Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange
Publication type: Journal Article
Publication date: 2020-11-10
scimago Q1
wos Q1
SJR: 2.967
CiteScore: 14.9
Impact factor: 9.1
ISSN: 15306984, 15306992
PubMed ID:
33170719
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
We study the exciton fine structure in quantum dots of multivalley lead chalcogenides. We demonstrate that intervalley electron-hole exchange interaction, ignored in previous studies, dramatically modifies the exciton fine structure and leads to appearance of the ultrabright valley-symmetric spin-triplet exciton state dominating interband optical absorption. Valley mixing leads to brightening of other symmetry-allowed spin-triplet states which dominate low-temperature photoluminescence.
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12
Total citations:
12
Citations from 2024:
3
(25%)
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GOST
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Avdeev I. D. et al. Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange // Nano Letters. 2020. Vol. 20. No. 12. pp. 8897-8902.
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Avdeev I. D., Nestoklon M. O., Goupalov S. Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange // Nano Letters. 2020. Vol. 20. No. 12. pp. 8897-8902.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.nanolett.0c03937
UR - https://doi.org/10.1021/acs.nanolett.0c03937
TI - Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange
T2 - Nano Letters
AU - Avdeev, I. D.
AU - Nestoklon, M. O.
AU - Goupalov, Serguei
PY - 2020
DA - 2020/11/10
PB - American Chemical Society (ACS)
SP - 8897-8902
IS - 12
VL - 20
PMID - 33170719
SN - 1530-6984
SN - 1530-6992
ER -
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BibTex (up to 50 authors)
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@article{2020_Avdeev,
author = {I. D. Avdeev and M. O. Nestoklon and Serguei Goupalov},
title = {Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange},
journal = {Nano Letters},
year = {2020},
volume = {20},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acs.nanolett.0c03937},
number = {12},
pages = {8897--8902},
doi = {10.1021/acs.nanolett.0c03937}
}
Cite this
MLA
Copy
Avdeev, I. D., et al. “Exciton Fine Structure in Lead Chalcogenide Quantum Dots: Valley Mixing and Crucial Role of Intervalley Electron–Hole Exchange.” Nano Letters, vol. 20, no. 12, Nov. 2020, pp. 8897-8902. https://doi.org/10.1021/acs.nanolett.0c03937.