Zobrazeno 1 - 10
of 110
pro vyhledávání: '"N. G. Lebedev"'
Autor:
V. A. Babkin, D. S. Andreev, E. S. Titova, S. V. Chepurnov, R. O. Boldyrev, V. S. Belousova, A. I. Rakhimov, N. G. Lebedev
Publikováno v:
IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY. :35-39
For the first time, the geometric and electronic structure of graphene oxide was calculated within the framework of the Hoffman and Ress models by the quantum-chemical method MNDO. Optimized structures of this compound are obtained. The acidic streng
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98ed0fea1c18a5c45204ad8785be4bf5
https://doi.org/10.35211/1990-5297-2021-12-259-35-39
https://doi.org/10.35211/1990-5297-2021-12-259-35-39
Autor:
N. G. Lebedev, S. A. Sudorgin
Publikováno v:
Physics of the Solid State. 62:1928-1932
The thermoelectric characteristics of carbon nanotubes are studied theoretically. The behavior of the differential thermal EMF of single-layer carbon zigzag-type nanotubes is studied in an external longitudinal dc electric field. The dynamics of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7368f237401154b35383c0eb10935a99
https://doi.org/10.1134/s1063783420100327
https://doi.org/10.1134/s1063783420100327
Autor:
Igor Yermolenko, N. G. Lebedev
Publikováno v:
Mathematical Physics and Computer Simulation. :82-90
On the basis of the quantum model taking into account the Zeeman energy and the energy of the crystal field, dynamic equations of Landau — Lifshitz — Hilbert type for the magnetization of the deformed singledomain α-Fe crystal are obtained. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a035cd2bdcb3899aef56ed7e196db5e1
https://doi.org/10.15688/mpcm.jvolsu.2020.2.7
https://doi.org/10.15688/mpcm.jvolsu.2020.2.7
Publikováno v:
Mathematical Physics and Computer Simulation. :57-69
This review dedicated to the 40th anniversary of Volgograd State University contains brief information about the main achievements of a number of scientific schools and directions in various fields of physics working at University. Over many years of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::effd9eac8a816e76acbd3719fe7e5842
https://doi.org/10.15688/mpcm.jvolsu.2020.2.5
https://doi.org/10.15688/mpcm.jvolsu.2020.2.5
Publikováno v:
Physics of Metals and Metallography. 120:211-221
Research has been carried out on the dynamics of magnetization of a deformed ferromagnet in an external ac magnetic field. A microscopic model of a deformed magnetically soft ferromagnet has been suggested, based on the example of an α-iron crystal,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::304ede62c42374c26d5d99dcedb32eb8
https://doi.org/10.1134/s0031918x19030062
https://doi.org/10.1134/s0031918x19030062
Publikováno v:
Physics of Metals and Metallography. 119:452-461
A quantum model of a magnetically soft ferromagnet constructed based on a single domain of an α-Fe crystal magnetized to saturation and placed in an alternating magnetic field is suggested. Based on the method of an effective Hamiltonian, the model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a473c01ab6b22301661b16b0dd66f52
https://doi.org/10.1134/s0031918x18020059
https://doi.org/10.1134/s0031918x18020059
Publikováno v:
Journal of Magnetism and Magnetic Materials. 446:135-142
A quantum model of a single-domain magnetically soft ferromagnetic is proposed. The α-Fe crystal in a state of the saturation magnetization and a variable magnetic field is considered as a sample. The method of an effective Hamiltonian, including th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce4eb4ede6bd933e26f8d2e0a8facba4
https://doi.org/10.1016/j.jmmm.2017.08.071
https://doi.org/10.1016/j.jmmm.2017.08.071
Autor:
A. A. Belolipetskii, N. G. Lebedev
Publikováno v:
Russian Journal of Physical Chemistry B. 12:165-171
The dependence of the electronic energy characteristics of single-walled carbon nanotubes of the chair type (3, 3) and (4, 4) functionalized by the boundary hydrogen and fluorine atoms on the tube length was studied by the semiempirical MNDO quantum-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::278a8044e2908213848fdd2198bd3963
https://doi.org/10.1134/s1990793118010141
https://doi.org/10.1134/s1990793118010141
Autor:
S. A. Sudorgin, N. G. Lebedev
Publikováno v:
Russian Journal of Physical Chemistry B. 10:844-850
The transport characteristics of bilayer graphene nanoribbons with hydrogen adatoms in an external static electric field is studied. The adsorption of hydrogen atoms on the surface of bilayer graphene ribbons is considered within the single-impurity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38e6f7e046a95e683a1d69172c4eddaf
https://doi.org/10.1134/s1990793116050249
https://doi.org/10.1134/s1990793116050249
Publikováno v:
Physics of the Solid State. 58:1207-1212
A method of surface curvature of carbon nanotubes has been proposed for quantitative estimation of the longitudinal conductivity of nanotubes. A dispersion relation for the electron spectrum of single-walled carbon nanotubes has been obtained analyti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab0b6e9b39cbf4aa2715da7bc0697442
https://doi.org/10.1134/s1063783416060238
https://doi.org/10.1134/s1063783416060238