Nano Letters

, том 21 , издание 19 , страницы 8481-8487

Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals.

P. S. Grigoryev ¹

V. V. Belykh ^{2, 3}

D G Yakovlev ^{2, 3, 4}

Emmanuel Lhuillier ⁵

M. Bayer ^{2, 4}

Скрыть аффилиации авторов Показать аффилиации авторов: 5 аффилиаций

Spin Optics Laboratory, St. Petersburg State University, 199034 St. Petersburg, Russia |

Experimentelle Physik 2, Technische Universität Dortmund, 44221 Dortmund, Germany |

P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 119991 Moscow, Russia |

⁴

Ioffe Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia |

⁵

Sorbonne Université, CNRS, Institut des NanoSciences de Paris, INSP, 75005 Paris, France

Университет Сорбонна

Парижский институт нанонаук

Тип публикации: Journal Article

Дата публикации: 2021-09-30

American Chemical Society (ACS)

Nano Letters

scimago Q1

wos Q1

БС1

SJR: 2.967

CiteScore: 14.9

Impact factor: 9.1

ISSN: 15306984, 15306992

DOI: 10.1021/acs.nanolett.1c03292

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PubMed ID: 34591496

General Chemistry

Condensed Matter Physics

General Materials Science

Mechanical Engineering

Bioengineering

Краткое описание

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.

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Grigoryev P. S. et al. Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals. // Nano Letters. 2021. Vol. 21. No. 19. pp. 8481-8487.

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Grigoryev P. S., Belykh V., Yakovlev D. G., Lhuillier E., Bayer M. Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals. // Nano Letters. 2021. Vol. 21. No. 19. pp. 8481-8487.

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TY - JOUR

DO - 10.1021/acs.nanolett.1c03292

UR - https://doi.org/10.1021/acs.nanolett.1c03292

TI - Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals.

T2 - Nano Letters

AU - Grigoryev, P. S.

AU - Belykh, V. V.

AU - Yakovlev, D G

AU - Lhuillier, Emmanuel

AU - Bayer, M.

PY - 2021

DA - 2021/09/30

PB - American Chemical Society (ACS)

SP - 8481-8487

IS - 19

VL - 21

PMID - 34591496

SN - 1530-6984

SN - 1530-6992

ER -

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@article{2021_Grigoryev,

author = {P. S. Grigoryev and V. V. Belykh and D G Yakovlev and Emmanuel Lhuillier and M. Bayer},

title = {Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals.},

journal = {Nano Letters},

year = {2021},

volume = {21},

publisher = {American Chemical Society (ACS)},

month = {sep},

url = {https://doi.org/10.1021/acs.nanolett.1c03292},

number = {19},

pages = {8481--8487},

doi = {10.1021/acs.nanolett.1c03292}

}

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Grigoryev, P. S., et al. “Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals..” Nano Letters, vol. 21, no. 19, Sep. 2021, pp. 8481-8487. https://doi.org/10.1021/acs.nanolett.1c03292.

Издатель

American Chemical Society (ACS)

Журнал

Nano Letters

scimago Q1

wos Q1

БС1

SJR

2.967

CiteScore

14.9

Impact factor

9.1

ISSN

15306984 (Print)

15306992 (Electronic)

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