar excitons. We demonstrate the in-plane confinement and cooling of these excitons, when trapped in the electrostatic potential created by semitransparent electrodes of various shapes deposited on the sample surface. This result is a prerequisite for the electrical control of the exciton densities and fluxes, as well for studies of the complex phase diagram of these dipolar bosons at low temperature.
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Dates and versions

hal-02272702 , version 1 (11-12-2020)

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François Chiaruttini, Thierry Guillet, Christelle Brimont, Benoit Jouault, Pierre Lefebvre, et al.. Trapping Dipolar Exciton Fluids in GaN/(AlGa)N Nanostructures. Nano Letters, 2019, 19 (8), pp.4911-4918. ⟨10.1021/acs.nanolett.9b00914⟩. ⟨hal-02272702⟩
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