Nano Letters, volume 22, issue 5, pages 2070-2076
3D Hypersound Microscopy of van der Waals Heterostructures
Klokov Andrey Yu
1
,
Frolov Nikolay Yu
1
,
Sharkov Andrey I
1
,
Nikolaev S. N.
1
,
Chentsov Semen
1
,
Chentsov Semen I
1
,
Pugachev Mikhail V
1, 2
,
Duleba Aliaksandr I
1
,
Shupletsov Alexey V
1
,
Krivobok V. S.
1
,
Kuntsevich A. Yu.
1, 3
Publication type: Journal Article
Publication date: 2022-02-28
Journal:
Nano Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 10.8
ISSN: 15306984, 15306992
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
The mechanical properties of the layered crystals in the few layer limit are largely unexplored. We employ a picosecond ultrasonic technique to access the corresponding mechanical parameters. Temporal variation of the reflection coefficient of the Al film that covers hBN/WSe2/hBN (where hBN is hexagonal boron nitride) heterostructures on a sapphire substrate after the femtosecond laser pulse excitation is carefully measured using an interferometric technique with spatial resolution. The laser pulse generates a broadband sound wave packet propagating perpendicularly to the Al plane and partially reflecting from the heterostructural interfaces. The demonstrated technique allows one to resolve a WSe2 monolayer embedded in hBN. We apply a multilayered model of the optoacoustical response to evaluate the mechanical parameters, in particular, the rigidity of the interfaces. Mapping of the Fourier spectra of the response visualizes different composition regions and may serve as an acoustic tomography tool. Almost zero phonon dissipation below 150 GHz demonstrates the van der Waals heterostructures' potential for nanoacoustical applications.
Citations by journals
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1
2
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Photoacoustics
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Photoacoustics
2 publications, 25%
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Nano Letters
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Nano Letters
2 publications, 25%
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Nanomaterials
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Nanomaterials
1 publication, 12.5%
|
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FlatChem
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FlatChem
1 publication, 12.5%
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ACS Photonics
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ACS Photonics
1 publication, 12.5%
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Journal of Physical Chemistry C
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Journal of Physical Chemistry C
1 publication, 12.5%
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|
1
2
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Citations by publishers
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1
2
3
4
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American Chemical Society (ACS)
|
American Chemical Society (ACS)
4 publications, 50%
|
|
Elsevier
|
Elsevier
3 publications, 37.5%
|
|
Multidisciplinary Digital Publishing Institute (MDPI)
|
Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 12.5%
|
|
1
2
3
4
|
- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Klokov A. Yu. et al. 3D Hypersound Microscopy of van der Waals Heterostructures // Nano Letters. 2022. Vol. 22. No. 5. pp. 2070-2076.
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Klokov A. Yu., Frolov N. Yu., Sharkov A. I., Nikolaev S. N., Chentsov S., Chentsov S. I., Pugachev M. V., Duleba A. I., Shupletsov A. V., Krivobok V. S., Kuntsevich A. Y. 3D Hypersound Microscopy of van der Waals Heterostructures // Nano Letters. 2022. Vol. 22. No. 5. pp. 2070-2076.
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TY - JOUR
DO - 10.1021/acs.nanolett.2c00003
UR - https://doi.org/10.1021%2Facs.nanolett.2c00003
TI - 3D Hypersound Microscopy of van der Waals Heterostructures
T2 - Nano Letters
AU - Klokov, Andrey Yu
AU - Frolov, Nikolay Yu
AU - Sharkov, Andrey I
AU - Chentsov, Semen I
AU - Pugachev, Mikhail V
AU - Duleba, Aliaksandr I
AU - Shupletsov, Alexey V
AU - Kuntsevich, A. Yu.
AU - Nikolaev, S. N.
AU - Chentsov, Semen
AU - Krivobok, V. S.
PY - 2022
DA - 2022/02/28 00:00:00
PB - American Chemical Society (ACS)
SP - 2070-2076
IS - 5
VL - 22
SN - 1530-6984
SN - 1530-6992
ER -
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@article{2022_Klokov,
author = {Andrey Yu Klokov and Nikolay Yu Frolov and Andrey I Sharkov and Semen I Chentsov and Mikhail V Pugachev and Aliaksandr I Duleba and Alexey V Shupletsov and A. Yu. Kuntsevich and S. N. Nikolaev and Semen Chentsov and V. S. Krivobok},
title = {3D Hypersound Microscopy of van der Waals Heterostructures},
journal = {Nano Letters},
year = {2022},
volume = {22},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021%2Facs.nanolett.2c00003},
number = {5},
pages = {2070--2076},
doi = {10.1021/acs.nanolett.2c00003}
}
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Klokov, Andrey Yu., et al. “3D Hypersound Microscopy of van der Waals Heterostructures.” Nano Letters, vol. 22, no. 5, Feb. 2022, pp. 2070-2076. https://doi.org/10.1021%2Facs.nanolett.2c00003.
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