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Article Dans Une Revue Applied Physics Letters Année : 2017

Multi-excitonic emission from Stranski-Krastanov GaN/AlN quantum dots inside a nanoscale tip

Résumé

Single-dot time-resolved micro-photoluminescence spectroscopy and correlated electron tomography (ET) have been performed on self-assembled GaN/AlN quantum dots isolated within a field-emission nanoscale tip by focused ion beam (FIB). Despite the effect of the FIB, the system conserves the capability of emitting light through multi-excitonic complexes. The optical spectroscopy data have then been correlated with the electronic structure and lifetime parameters that could be extracted using the structural parameters obtained by ET via a 6 band k.p model.
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Dates et versions

hal-01766091 , version 1 (13-04-2018)

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L. Mancini, F. Moyon, Jonathan Houard, Ivan Blum, Williams Lefebvre, et al.. Multi-excitonic emission from Stranski-Krastanov GaN/AlN quantum dots inside a nanoscale tip. Applied Physics Letters, 2017, 111 (24), ⟨10.1063/1.5004417⟩. ⟨hal-01766091⟩
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