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

François Chiaruttini | Zendy; T. Guillet | Zendy; Christelle Brimont | Zendy; B. Jouault | Zendy; Pierre Lefèbvre | Zendy; Jessica Vives | Zendy; Sébastien Chenot | Zendy; Y. Cordier | Zendy; B. Damilano | Zendy; M. Vladimirova | Zendy

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

Author(s) -

François Chiaruttini,

T. Guillet,

Christelle Brimont,

B. Jouault,

Pierre Lefèbvre,

Jessica Vives,

Sébastien Chenot,

Y. Cordier,

B. Damilano,

M. Vladimirova

Publication year - 2019

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/acs.nanolett.9b00914

Subject(s) - exciton , dipole , biexciton , materials science , condensed matter physics , nanostructure , quantum dot , trapping , phase diagram , chemical physics , boson , quantum well , optoelectronics , nanotechnology , physics , phase (matter) , optics , quantum mechanics , laser , ecology , biology

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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