Coherent Spin Dynamics of Electrons and Holes in CsPbBr3 Colloidal Nanocrystals.
Publication type: Journal Article
Publication date: 2021-09-30
scimago Q1
wos Q1
SJR: 2.967
CiteScore: 14.9
Impact factor: 9.1
ISSN: 15306984, 15306992
PubMed ID:
34591496
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
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 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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32
Total citations:
32
Citations from 2024:
18
(56.25%)
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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.
Cite this
RIS
Copy
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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BibTex (up to 50 authors)
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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}
}
Cite this
MLA
Copy
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.