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Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment

Kvashnin D.G., Matveev A.T., Lebedev O.I., Yakobson B.I., Golberg D., Sorokin P.B., Shtansky D.V.
Тип документаJournal Article
Дата публикации2018-09-06
Название журналаJournal of Physical Chemistry Letters
ИздательAmerican Chemical Society
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ1
Импакт-фактор 20216.89
ISSN19487185
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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1. Kvashnin D.G. и др. Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment // The Journal of Physical Chemistry Letters. 2018. Т. 9. № 17. С. 5086–5091.
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TY - JOUR

DO - 10.1021/acs.jpclett.8b02122

UR - http://dx.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 - The Journal of Physical Chemistry Letters

AU - Kvashnin, D. G.

AU - Matveev, A. T.

AU - Lebedev, O. I.

AU - Yakobson, B. I.

AU - Golberg, D.

AU - Sorokin, P. B.

AU - Shtansky, D. V.

PY - 2018

DA - 2018/08/17

PB - American Chemical Society (ACS)

SP - 5086-5091

IS - 17

VL - 9

SN - 1948-7185

SN - 1948-7185

ER -

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@article{2018,

doi = {10.1021/acs.jpclett.8b02122},

url = {https://doi.org/10.1021%2Facs.jpclett.8b02122},

year = 2018,

month = {aug},

publisher = {American Chemical Society ({ACS})},

volume = {9},

number = {17},

pages = {5086--5091},

author = {D. G. Kvashnin and A. T. Matveev and O. I. Lebedev and B. I. Yakobson and D. Golberg and P. B. Sorokin and D. V. Shtansky},

title = {Ultrasharp h-{BN} Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment}

}

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Kvashnin, D. G. et al. “Ultrasharp h-BN Nanocones and the Origin of Their High Mechanical Stiffness and Large Dipole Moment.” The Journal of Physical Chemistry Letters 9.17 (2018): 5086–5091. Crossref. Web.