Open Access
Nanomaterials, volume 12, issue 21, pages 3728
Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers
1
Faculty of Physics, University of Regensburg, 93040 Regensburg, Germany
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2
4
Department of Electrical Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
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Publication type: Journal Article
Publication date: 2022-10-24
General Chemical Engineering
General Materials Science
Abstract
Charged excitons or trions are essential for optical spectra in low-dimensional doped monolayers (ML) of transitional metal dichalcogenides (TMDC). Using a direct diagonalization of the three-body Hamiltonian, we calculate the low-lying trion states in four types of TMDC MLs as a function of doping and dielectric environment. We show that the fine structure of the trion is the result of the interplay between the spin-valley fine structure of the single-particle bands and the exchange interaction. We demonstrate that by variations of the doping and dielectric environment, the fine structure of the trion energy can be tuned, leading to anticrossing of the bright and dark states, with substantial implications for the optical spectra of the TMDC ML.
Citations by journals
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Physical Review B
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Physical Review B
1 publication, 100%
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Citations by publishers
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1
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American Physical Society (APS)
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American Physical Society (APS)
1 publication, 100%
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Zhumagulov Y. V. et al. Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers // Nanomaterials. 2022. Vol. 12. No. 21. p. 3728.
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Zhumagulov Y. V., Vagov A., Gulevich D. R., Perebeinos V. Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers // Nanomaterials. 2022. Vol. 12. No. 21. p. 3728.
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TY - JOUR
DO - 10.3390/nano12213728
UR - https://doi.org/10.3390%2Fnano12213728
TI - Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers
T2 - Nanomaterials
AU - Zhumagulov, Yaroslav V.
AU - Vagov, A.
AU - Gulevich, D. R.
AU - Perebeinos, Vasili
PY - 2022
DA - 2022/10/24 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 3728
IS - 21
VL - 12
SN - 2079-4991
ER -
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@article{2022_Zhumagulov,
author = {Yaroslav V. Zhumagulov and A. Vagov and D. R. Gulevich and Vasili Perebeinos},
title = {Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers},
journal = {Nanomaterials},
year = {2022},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {oct},
url = {https://doi.org/10.3390%2Fnano12213728},
number = {21},
pages = {3728},
doi = {10.3390/nano12213728}
}
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Zhumagulov, Yaroslav V., et al. “Electrostatic and Environmental Control of the Trion Fine Structure in Transition Metal Dichalcogenide Monolayers.” Nanomaterials, vol. 12, no. 21, Oct. 2022, p. 3728. https://doi.org/10.3390%2Fnano12213728.
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