Zobrazeno 1 - 10
of 19
pro vyhledávání: '"S V Ratkevich"'
Publikováno v:
Pribory i Metody Izmerenij, Vol 10, Iss 1, Pp 61-68 (2019)
Graphene-based nanostructures are the promising materials for applications as electron emitters.The aim of the work is to study the field electron emission from the edge of a single graphene plane.In the semi-classical approximation, a model of field
Externí odkaz:
https://doaj.org/article/dff01361046141acabbcf655a6595b54
Model of Electromagnetic Emitter Based on a Stream of Single Electrons inside Curved Carbon Nanotube
Publikováno v:
Pribory i Metody Izmerenij, Vol 9, Iss 4, Pp 288-295 (2018)
The problems of elaboration and application of microand nanometer sized antennas for the generation and reception of electromagnetic radiation is still relevant in both fundamental and applied aspects. With decreasing antenna size, the frequency of e
Externí odkaz:
https://doaj.org/article/1b387f6df5694cc6bc8bc7d41484fdc5
Autor:
Nikolai A. Poklonski, Nguyen N. Hieu, A.I. Siahlo, Yu. E. Lozovik, Sergey A. Vyrko, A. T. Vlassov, S. V. Ratkevich
Publikováno v:
Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series. 56:411-418
The work was supported by the Belarusian National Research Program “Convergence-2020” and the Belarusian Republican Foundation for Fundamental Research (grant no. Ф20Р-301). Yurii E. Lozovik acknowledge support by the Russian Foundation of Basi
Autor:
Yu. E. Lozovik, A.I. Siahlo, A. T. Vlassov, Nguyen N. Hieu, S. V. Ratkevich, Sergey A. Vyrko, Nikolai A. Poklonski
Publikováno v:
Semiconductors. 54:1678-1681
Using the semi-empirical quantum chemical PM3 method the energies of carbon nanoscrolls formed from flat zigzag graphene nanoribbons 46zGNR and 70zGNR are calculated. For this purpose a simple algorithm to define the Cartesian coordinates of the atom
Publikováno v:
Semiconductors. 52:1886-1889
The structure of a new metamaterial with negative permittivity and permeability that is made of periodically positioned graphene/boron nitride nanoscrolls and carbon nanotubes is proposed. The parameters of the metamaterial structure with a negative
Autor:
Dimas G. de Oteyza, Alexander S. Sinitsa, Nikolai A. Poklonski, Andrey A. Knizhnik, S. V. Ratkevich, Irina V. Lebedeva, Yulia G. Polynskaya, Yurii E. Lozovik, Andrey M. Popov
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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Molecular dynamics simulations show that a graphene nanoribbon with alternating regions which are one and three hexagons wide can transform into a hybrid 1D nanoobject with alternating double chains and polycyclic regions under electron irradiation i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::611ed7ba07aa4e8b3b68315e7aae5b0f
Publikováno v:
International Journal of Nanoscience
Calculations of chemical reactions between C_20, C_60, hydrogen and water molecules are carried out using the PM3 method. Reactions with a hydrogen release at room temperature and atmospheric pressure are identified by the Gibbs energy change. The hy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::747b788b74a4eaf9428292b8d5d74ea4
http://elib.bsu.by/handle/123456789/236919
http://elib.bsu.by/handle/123456789/236919
Autor:
A.I. Siahlo, Yurii E. Lozovik, Nikolai A. Poklonski, Andrey M. Popov, S. V. Ratkevich, Sergey A. Vyrko
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 84:348-353
The scheme and operational principles of the nanoelectromechanical memory cell based on the bending of a multi-layer graphene membrane by the electrostatic force are proposed. An analysis of the memory cell total energy as a function of the memory ce
Autor:
Yurii E. Lozovik, Andrey M. Popov, Sergey A. Vyrko, Andrey A. Knizhnik, Irina V. Lebedeva, S. V. Ratkevich, Nikolai A. Poklonski, A.I. Siahlo
Publikováno v:
Computational Materials Science. 109:240-247
The telescopic contact between graphene layers with a dielectric spacer is considered as a new type of graphene-based nanoelectronic devices. The tunneling current through the contacts with and without an argon spacer is calculated as a function of t
Publikováno v:
Physics, Chemistry and Application of Nanostructures: Reviews and Short Notes to Nanomeeting-2017
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99902e59d1ca3a6148215c7ce97341e2
https://doi.org/10.1142/9789813224537_0015
https://doi.org/10.1142/9789813224537_0015