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Charge carrier complexes in monolayer semiconductors

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Charge carrier complexes in monolayer semiconductors. / Mostaani, Elaheh; Hunt, Ryan J; Thomas, David et al.
In: Physical Review B: Condensed Matter and Materials Physics, Vol. 108, No. 3, 035420, 26.07.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mostaani, E, Hunt, RJ, Thomas, D, Szyniszewski, M, Montblanch, A, Barbone, M, Atature, M, Drummond, N & Ferrari, A 2023, 'Charge carrier complexes in monolayer semiconductors', Physical Review B: Condensed Matter and Materials Physics, vol. 108, no. 3, 035420. https://doi.org/10.1103/PhysRevB.108.035420

APA

Mostaani, E., Hunt, R. J., Thomas, D., Szyniszewski, M., Montblanch, A., Barbone, M., Atature, M., Drummond, N., & Ferrari, A. (2023). Charge carrier complexes in monolayer semiconductors. Physical Review B: Condensed Matter and Materials Physics, 108(3), Article 035420. https://doi.org/10.1103/PhysRevB.108.035420

Vancouver

Mostaani E, Hunt RJ, Thomas D, Szyniszewski M, Montblanch A, Barbone M et al. Charge carrier complexes in monolayer semiconductors. Physical Review B: Condensed Matter and Materials Physics. 2023 Jul 26;108(3):035420. doi: 10.1103/PhysRevB.108.035420

Author

Mostaani, Elaheh ; Hunt, Ryan J ; Thomas, David et al. / Charge carrier complexes in monolayer semiconductors. In: Physical Review B: Condensed Matter and Materials Physics. 2023 ; Vol. 108, No. 3.

Bibtex

@article{27e7f904c24d4b77a79e10dfa587f7cc,
title = "Charge carrier complexes in monolayer semiconductors",
abstract = "The photoluminescence (PL) spectra of monolayer (1L) semiconductors feature peaks ascribed to different charge-carrier complexes. We perform diffusion quantum Monte Carlo simulations of the binding energies of these complexes and examine their response to electric and magnetic fields. We focus on quintons (charged biexcitons), since they are the largest free charge-carrier complexes in undoped and low doping transition-metal dichalcogenides (TMDs). We examine the accuracy of the Rytova-Keldysh interaction potential between charges by comparing the binding energies (BEs) of charge-carrier complexes in 1L-TMDs with results obtained using ab initio interaction potentials. Magnetic fields 8T change BEs by ∼0.2meVT−1, in agreement with experiments, with BE variations of different complexes being very similar. Our results will help identify charge complexes in the PL spectra of 1L semiconductors.",
author = "Elaheh Mostaani and Hunt, {Ryan J} and David Thomas and Marcin Szyniszewski and A. Montblanch and Matteo Barbone and Mete Atature and Neil Drummond and Andrea Ferrari",
year = "2023",
month = jul,
day = "26",
doi = "10.1103/PhysRevB.108.035420",
language = "English",
volume = "108",
journal = "Physical Review B: Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "3",

}

RIS

TY - JOUR

T1 - Charge carrier complexes in monolayer semiconductors

AU - Mostaani, Elaheh

AU - Hunt, Ryan J

AU - Thomas, David

AU - Szyniszewski, Marcin

AU - Montblanch, A.

AU - Barbone, Matteo

AU - Atature, Mete

AU - Drummond, Neil

AU - Ferrari, Andrea

PY - 2023/7/26

Y1 - 2023/7/26

N2 - The photoluminescence (PL) spectra of monolayer (1L) semiconductors feature peaks ascribed to different charge-carrier complexes. We perform diffusion quantum Monte Carlo simulations of the binding energies of these complexes and examine their response to electric and magnetic fields. We focus on quintons (charged biexcitons), since they are the largest free charge-carrier complexes in undoped and low doping transition-metal dichalcogenides (TMDs). We examine the accuracy of the Rytova-Keldysh interaction potential between charges by comparing the binding energies (BEs) of charge-carrier complexes in 1L-TMDs with results obtained using ab initio interaction potentials. Magnetic fields 8T change BEs by ∼0.2meVT−1, in agreement with experiments, with BE variations of different complexes being very similar. Our results will help identify charge complexes in the PL spectra of 1L semiconductors.

AB - The photoluminescence (PL) spectra of monolayer (1L) semiconductors feature peaks ascribed to different charge-carrier complexes. We perform diffusion quantum Monte Carlo simulations of the binding energies of these complexes and examine their response to electric and magnetic fields. We focus on quintons (charged biexcitons), since they are the largest free charge-carrier complexes in undoped and low doping transition-metal dichalcogenides (TMDs). We examine the accuracy of the Rytova-Keldysh interaction potential between charges by comparing the binding energies (BEs) of charge-carrier complexes in 1L-TMDs with results obtained using ab initio interaction potentials. Magnetic fields 8T change BEs by ∼0.2meVT−1, in agreement with experiments, with BE variations of different complexes being very similar. Our results will help identify charge complexes in the PL spectra of 1L semiconductors.

U2 - 10.1103/PhysRevB.108.035420

DO - 10.1103/PhysRevB.108.035420

M3 - Journal article

VL - 108

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

SN - 1098-0121

IS - 3

M1 - 035420

ER -