Zobrazeno 1 - 10
of 17
pro vyhledávání: '"V. I. Grishaev"'
Autor:
Igor Gospodarev, V. I. Grishaev, V. A. Sirenko, S. B. Feodosyev, E. V. Manzhelii, E. S. Syrkin
Publikováno v:
Low Temperature Physics. 46:187-194
The total electron densities of states for graphene nanoribbons with edges of different chirality, as well as the electron local densities of states for individual atoms in these nanoribbons, are calculated and analyzed. There are sharp resonance pea
Autor:
V. I. Grishaev, E. S. Syrkin, E. V. Manzhelii, Igor Gospodarev, Kseniia Minakova, S. B. Feodosyev
Publikováno v:
Scopus-Elsevier
Based on calculations conducted on a microscopic level, the phonon heat capacity of ultrathin graphene nanofilms such as bigraphene and trigraphene, and single-wall graphene nanotubes, is quantitatively described. The nature of the flexural stiffness
Peculiarities of the Electron-Phonon Interaction in Graphite Containing Metallic Intercalated Layers
Autor:
Alexander Feher, Igor Gospodarev, V. I. Grishaev, S. B. Feodosyev, K. V. Kravchenko, E. S. Syrkin, E. V. Manzhelii
Publikováno v:
Defect and Diffusion Forum. :75-81
The calculation of the local density of electronic states of graphene with vacancies, using the method of Jacobi matrix, was performed. It was shown that for atoms in the sublattice with a vacancy the local density of electronic states conserves the
Autor:
E. V. Manzheliĭ, Igor Gospodarev, S. B. Feodos’ev, V. I. Grishaev, E. S. Syrkin, Alexander Feher, K. V. Kravchenko
Publikováno v:
Low Temperature Physics. 35:679-686
It is shown that in graphite the spectral density of phonons polarized along the c axis has a V shaped feature similar to the so-called Dirac singularity characteristic of the electron density of states in graphene. The formation of quasilocal states
Autor:
V. I. Grishaev, I. K. Galetich, A. V. Eremenko, K. V. Kravchenko, V. A. Sirenko, S. B. Feodosyev, Igor Gospodarev
Publikováno v:
Superlattices and Microstructures. 45:564-575
A model of the niobium diselenide crystal lattice has been proposed. This model sufficiently describes the vibrational characteristics of both bulk samples and nanofilms with a thickness beyond one three-layered structural element. Calculation of the
Autor:
V. I. Grishaev, A. V. Kotlyar, S. B. Feodos’ev, E. S. Syrkin, Igor Gospodarev, E. V. Manzheliĭ, K. V. Kravchenko
Publikováno v:
Low Temperature Physics. 34:655-664
Low-frequency features of the phonon spectra of disordered solid solutions and heterogeneous crystalline structures are analyzed at the microscopic level. It is shown that boson-peak type excitations can arise in disordered solid solutions whose site
Autor:
A. M. Kosevich, E. S. Syrkin, Igor Gospodarev, V. I. Grishaev, V. O. Kruglov, E. V. Manzheliĭ, A. V. Kotlyar, S. B. Feodosyev
Publikováno v:
Journal of Experimental and Theoretical Physics. 105:4-11
The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concen
Autor:
S. B. Feodosyev, V. I. Grishaev, A. M. Kosevich, E. V. Manzhelii, V. O. Kruglov, Igor Gospodarev, E. S. Syrkin, O. V. Kotlyar
Publikováno v:
Scopus-Elsevier
The density of states g(w) of disordered solutions of solidified inert gases have been calculated using the Jacobian matrix method. The transformation of a discrete vibrational level into an impurity zone at a growing concentration of light impurity
Autor:
E. S. Syrkin, Igor Gospodarev, V. I. Grishaev, S. B. Feodosyev, A. M. Kosevich, O. V. Kotlyar
Publikováno v:
Journal of Low Temperature Physics. 139:665-674
Characteristics of the discrete vibration levels of substitution impurity are calculated for frequencies belong to gap between acoustic and optical zones (deuterium in PdH) as well as for the areas outside the phonon spectra (hydrogen in PdD). Data o