Comparative study of exciton?phonon interactions in GaAs/Al0.3Ga0.7As quantum dots grown by droplet epitaxy

Authors
Yeo, InahAhn, Sun HongBae, Seo KyungKim, JunhoiKim, Jong SuSong, Jin Dong
Issue Date
2024-10
Publisher
SPRINGER
Citation
Journal of Materials Science: Materials in Electronics, v.35, no.28
Abstract
We investigated exciton-phonon interactions in three types of GaAs/Al0.3Ga0.7As quantum dots (QDs grown by droplet epitaxy. Comparative optical studies were conducted on QDs of similar species, grown under identical conditions, and on various other QD types. Multioscillator models were employed to analyze the phonon coupling channels in various QD species, with a focus on the influence of capping time on high-energy phonon channels. The findings were found to be consistent with those of previous atomic-scale structural analyses. Engineering exciton-phonon interactions offers a viable approach for implementing QD-based devices in optoelectronics, thermoelectrics, and information-processing applications.
Keywords
TEMPERATURE-DEPENDENCE
ISSN
0957-4522
URI
https://pubs.kist.re.kr/handle/201004/150994
DOI
10.1007/s10854-024-13653-7
Appears in Collections:
KIST Article > 2024
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