Strong Electric Polarizability of Cone-Shell Quantum Structures for a Large Stark Shift, Tunable Long Exciton Lifetimes, and a Dot-to-Ring Transformation.
Stark shift
droplet etching
effective mass approximation
exciton lifetime
photoluminescence
quantum dot
quantum ring
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
25 Feb 2023
25 Feb 2023
Historique:
received:
30
01
2023
revised:
21
02
2023
accepted:
23
02
2023
entrez:
11
3
2023
pubmed:
12
3
2023
medline:
12
3
2023
Statut:
epublish
Résumé
Strain-free GaAs cone-shell quantum structures (CSQS) with widely tunable wave functions (WF) are fabricated using local droplet etching (LDE) during molecular beam epitaxy (MBE). During MBE, Al droplets are deposited on an AlGaAs surface, which then drill low-density (about 1 × 107 cm
Identifiants
pubmed: 36903737
pii: nano13050857
doi: 10.3390/nano13050857
pmc: PMC10004794
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Deutsche Forschungsgemeinschaft
ID : HE 2466/2-1
Organisme : European Union's Horizon 2020
ID : Marie Skłodowska-Curie grant agreement No 721394
Organisme : Federal Ministry of Education and Research
ID : ForLab Helios
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