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Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals. / Grigoryev, Philipp S.; Belykh, Vasilii V.; Yakovlev, Dmitri R.; Lhuillier, Emmanuel; Bayer, Manfred.

в: Nano Letters, Том 21, № 19, 30.09.2021, стр. 8481-8487.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Grigoryev, PS, Belykh, VV, Yakovlev, DR, Lhuillier, E & Bayer, M 2021, 'Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals', Nano Letters, Том. 21, № 19, стр. 8481-8487. https://doi.org/10.1021/acs.nanolett.1c03292

APA

Grigoryev, P. S., Belykh, V. V., Yakovlev, D. R., Lhuillier, E., & Bayer, M. (2021). Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals. Nano Letters, 21(19), 8481-8487. https://doi.org/10.1021/acs.nanolett.1c03292

Vancouver

Grigoryev PS, Belykh VV, Yakovlev DR, Lhuillier E, Bayer M. Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals. Nano Letters. 2021 Сент. 30;21(19):8481-8487. https://doi.org/10.1021/acs.nanolett.1c03292

Author

Grigoryev, Philipp S. ; Belykh, Vasilii V. ; Yakovlev, Dmitri R. ; Lhuillier, Emmanuel ; Bayer, Manfred. / Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals. в: Nano Letters. 2021 ; Том 21, № 19. стр. 8481-8487.

BibTeX

@article{1de6d88bf45f4780b747b640a090070a,
title = "Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals",
abstract = "The spin dynamics in CsPbBr3 lead halide perovskite nanocrystals are studied by picosecond pump-probe Faraday rotation in an external magnetic field. Coherent Larmor precession of electrons and holes with spin dephasing times of ∼600 ps is detected in a transversal magnetic field. The longitudinal spin relaxation time in weak magnetic fields reaches 80 ns at a temperature of 5 K. In this regime, the carrier spin dynamics is governed by nuclear spin fluctuations characterized by an effective hyperfine field strength of 25 mT. The Land{\'e} factors determining the carrier Zeeman splittings are ge = +1.73 for electrons and gh = +0.83 for holes. A comparison with a CsPbBr3 polycrystalline film and bulk single crystals evidences that the spatial confinement of electrons and holes in the nanocrystals only slightly affects their g factors and spin dynamics.",
keywords = "coherent spin dynamics, CsPbBr, electron and hole g-factors, Perovskite nanocrystals, pump-probe time-resolved Faraday rotation, ROOM-TEMPERATURE, CsPbBr3, EMISSION, PEROVSKITE NANOCRYSTALS, EXCITONS",
author = "Grigoryev, {Philipp S.} and Belykh, {Vasilii V.} and Yakovlev, {Dmitri R.} and Emmanuel Lhuillier and Manfred Bayer",
note = "Publisher Copyright: {\textcopyright} 2021 American Chemical Society.",
year = "2021",
month = sep,
day = "30",
doi = "10.1021/acs.nanolett.1c03292",
language = "English",
volume = "21",
pages = "8481--8487",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "American Chemical Society",
number = "19",

}

RIS

TY - JOUR

T1 - Coherent Spin Dynamics of Electrons and Holes in CsPbBr3Colloidal Nanocrystals

AU - Grigoryev, Philipp S.

AU - Belykh, Vasilii V.

AU - Yakovlev, Dmitri R.

AU - Lhuillier, Emmanuel

AU - Bayer, Manfred

N1 - Publisher Copyright: © 2021 American Chemical Society.

PY - 2021/9/30

Y1 - 2021/9/30

N2 - The spin dynamics in CsPbBr3 lead halide perovskite nanocrystals are studied by picosecond pump-probe Faraday rotation in an external magnetic field. Coherent Larmor precession of electrons and holes with spin dephasing times of ∼600 ps is detected in a transversal magnetic field. The longitudinal spin relaxation time in weak magnetic fields reaches 80 ns at a temperature of 5 K. In this regime, the carrier spin dynamics is governed by nuclear spin fluctuations characterized by an effective hyperfine field strength of 25 mT. The Landé factors determining the carrier Zeeman splittings are ge = +1.73 for electrons and gh = +0.83 for holes. A comparison with a CsPbBr3 polycrystalline film and bulk single crystals evidences that the spatial confinement of electrons and holes in the nanocrystals only slightly affects their g factors and spin dynamics.

AB - The spin dynamics in CsPbBr3 lead halide perovskite nanocrystals are studied by picosecond pump-probe Faraday rotation in an external magnetic field. Coherent Larmor precession of electrons and holes with spin dephasing times of ∼600 ps is detected in a transversal magnetic field. The longitudinal spin relaxation time in weak magnetic fields reaches 80 ns at a temperature of 5 K. In this regime, the carrier spin dynamics is governed by nuclear spin fluctuations characterized by an effective hyperfine field strength of 25 mT. The Landé factors determining the carrier Zeeman splittings are ge = +1.73 for electrons and gh = +0.83 for holes. A comparison with a CsPbBr3 polycrystalline film and bulk single crystals evidences that the spatial confinement of electrons and holes in the nanocrystals only slightly affects their g factors and spin dynamics.

KW - coherent spin dynamics

KW - CsPbBr

KW - electron and hole g-factors

KW - Perovskite nanocrystals

KW - pump-probe time-resolved Faraday rotation

KW - ROOM-TEMPERATURE

KW - CsPbBr3

KW - EMISSION

KW - PEROVSKITE NANOCRYSTALS

KW - EXCITONS

UR - http://www.scopus.com/inward/record.url?scp=85117129978&partnerID=8YFLogxK

U2 - 10.1021/acs.nanolett.1c03292

DO - 10.1021/acs.nanolett.1c03292

M3 - Article

AN - SCOPUS:85117129978

VL - 21

SP - 8481

EP - 8487

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 19

ER -

ID: 87929578