We resolve the characteristic emission features of excitons in a single GaAs quantum wire using near-field photoluminescence spectroscopy. We report emission from both localized excitons and quasi-one-dimensional excitons that are delocalized over a length of up to several /spl mu/m.
Near-field imaging and spectroscopy of localized and delocalized excitons in semiconductor nanostructures
01.01.2001
169649 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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