Importance of the dielectric contrast for the polarization of excitonic transitions in single GaN nanowires

Importance of the dielectric contrast for the polarization of excitonic transitions in single GaN nanowires

We investigate the polarization of excitonic transitions of single dispersed GaN nanowires with a diameter of about 50 nm. We observe donor-bound exciton transitions with a linewidth narrower than 250 μ eV at 10 K, whereas the luminescence from free excitons exhibits a width of up to 5 meV. This bro...

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Bibliographic Details
Main Authors: Pierre Corfdir, Felix Feix, Johannes K Zettler, Sergio Fernández-Garrido, Oliver Brandt
Format: Article
Language:English
Published: IOP Publishing 2015-01-01
Series:New Journal of Physics
Subjects:
GaN nanowires
photoluminescence
exciton
polarization
Online Access:https://doi.org/10.1088/1367-2630/17/3/033040

Internet

https://doi.org/10.1088/1367-2630/17/3/033040

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