Open Access
Journal of Physical Chemistry Letters, издание 9, том 17, страницы 5086-5091
Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment
2
CRISMAT, UMR 6508, CNRS-ENSICAEN, 6Bd Marechal Juin, Caen 14050, France
3
Department of Materials Science and NanoEngineering and The Smalley Institute for Nanoscale Science and Technology, Rice University, Houston, Texas 77005, United States
4
International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Ibaraki 3050044, Japan
5
School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
Тип публикации: Journal Article
Дата публикации: 2018-08-17
American Chemical Society (ACS)
Журнал:
Journal of Physical Chemistry Letters
Квартиль SCImago: Q1
Квартиль WOS: Q1
Impact factor: 5.7
ISSN: 19487185
Physical and Theoretical Chemistry
General Materials Science
Краткое описание
We report on experimental synthesis and theoretical studies of ultrasharp BN-nanocones. Using scanning and transmission electron microscopy, the cone-like morphology of synthesized products was confirmed. Theoretical analysis of the dipole moment nature in h-BN nanocones reveals that the moment has contributions from the polarity of B-N bonds and electronic flexoelectric effect associated with a curved h-BN lattice. The latter phenomenon is predicted on the basis of the extension of the theory of flexoelectric effects in the h-BN lattice through establishing universality of the linear dependence of flexoelectric dipole moments on local curvature in various nano- h-BN networks (nanotubes and fullerenes). Our study of the atomic structure response and its polarization under deformation of nanocones with different apex angles shows the advantageous properties of cones with the smallest angles.
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Kvashnin D. et al. Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment // Journal of Physical Chemistry Letters. 2018. Vol. 9. No. 17. pp. 5086-5091.
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Kvashnin D., Matveev A., Lebedev O., Yakobson B. I., Golberg D., Sorokin P. B., Shtansky D. V. Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment // Journal of Physical Chemistry Letters. 2018. Vol. 9. No. 17. pp. 5086-5091.
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TY - JOUR
DO - 10.1021/acs.jpclett.8b02122
UR - https://doi.org/10.1021/acs.jpclett.8b02122
TI - Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment
T2 - Journal of Physical Chemistry Letters
AU - Kvashnin, Dmitry
AU - Golberg, Dmitri
AU - Sorokin, Pavel B.
AU - Shtansky, Dmitry V.
AU - Matveev, A.T.
AU - Lebedev, Oleg
AU - Yakobson, Boris I.
PY - 2018
DA - 2018/08/17 00:00:00
PB - American Chemical Society (ACS)
SP - 5086-5091
IS - 17
VL - 9
SN - 1948-7185
ER -
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@article{2018_Kvashnin
author = {Dmitry Kvashnin and Dmitri Golberg and Pavel B. Sorokin and Dmitry V. Shtansky and A.T. Matveev and Oleg Lebedev and Boris I. Yakobson},
title = {Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment},
journal = {Journal of Physical Chemistry Letters},
year = {2018},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acs.jpclett.8b02122},
number = {17},
pages = {5086--5091},
doi = {10.1021/acs.jpclett.8b02122}
}
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Kvashnin, Dmitry, et al. “Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment.” Journal of Physical Chemistry Letters, vol. 9, no. 17, Aug. 2018, pp. 5086-5091. https://doi.org/10.1021/acs.jpclett.8b02122.